Settling the Complexity of Computing Two-Player Nash Equilibria ∗ (2009)
Xi Chen, Xiaotie Deng, Shang-hua Teng
We prove that Bimatrix, the problem of finding a Nash equilibrium in a two-player game, is complete for the complexity class PPAD (Polynomial Parity Argument, Directed version) introduced by...
Crossover of Three-Dimensional Topological Insulator of Bi2Se3 to the Two-Dimensional Limit (2009)
Zhang, Yi, He, Ke, Chang, Cui-Zu, Song, Can-Li, Wang, Lili, Chen, Xi, ...
Bi2Se3 is theoretically predicted1 and experimentally observed2,3 to be a three dimensional topological insulator. For possible applications, it is important to understand the electronic structure of...
A Unified Mixed Effects Model for Gene Set Analysis of Time Course Microarray Experiments (2009)
Wang, Lily, Chen, Xi, Wolfinger, Russell D, Franklin, Jeffrey L, Coffey, Robert J, Zhang, Bing
Methods for gene set analysis test for coordinated changes of a group of genes involved in the same biological process or molecular pathway. Higher statistical power is gained for gene set analysis...
A Unified Mixed Effects Model for Gene Set Analysis of Time Course Microarray Experiments (2009)
Wang, Lily, Chen, Xi, Wolfinger, Russell D, Franklin, Jeffrey L, Coffey, Robert J, Zhang, Bing
Methods for gene set analysis test for coordinated changes of a group of genes involved in the same biological process or molecular pathway. Higher statistical power is gained for gene set analysis...
A Unified Mixed Effects Model for Gene Set Analysis of Time Course Microarray Experiments (2009)
Wang, Lily, Chen, Xi, Wolfinger, Russell D, Franklin, Jeffrey L, Coffey, Robert J, Zhang, Bing
Methods for gene set analysis test for coordinated changes of a group of genes involved in the same biological process or molecular pathway. Higher statistical power is gained for gene set analysis...
A Unified Mixed Effects Model for Gene Set Analysis of Time Course Microarray Experiments (2009)
Wang, Lily, Chen, Xi, Wolfinger, Russell D, Franklin, Jeffrey L, Coffey, Robert J, Zhang, Bing
Methods for gene set analysis test for coordinated changes of a group of genes involved in the same biological process or molecular pathway. Higher statistical power is gained for gene set analysis...
Stability Study of the TCP-RED System Using Detrended Fluctuation Analysis (2009)
Xi Chen, Siu-chung Wong, Chi K. Tse, Ljiljana Trajković
Abstract — It has been observed that the TCP-RED system may exhibit instability and oscillatory behavior. Control methods proposed in the past have been based on the analytical models that rely on...
Stability Analysis of TCP/RED Communication Algorithms (2009)
Ljiljana Trajković, Xi Chen, Siu-chung Wong, Chi K. Tse, Alfredo Marciello, Mario Di Bernardo, ...
TCP/RED congestion control algorithms: an overview Discrete-time dynamical model of TCP Reno with RED Discontinuity-induced bifurcations in TCP/RED Stability analysis of RED gateway with multiple TCP...
Stability Study of the TCP-RED System Using Detrended Fluctuation Analysis (2009)
Xi Chen, Siu-chung Wong, Chi K. Tse, Ljiljana Trajković
Abstract — It has been observed that the TCP-RED system may exhibit instability and oscillatory behavior. Control methods proposed in the past have been based on the analytical models that rely on...
Graph Homomorphisms with Complex Values: A Dichotomy Theorem (2009)
Jin-yi Cai, Xi Chen, Pinyan Lu
Graph homomorphism problem has been studied intensively. Given an m × m symmetric matrix A, the graph homomorphism function is defined as ZA(G) = Aξ(u),ξ(v), ξ:V →[m] (u,v)∈E where G = (V, E)...
Frictionless dynamics of Bose-Einstein condensates under fast trap variations (2009)
Muga, J. G., Chen, Xi, Ruschhaupt, A., Guery-Odelin, D.
A method is proposed to design the time dependence of the trap frequency and achieve in a short time an adiabatic-like (frictionless) evolution of Bose-Einstein condensates governed by the...
Fast optimal frictionless atom cooling in harmonic traps (2009)
Chen, Xi, Ruschhaupt, A., Schmidt, S., Del Campo, A., Guery-Odelin, D., Muga, J. G.
A method is proposed to cool down atoms in a harmonic trap without phase-space compression as in a perfectly slow adiabatic expansion, i.e., keeping the populations of the instantaneous initial and...
Zhang, Tong, Cheng, Peng, Chen, Xi, Jia, Jin-Feng, Ma, Xucun, He, Ke, ...
We report direct imaging of standing waves of the nontrivial surface states of topological insulator Bi$_2$Te$_3$ by using a low temperature scanning tunneling microscope. The interference fringes...
Chen, Xi, Wang, Li-Gang, Li, Chun-Fang
Motivated by the realization of the Dirac point (DP) with a double-cone structure for optical field in the negative-zero-positive index metamaterial (NZPIM), the reflection, transmission, and...
Atom cooling by non-adiabatic expansion (2009)
Chen, Xi, Muga, J. G., Del Campo, A., Ruschhaupt, A.
Motivated by the recent discovery that a reflecting wall moving with a square-root in time trajectory behaves as a universal stopper of classical particles regardless of their initial velocities, we...
It is a common belief that computing a market equilibrium in Fisher's spending model is easier than computing a market equilibrium in Arrow-Debreu's exchange model. This belief is built on the fact...
Identification and characterization of novel amphioxus microRNAs by Solexa sequencing (2009)
Chen, Xi, Li, Qibin, Wang, Jin, Guo, Xing, Jiang, Xiangrui, Ren, Zhiji, ...
Abstract Background microRNAs (miRNAs) are endogenous small non-coding RNAs that regulate gene expression at the post-transcriptional level. While the number of known human and murine miRNAs is...
Design of electron wave filters in monolayer graphene by tunable transmission gap (2009)
We have investigated the transmission in monolayer graphene barrier at nonzero angle of incidence. Taking the influence of parallel wave vector into account, the transmission as the function of...
Chen, Xi, Li, Chun-Fang, Wei, Rong-Rong, Zhang, Yan
We have investigated that the Goos-H\"anchen (GH) shifts in frustrated total internal reflection (FTIR) studied with wave packet propagation. In the first-order approximation of the transmission...
Chen, Xi, Dai, Decheng, Du, Ye, Teng, Shang-Hua
We prove that the problem of computing an Arrow-Debreu market equilibrium is PPAD-complete even when all traders use additively separable, piecewise-linear and concave utility functions. In fact, our...
Geography: Graphics and Economics (2009)
Past studies of the relationships between economic activity and geography have been hampered by limited spatial data on economic activity. This study presents revised data on global economic...
Geography: Graphics and Economics (2009)
Past studies of the relationships between economic activity and geography have been hampered by limited spatial data on economic activity. This study presents revised data on global economic...
Geography: Graphics and Economics (2009)
Past studies of the relationships between economic activity and geography have been hampered by limited spatial data on economic activity. This study presents revised data on global economic...
Geography: Graphics and Economics (2009)
Past studies of the relationships between economic activity and geography have been hampered by limited spatial data on economic activity. This study presents revised data on global economic...
Voltage-tunable lateral shifts of ballistic electrons in semiconductor quantum slabs (2009)
Chen, Xi, Ban, Yue, Li, Chun-Fang
It is investigated that the lateral shifts of the ballistic electrons transmitted through a semiconductor quantum slabs can be negative as well as positive, which are analogous to the anomalous...
Graph Homomorphisms with Complex Values: A Dichotomy Theorem (2009)
Cai, Jin-Yi, Chen, Xi, Lu, Pinyan
Graph homomorphism problem has been studied intensively. Given an m-by-m symmetric matrix A, the graph homomorphism function is defined as Z_A(G) = \sum_{f:V->[m]} \prod_{(u,v)\in E} A_{f(u),f(v)},...
Class I methanol masers: Masers with EGOs (2009)
Chen, Xi, Ellingsen, Simon, Shen, Zhi-Qiang
We have compared the results of a number of published class I methanol maser surveys with the catalogue of high-mass outflow candidates identified from the GLIMPSE survey (known as extended green...
This paper examines whether and how biotech labelling has had an impact on Chinese consumers’ vegetable oil purchasing decisions. The authors used sales data from Nanjing and household survey data...
Chapter 1 SIMULATION TRACE VERIFICATION FOR QUANTITATIVE CONSTRAINTS (2009)
Xi Chen, Harry Hsieh, Felice Balarin, Yosinori Watanabe
Abstract: System design methodology is poised to become the next big enabler for highly sophisticated electronic products. Design verification continues to be a major challenge and simulation will...
Assertion-Based Design Exploration of DVS in Network Processor Architectures (2009)
Jia Yu, Wei Wu, Xi Chen, Harry Hsieh, Jun Yang
With the scaling of technology and higher requirements on performance and functionality, power dissipation is becoming one of the major design considerations in the development of network processors....
ZnO/MgO distributed Bragg reflectors (2009)
Bingzhi Huo, Lizhong Hu, Heqiu Zhang, Ziwen Zhao, Qiang Fu, Xi Chen
ZnO/MgO distributed Bragg reflectors (DBRs) are grown by pulsed laser deposition. DBR samples grown at the same temperature and the same pressure show obvious reflections in transmission spectra. If...
Thesis (Ph.D, Physics, Engineering Physics and Astronomy) -- Queen's University, 2009-05-26 02:20:04.652
Fabrication of a Colorimetric Electrochemiluminescence Sensor (2009)
Lin, Zhi-jie, Chen, Xiao-mei, Jia, Tian-tian, Wang, Xu-dong, Xie, Zhao-xiong, Koyama, Munetaka, ...
Xiao, Ben-Ze, Chen, Xi, Xiang, Cheng-Bin, Tang, Ning, Zhang, Qi-Fa, Xiong, Li-Zhong
Many stress responsive genes have been reported with an effect on improving stress resistance in model plants under greenhouse conditions. Towards identification of genes for drought resistance...
Analytical modeling of modern microprocessor performance (2009)
As the number of transistors integrated on a chip continues to increase, a growing challenge is accurately modeling performance in the early stages of processor design. Analytical modeling is an...
Direct selection for ribozyme cleavage activity in cells (2009)
Chen, Xi, Denison, Lisa, Levy, Matthew, Ellington, Andrew D.
Selection may prove to be a powerful tool for the generation of functional RNAs for in vivo genetic regulation. However, traditional in vitro selection schemes do not mimic physiological conditions,...
and Fixed Point Computation (2008)
Xi Chen, Xiaoming Sun, Shang-hua Teng
In this paper, we give a lower bound of Ω(n (d−1)/2) on the quantum query complexity for finding a fixed point of a discrete Brouwer function over grid [1: n] d. Our bound is nearly tight, as the...
ABSTRACT Automatic Trace Analysis for Logic of Constraints (2008)
Verification of system designs continues to be a major challenge today. Simulation remains the primary tool for making sure that implementations perform as they should. We present algorithms to...
Assertion-Based Power/Performance Analysis of Network Processor Architectures (2008)
Jia Yu, Wei Wu, Xi Chen, Harry Hsieh, Jun Yang
Network processors (NPUs) have emerged as successful platforms to provide both high performance and flexibility in building powerful routers. With the scaling of technology and higher requirements on...
Extragalactic Point Source Search in Five-year WMAP 41, 61 and 94 GHz Maps (2008)
We present the results of an extragalactic point source search using the five-year WMAP 41, 61 and 94 GHz (Q-, V- and W-band) temperature maps. This work is an extension of our point source search in...
On stresses induced in a thermal barrier coating due to indentation testing (2008)
Yan, Jin, Karlsson, Anette M., Bartsch, Marion, Chen, Xi
Instrumented indentation has been suggested as a method to determine interfacial fracture toughness of thermal barrier coatings. However, in a previous experimental study we showed that the results...
Tunable Goos-H\"{a}nchen shift and polarization beam splitter in electro-optic crystals (2008)
Chen, Xi, Shen, Ming, Zhang, Zhen-Fu, Li, Chun-Fang
We have investigated the tunable lateral shift and polarization beam splitting of the transmitted light beam through electro-optic crystals, based on the Pockels effect. The positive and negative...
Computing exact p-value for structured motif (2008)
Abstract. Extracting motifs from a set of DNA sequences is important in computational biology. Occurrence probability is a common used statistics to evaluate the statistical significance of a motif....
Design and Implementation of a High-Performance Microprocessor Cache Compression Algorithm (2008)
Xi Chen, Lei Yang, Haris Lekatsas, Robert P. Dick, Li Shang
Researchers have proposed using hardware data compression units within the memory hierarchies of microprocessors in order to improve performance, energy efficiency, and functionality. However, most...
determinant problem over any characteristic (2008)
quadratic lower bound for the permanent and
We consider the relationship of two fixed point theorems for direction-preserving discrete correspondences. We show that, for space of no more than three dimensions, the fixed point theorem [5] of...
Real Regulators on Self-Products of K3 Surfaces (2008)
Based on a novel application of an archimedean type pairing to the geometry and deformation theory of $K3$ surfaces, we construct a regulator indecomposable $K_1$-class on a self-product of a $K3$...
Wang, Jian, Ma, Xu-Cun, Qi, Yun, Fu, Ying-Shuang, Ji, Shuai-hua, Lu, Li, ...
Superconductor films on semiconductor substrates draw much attention recently since the derived superconductor-based electronics have been shown promising for future data process and storage...
The effects of tax reforms on the labour supply in Denmark (2008)
this artical discuss about how tax reforms in Denmark have impact on the labour supply during the last 20 years. It explained what kinds of tax policies changed in the tax reform in 1987,1994-1998...
Nash-Equilibrium Abstract (2008)
Almost sixty years ago Morgenstern and von Neumann [14] initiated the study of game theory with their applications to Economic behavior. A particularly interesting mathematical result is their proof...
We prove that finding the solution of two player Nash Equilibrium is PPAD-complete.
Xi Chen, Xiaotie Deng, Becky Jie Liu
Abstract. The selection problem of m highest ranked out of n candidates is considered for a model while the relative ranking of two candidates is obtained through their pairwise comparison. Deviating...
Xi Chen, Xiaotie Deng, Shang-hua Teng
Abstract. A two-player game is sparse if most of its payoff entries are zeros. We show that the problem of computing a Nash equilibrium remains PPAD-hard to approximate in fully polynomial time for...
A Simplicial Approach for Discrete Fixed Point Theorems (Extended Abstract) (2008)
Abstract. We present a new discrete fixed point theorem based on a novel definition of direction-preserving maps over simplicial structures. We show that the result is more general and simpler than...
determinant problem over any characteristic (2008)
quadratic lower bound for the permanent and
VLBI Observations of SiO Masers around AH Scorpii (2008)
We report the first Very Long Baseline Array (VLBA) observations of 43 GHz v=1, J=1-0 SiO masers in the circumstellar envelope of the M-type semi-regular supergiant variable star AH Sco at 2 epochs...
Pressure-driven water infiltration into carbon nanotube: The effect of applied charges (2008)
Pressure-driven liquid infiltration into hydrophobic nanoporous solids has important applications for energy absorption. Using water infiltration into a carbon nanotube as a model system, here we...
Stability Analysis of RED Gateway with Multiple TCP Reno Connections (2008)
Xi Chen, Siu-chung Wong, Chi K. Tse, Ljiljana Trajkovíc
Abstract — It has been observed that a bottleneck Random Early Detection (RED) gateway becomes oscillatory when regulating a flow in multiple TCP connections. The stability boundary of the TCP-RED...
Stability Analysis of RED Gateway with Multiple TCP Reno Connections (2008)
Xi Chen, Siu-chung Wong, Chi K. Tse, Ljiljana Trajkovíc
Abstract — It has been observed that a bottleneck Random Early Detection (RED) gateway becomes oscillatory when regulating a flow in multiple TCP connections. The stability boundary of the TCP-RED...
Chen, Xi, Zheng, Qing-Rong, Su, Gang
The possibility of quantum oscillations of the tunnel conductance and magnetoresistance induced by spin-wave excitations in a ferromagnet-ferromagnet-ferromagnet double barrier tunnel junction, when...
In this dissertation, concepts of the electronic architecture of automotive Integrated Safety System are developed as a cooperative approach of engineering process, dependable hardware architecture...
Heart disease and stroke are the most common causes of death in Westernized societies. Mounting evidence over the past decade suggests that oxidation of low density lipoprotein (LDL) plays an...
Heart disease and stroke are the most common causes of death in Westernized societies. Mounting evidence over the past decade suggests that oxidation of low density lipoprotein (LDL) plays an...
Mechanisms of Nanoindentation on Multiwalled Carbon Nanotube and Nanotube Cluster (2008)
Nanoindentation is a promising technique for deducing the elastic property of carbon nanotubes (CNTs). The paper presents an atomistic study on the nanoindentation mechanisms of single-walled and...
Bhasin, Jeffrey M., Chakrabarti, Enakshi, Peng, Dao-Quan, Kulkarni, Aneesh, Chen, Xi, Smith, Jonathan D., ...
BACKGROUND: A powerful way to identify genes for complex traits it to combine genetic and genomic methods. Many trait quantitative trait loci (QTLs) for complex traits are sex specific, but the...
Ashraf, Mohammad Z., Kar, Niladri S., Chen, Xi, Choi, Jaewoo, Salomon, Robert G., Febbraio, Maria, ...
We have recently demonstrated that specific oxidized phospholipids (oxPC(CD36)) accumulate at sites of oxidative stress in vivo such as within atherosclerotic lesions, hyperlipidemic plasma, and...
The initial transformation mechanism of gold seeds on indium tin oxide surfaces (2008)
Lin, Zhi-jie, Chen, Xiao-mei, Cai, Zhi-min, Koyama, Munetaka, Chen, Xi, Wang, Xiao-ru
Release of the styryl dyes from single synaptic vesicles in hippocampal neurons (2008)
Chen, Xi, Barg, Sebastian, Almers, Wolfhard
In small presynaptic boutons in brain, synaptic vesicles are thought not to merge with the plasma membrane when they release transmitter, but instead to close their fusion pores and survive intact...
Release of the styryl dyes from single synaptic vesicles in hippocampal neurons. (2008)
Chen, Xi, Barg, Sebastian, Almers, Wolfhard
In small presynaptic boutons in brain, synaptic vesicles are thought not to merge with the plasma membrane when they release transmitter, but instead to close their fusion pores and survive intact...
Unks, Donovan, Lyu, Shu-chen, Ma, Jeffrey, Zbozien-Pacamaj, Renata, Chen, Xi, ...
Objectives To determine the antibacterial activity of synthetic peptides derived from the cationic antimicrobial peptide granulysin against Vibrio cholerae. Methods The antibacterial activity of...
Cheng, Jiansong, Yu, Hai, Lau, Kam, Huang, Shengshu, Chokhawala, Harshal A, Li, Yanhong, ...
CstII from bacterium Campylobacter jejuni strain OH4384 has been previously characterized as a bifunctional sialyltransferase having both α2,3-sialyltransferase (GM3 oligosaccharide synthase) and...
Chen, Xi, Wang, Lily, Smith, Jonathan D., Zhang, Bing
Motivation: Gene set analysis allows formal testing of subtle but coordinated changes in a group of genes, such as those defined by Gene Ontology (GO) or KEGG Pathway databases. We propose a new...
Evolution of the mammalian transcription factor binding repertoire via transposable elements (2008)
Bourque, Guillaume, Leong, Bernard, Vega, Vinsensius B., Chen, Xi, Lee, Yen Ling, Srinivasan, Kandhadayar G., ...
Identification of lineage-specific innovations in genomic control elements is critical for understanding transcriptional regulatory networks and phenotypic heterogeneity. We analyzed, from an...
Mechanisms of Nanoindentation on Multiwalled Carbon Nanotube and Nanotube Cluster (2008)
Nanoindentation is a promising technique for deducing the elastic property of carbon nanotubes (CNTs). The paper presents an atomistic study on the nanoindentation mechanisms of single-walled and...
Stability Analysis of TCP/RED Communication Algorithms (2008)
Ljiljana Trajković, Mingjian Liu, Hui Zhang, Alfredo Marciello, Mario Di Bernardo, Xi Chen, ...
TCP/RED congestion control algorithms: an overview Discrete-time dynamical models of TCP Reno with RED Discontinuity-induced bifurcations in TCP/RED Stability analysis of RED gateway with multiple...
Stability Analysis of TCP/RED Communication Algorithms (2008)
Ljiljana Trajković, Mingjian Liu, Hui Zhang, Alfredo Marciello, Mario Di Bernardo, Xi Chen, ...
TCP/RED congestion control algorithms: an overview Discrete-time dynamical models of TCP Reno with RED Discontinuity-induced bifurcations in TCP/RED Stability analysis of RED gateway with multiple...
Extragalactic Point Source Search in WMAP 61 and 94 GHz Data (2007)
We report the results of an extragalactic point source search using the 61 and 94 GHz (V- and W-band) temperature maps from the Wilkinson Microwave Anisotropy Probe (WMAP). Applying a method that...
Jmjd1a and Jmjd2c histone H3 Lys 9 demethylases regulate self-renewal in embryonic stem cells (2007)
Loh, Yuin-Han, Zhang, Weiwei, Chen, Xi, George, Joshy, Ng, Huck-Hui
Embryonic stem (ES) cells are pluripotent cells with the ability to self-renew indefinitely. These unique properties are controlled by genetic factors and chromatin structure. The exit from the...
Claeys, Ilse, Chen, Xi, ...
Insulin is an extensively studied peptide hormone in mammals. However, insulin is not restricted to vertebrates, but has also been identified in invertebrates, among whom several insect species....
日本語複合動詞の習得状況と指導への問題提起 - 中国西安外国語大学における「～あう」「～こむ」の調査を中心に – (2007)
The Acquisition of Japanese Compound Verbs and Implications for Teaching: An Examination of “au” and “komu” at Xi’an Foreign Language University Japanese compound verbs often have various...
On Vojta's $1+\epsilon$ Conjecture (2007)
We give a geometric proof of Vojta's 1 + epsilon conjecture.
Settling the Complexity of Computing Two-Player Nash Equilibria (2007)
Chen, Xi, Deng, Xiaotie, Teng, Shang-Hua
We settle a long-standing open question in algorithmic game theory. We prove that Bimatrix, the problem of finding a Nash equilibrium in a two-player game, is complete for the complexity class PPAD...
Paths Beyond Local Search: A Nearly Tight Bound for Randomized Fixed-Point Computation (2007)
In 1983, Aldous proved that randomization can speedup local search. For example, it reduces the query complexity of local search over [1:n]^d from Theta (n^{d-1}) to O (d^{1/2}n^{d/2}). It remains...
Effects of gas molecules on nanofluidic behaviors (2007)
Qiao, Yu, Cao, Guoxin, Chen, Xi
Most previous studies on nanofluidic motions were focused on liquid-solid interactions, with the important role of gas phase being ignored. Through a molecular dynamics simulation, we show that the...
OSCILLATION AND PERIOD DOUBLING IN TCP/RED SYSTEM: ANALYSIS AND VERIFICATION (2007)
Xi Chen, Siu-chung Wong, Chi K. Tse
It has been known that a bottleneck RED (Random Early Detection) gateway can become oscillatory when regulating multiple identical TCP (Transmission Control Protocol) flows. However, a systematic...
The mechanism of superluminal traversal time through a potential well or potential barrier is investigated from the viewpoint of interference between multiple finite wave packets, due to the multiple...
Characterizing the Genetic Structure of Populations (2006)
The ability to characterize the genetic structure of populations continues to be central to all aspects of population and quantitative genetics, and measures based on correlations of pairs of alleles...
This paper aims to explore the current status of Internet Resources on Chinese studies among East Asian Libraries in the US. The author examined Internet Resources on Chinese Studies at the websites...
This paper aims to explore the current status of Internet Resources on Chinese studies among East Asian Libraries in the US. The author examined Internet Resources on Chinese Studies at the websites...
Computing Nash Equilibria: Approximation and Smoothed Complexity (2006)
Chen, Xi, Deng, Xiaotie, Teng, Shang-Hua
We show that the BIMATRIX game does not have a fully polynomial-time approximation scheme, unless PPAD is in P. In other words, no algorithm with time polynomial in n and 1/\epsilon can compute an...
islands brygge as a new part of the identity of Copenhagen (2006)
Chemotti, Nicola, Debaene, Sarah, Chen, Xi
In this project we have investigated the current situation in Islands Brygge, a South East neighbourhood of Copenhagen, across the Canal. We analyzed how the identity of that area is changing. We...
islands brygge as a new part of the identity of Copenhagen (2006)
Chemotti, Nicola, Debaene, Sarah, Chen, Xi
In this project we have investigated the current situation in Islands Brygge, a South East neighbourhood of Copenhagen, across the Canal. We analyzed how the identity of that area is changing. We...
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2006.
Thesis (Ph.D.)--Cornell University, May, 2006.
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2006.
Constraints assisted modeling and validation in metropolis framework (2006)
Guang Yang, Harry Hsieh, Xi Chen, Felice Balarin, Alberto Sangiovanni-vincentelli
Abstract — This paper focuses on quantitative constraints specified with Logic of Constraints(LOC) and coordination constraints with Linear Temporal Logic (LTL) that are used in the specification,...
Computing Nash equilibria: approximation and smoothed complexity (2006)
We advance significantly beyond the recent progress on the algorithmic complexity of Nash equilibria by solving two major open problems in the approximation of Nash equilibria and in the smoothed...
Adaptive Silhouette Extraction and Human Tracking in Dynamic Environments 1 (2006)
Xi Chen, Zhihai He, Derek Anderson, James Keller, Marjorie Skubic, Zhihai He
Extracting a human silhouette from a video sequence is the enabling step for many high-level vision processing tasks, such as people tracking, video surveillance, and mobility assessment. Silhouette...
On the complexity of 2d discrete fixed point problem (2006)
Abstract. We study a computational complexity version of the two dimensional Sperner problem, which states that any three coloring of vertices of a triangulated triangle, satisfying some boundary...
Zhihai He, Wenye Cheng, Xi Chen
In this paper, we develop a new framework to save the data processing energy and extend the operational lifetime of portable video communication devices. Video compression is computationally...
Market equilibria with hybrid linear-Leontief utilities (2006)
Xi Chen, Li-sha Huang, Shang-hua Teng
Abstract. We introduce a new family of utility functions for exchange markets. This family provides a natural and ”continuous ” hybridization of the traditional linear and Leontief utilities and...
On the complexity of 2d discrete fixed point problem (2006)
Abstract. While the 3-dimensional analogue of Sperner’s problem in the plane was known to be complete in class PPAD, thecomplexityof 2D-SPERNER itself is not known to be PPAD-complete or not. In...
Thesis (M.Phil.)--Hong Kong University of Science and Technology, 2006
An adaptive empirical likelihood test for parametric time series regression models (submitted (2006)
A test for a parametric regression model against a sequence of local alternative is constructed based on an empirical likelihood test statistic that measures the goodness-of-fit between the...
Inward Motions of the Compact SiO Masers Around VX Sagittarii (2005)
Chen, Xi, Shen, Zhi-Qiang, Imai, Hiroshi, Kamohara, Ryuichi
We report Very Long Baseline Array (VLBA) observations of 43 GHz v=1, J=1-0 SiO masers in the circumstellar envelope of the M-type semi-regular variable star VX Sgr at 3 epochs during 1999 April-May....
Development of Quantitative Real-Time Polymerase Chain Reaction for Duck Enteritis Virus DNA (2005)
Fa-Long Yang, Wen-Xiang Jia, Hua Yue, Wei Luo, Xi Chen, Yi Xie, ...
Duck enteritis virus (DEV) is a herpesvirus that causes an acute, contagious, and fatal disease. In the present article, we introduce a quantitative real-time polymerase chain reaction (PCR) assay...
On Searching a Table Consistent with Division Poset (2005)
Cheng, Yongxi, Chen, Xi, Yin, Yiqun Lisa
Suppose $P_n=\{1,2,...,n\}$ is a partially ordered set with the partial order defined by divisibility, that is, for any two distinct elements $i,j\in P_n$ satisfying $i$ divides $j$, $i
Magnetoelectric Switching of Exchange Bias (2005)
Borisov, Pavel, Hochstrat, Andreas, Chen, Xi, Kleeman, Wolfgang, Binek, Christian
The perpendicular exchange bias field, HEB, of the magnetoelectric heterostructure Cr2O3(111)/(Co/Pt)3 changes sign after field cooling to below the Néel temperature of Cr2O3 in either parallel or...
Perpendicular exchange bias and its control by magnetic, stress and electric fields (2005)
Binek, Christian, Borisov, Pl, Chen, Xi, Sahoo, S., Kleeman, W.
erpendicular exchange bias (PEB) involving perpendicular magnetic anisotropy (PMA) in both the antiferromagnetic (AF) pinning and the ferromagnetic (FM) sensor layer is expected to become important...
An authoritarian state and a contentious society: The case of China (2005)
Why has social protest risen dramatically and become routinized in China since the 1990s? Why does an authoritarian regime authorize or even facilitate social protest? This dissertation seeks to...
Assertion-Based Design Exploration of DVS in Network Processor Architectures (2005)
Yu, Jia, Wu, Wei, Chen, Xi, Hsieh, Harry, Yang, Jun, Balarin, Felice
With the scaling of technology and higher requirements on performance and functionality, power dissipation is becoming one of the major design considerations in the development of network processors....
Assertion-Based Design Exploration of DVS in Network Processor Architectures (2005)
Yu, Jia, Wu, Wei, Chen, Xi, Hsieh, Harry, Yang, Jun, Balarin, Felice
With the scaling of technology and higher requirements on performance and functionality, power dissipation is becoming one of the major design considerations in the development of network processors....
Verification and analysis of system designs with functional and performance constraints / (2005)
Thesis (Ph. D.)--University of California, Riverside, 2005.
First and foremost, I would like to express my gratitude to Prof. Harry Hsieh, who has led me to the research field and guided me throughout the entire graduate career with his constant enthusiasm...
On Algorithms for Discrete and Approximate Brouwer Fixed Points (2005)
We study the algorithmic complexity of the discrete fixed point problem and develop an asymptotic matching bound for a cube in any constantly bounded finite dimension. To obtain our upper bound, we...
Complexity and approximation of the minimum recombination haplotype configuration problem (2005)
Lan Liu, Xi Chen, Jing Xiao, Tao Jiang
Abstract. We study the complexity and approximation of the problem of reconstructing haplotypes from genotypes on pedigrees under the Mendelian Law of Inheritance and the minimum recombinant...
Operational risk management for banks and the new Basel Accord / (2005)
Dissertation submitted in partial fulfilment of the degree of M.Sc. in International Banking and Finance to the Center for Development Studies, University of Glasgow.
An authoritarian state and a contentious society : the case of China (2005)
Department: Political Science.
Lateral shift of the transmitted light beam through a left-handed slab (2004)
It is reported that when a light beam travels through a slab of left-handed medium in the air, the lateral shift of the transmitted beam can be negative as well as positive. The necessary condition...
Negative group delay for Dirac particles traveling through a potential well (2004)
The properties of group delay for Dirac particles traveling through a potential well are investigated. A necessary condition is put forward for the group delay to be negative. It is shown that this...
Fabrication and magnetic studies of GaSb/Mn digital alloys / (2004)
Thesis (Ph. D.)--State University of New York at Buffalo, 2004.
The role of PI3K and ERK/MAPK signal transduction cascades in long-term memory formation / (2004)
Thesis (Ph. D.)--University of Washington, 2004.
Logic of constraints: A quantitative performance and functional constraint formalism (2004)
Xi Chen, Harry Hsieh, Felice Balarin, Yosinori Watanabe
Abstract — In the era of billion-transistor design, it is critical to establish effective verification methodologies from the system level all the way down to the implementations. In this paper, we...
Utilizing Formal Assertions for System Design of Network (2004)
Xi Chen, Yan Luo, Harry Hsieh, Laxmi Bhuyan
System level modeling with executable languages such as C/C++ has been crucial in the development of large electronic systems from general processors to application specific designs. To make sure...
Utilizing Formal Assertions for System Design of Network (2004)
Xi Chen, Yan Luo, Harry Hsieh, Laxmi Bhuyan
System level modeling with executable languages such as C/C++ has been crucial in the development of large electronic systems from general processors to application specific designs. To make sure...
Utilizing Formal Assertions for System Design of Network (2004)
Xi Chen, Yan Luo, Harry Hsieh, Laxmi Bhuyan, Felice Balarin
System level modeling with executable languages such as C/C++ has been crucial in the development of large electronic systems from general processors to application specific designs. To make sure...
Logic of constraints: A quantitative performance and functional constraint formalism (2004)
Xi Chen, Harry Hsieh, Felice Balarin, Yosinori Watanabe
In the era of billion-transistor design, it is critical to establish effective verification methodologies from the system level all the way down to the implementations. In this paper, we introduce...
Sariba, A. Sami, Mobasseri, Ali, Pristatsky, Pavlo, Chen, Xi, Barthelson, Roger, Hakes, David, ...
Heparan sulfate/Heparin N-deacetylase/N-sulfotransferase-1 (NDST-1) is a critical enzyme involved in heparan sulfate/ heparin biosynthesis. This dual function enzyme modifies the GlcNAc-GlcA...
Saribas, A. Sami, Mobasseri, Ali, Pristatsky, Pavlo, Chen, Xi, Barthelson, Roger, Hakes, David, ...
Heparan sulfate/heparin N-deacetylase/N-sulfotransferase-1 (NDST-1) is a critical enzyme involved in heparan sulfate/heparin biosynthesis. This dual-function enzyme modifies the...
Sariba, A. Sami, Mobasseri, Ali, Pristatsky, Pavlo, Chen, Xi, Barthelson, Roger, Hakes, David, ...
Heparan sulfate/Heparin N-deacetylase/N-sulfotransferase-1 (NDST-1) is a critical enzyme involved in heparan sulfate/ heparin biosynthesis. This dual function enzyme modifies the GlcNAc-GlcA...
Under the influence of Soviet media theory, Chinese media have been held under the control of the Communist Party of China ever since the Party was established in 1921. However, this practice of...
Under the influence of Soviet media theory, Chinese media have been held under the control of the Communist Party of China ever since the Party was established in 1921. However, this practice of...
Thesis (M.A.)--Virginia Polytechnic Institute and State University, 2003.
Unemployment status and negative self-feelings / (2003)
Thesis (M.S.)--Texas A & M University, 2003.
Thesis (M.A.)--Virginia Polytechnic Institute and State University, 2003.
Case studies of model checking for embedded system designs (2003)
As modern embedded systems become more integrated and complex, it is crucial to be able to represent systems at multiple levels of abstraction, so that the design space can be effectively explored by...
Verifying LOC based functional and performance constraints (2003)
In the era of billion-transistor design, it is critical to establish effective verification methodologies from the system level all the way down to the implementations. Assertion languages (e.g....
Y.: Automatic generation of simulation monitors from quantitative constr aint formula (2003)
System design methodology is poised to become the next big enabler for highly sophisticated electronic products. Design verification continues to be a major challenge and simulation will remain an...
Shared Memory Multiprocessor Architectures for Software IP Routers (2003)
Yan Luo, Laxmi Narayan Bhuyan, Xi Chen
In this paper, we propose new shared memory multiprocessor architectures and evaluate their performance for future Internet Protocol (IP) routers based on Symmetric Multi-Processor (SMP) and Cache...
Y.: Automatic generation of simulation monitors from quantitative constr aint formula (2003)
System design methodology is poised to become the next big enabler for highly sophisticated electronic products. Design verification continues to be a major challenge and simulation will remain an...
Shared Memory Multiprocessor Architectures for Software IP Routers (2003)
Yan Luo, Laxmi Narayan Bhuyan, Xi Chen
In this paper, we propose new shared memory multiprocessor architectures and evaluate their performance for future Internet Protocol (IP) routers based on Symmetric Multi-Processor (SMP) and Cache...
Y.: Automatic generation of simulation monitors from quantitative constr aint formula (2003)
System design methodology is poised to become the next big enabler for highly sophisticated electronic products. Design verification continues to be a major challenge and simulation will remain an...
Under the influence of Soviet media theory, Chinese media have been held under the control of the Communist Party of China ever since the Party was established in 1921. However, this practice of...
Indecomposable K_1 and the Hodge-D-conjecture for K3 and Abelian Surfaces (2002)
We prove the Hodge-D-conjecture for general K3 and Abelian surfaces. Some consequences of this result, e.g., on the levels of higher Chow groups of products of elliptic curves, are discussed.
Noether-Lefschetz for K_1 of a Surface, Revisited (2002)
Let Z be a general surface in P^3 of degree at least 5. Using a Lefschetz pencil argument, we give an elementary new proof of the vanishing of a regulator on K_1(Z).
Genetic Transformation of Perennial Ryegrass for Chemical Induced Elimination (2002)
Perennial ryegrass (Lolium perenne L.) is an important forage and turfgrass species, widely distributed throughout the world, including North and South America, Europe, New Zealand, and Australia. As...
A study on profile setting of injection molding (2002)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2002
A study on profile setting of injection molding / (2002)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2002.
A study on profile setting of injection molding / (2002)
Thesis (Ph.D.)--Hong Kong University of Science and Technology, 2002.
University Microfilms order no. 3037550.
The Binding Database: data management and interface design (2002)
Chen, Xi, Lin, Yuhmei, Liu, Ming, Gilson, Michael K.
Motivation: The large and growing body of experimental data on biomolecular binding is of enormous value in developing a deeper understanding of molecular biology, in developing new therapeutics, and...
Dilution-induced enhancement of the blocking temperature in exchange-bias heterosystems (2001)
Chen, Xi, Binek, Christian, Hochstrat, A., Kleeman, W.
The temperature dependence of the exchange bias field is investigated by superconducting quantum interference device magnetometry in Fe1-xZnxF2(110)/Fe14 nm/Ag35 nm, x=0.4. Its blocking temperature...
On Algebraic Hyperbolicity of Log Varieties (2001)
Fix a very general hypersurface D in P^n of degree at least 2n + 1 and we show that the complement P^n - D does not contain any algebraic torus C^*.
On Algebraic Hyperbolicity of Log Surfaces (2001)
We call a log variety (X, D) algebraically hyperbolic if there exists a positive number e such that 2g(C) - 2 + i(C, D) >= e deg(C) for all curves C on X, where i(C, D) is the number of the...
Asymmetric allylic oxidation reaction and synthetic studies of glycosaminoglycans (2001)
In Part I: Asymmetric allylic oxidation of cyclic olefins using a catalytic amount of copper(I) bisoxazoline complexes and new peresters was investigated to give allylic benzoate esters in high...
The regulation of ATF6 in the endoplasmic reticulum stress response (2001)
ATF6 is an ER transmembrane transcription factor that is activated by the ER stress response by cleavage of its N-terminal half from the membrane. We find that ER stress induces ATF6 to move from the...
Foreign object damage and fatigue cracking / (2001)
Thesis (Ph. D., Division of Engineering and Applied Sciences)--Harvard University, 2001.
Typescript.
Some remarks on the Severi varieties of surfaces in ℙ3 (2001)
Continuing the work of Chiantini and Ciliberto (1999) on the Severi varieties of curves on surfaces in ℙ3, we complete the proof of the existence of regular components for such varieties.
The regulation of ATF6 in the endoplasmic reticulum stress response (2001)
Department: Biological Sciences.
Some remarks on the Severi varieties of surfaces in ℙ3 (2001)
Continuing the work of Chiantini and Ciliberto (1999) on the Severi varieties of curves on surfaces in ℙ3, we complete the proof of the existence of regular components for such varieties.
A Simple Proof that Rational Curves on K3 are Nodal (2000)
We give a simple proof of the statement that every rational curve in the primitive class of a general K3 surface is nodal.
On the Intersection of Two Plane Curves (2000)
We study the following question: fix a sufficient general curve D of degree d in P^2, what is the least number of intersections between D and an irreducible curve of degree m? G. Xu proved this...
alpha 1,3-Galactosyltransferase and alpha-Gal epitope mediated cancer immunotherapy (2000)
Pig-to-human xenotransplantation, an alternative solution for organ shortage, was seriously hampered by the hyperacute rejection occurred due to the interaction between natural antibodies in human...
Stochastic indefinite linear-quadratic optimal control--[microform] /--by Chen Xi. (2000)
"July 2000."
Guidelines for efficient wellbore stability analysis (1999)
Bibliographical references pp. 323-341.
Xi Chen, Abhijit Davare, Alberto Sangiovanni-vincentelli, Yosinori Watanabe
In the design of highly complex, heterogeneous, and concurrent systems, deadlock detection and resolution remains an important issue. In this paper, we systematically analyze the synchronization...
Singularities of Rational Curves on K3 surfaces (1998)
We proved that every rational curves in the primitive class of a general K3 surface of any genus is nodal.
The P/M Industry and Progress in China. (1998)
Wang, Lingsen, Chen, Xi, Zhang, Shugao
This paper concerned metals in some important way and contained information about, utilized, or discussed these subjects: basic topics: overview materials and material types: al-10ni-5y,...
Rational Curves on K3 Surfaces (1998)
We proved the existence of rational curves in every linear system on a general K3 surface and that all rational curves in the hyperplane class are nodal on a general K3 surface of small genus.
Thesis (M.S.)--University of Connecticut, 1999.
Dynamic tolerance charting :--a tool for on-line process control /--by Xi Chen. (1997)
"Spring 1997".
Rational curves on K3 surfaces /--a thesis presented by Xi Chen. (1997)
Thesis (Ph. D.)--Harvard University, 1997.
Design and synthesis of multi-substrate inhibitors of IMP dehydrogenase / (1996)
Thesis (Ph. D.)--State University of New York at Buffalo, 1996.
Design a high performance programmable DMA controller /--Xi Chen. (1996)
Thesis (M.S.)--Clemson University, 1996.
Bibliography: leaf 240-255.
Thesis (Ph. D.)--Washington University, 1993. Dept. of Chemistry.
Estimation of variance components for binary data :--an application to wafer yield data. (1993)
Thesis (M.S.)--Worcester Polytechnic Institute.
Automated formal verification techniques for systolic array design /--by Xi Chen. (1993)
Thesis (M.S.) -- Santa Clara University, School of Engineering, 1993.
Thesis (M.S.)--Northern Illinois University, 1993.
Iron tricarbonyl derivatives of ditertiary phosphines/--by Xi Chen. (1992)
Thesis (M.S.)--Eastern Illinois University, 1992.
Thesis (M.S.) -- The University at Albany, State University of New York, Dept. of Chemistry.
Du Yan, Shi, Zhu, Huaijie, Fu, Jin, Yan, Shi Fang, Roher, Alex, Tourtellotte, Wallace W., ...
In Alzheimer disease (AD), neurons are thought to be subjected to the deleterious cytotoxic effects of activated microglia. We demonstrate that binding of amyloid-beta peptide (Aβ) to neuronal...
Serum-Induced Expression of the cdc25A Gene by Relief of E2F-Mediated Repression
The cdc25A gene encodes a tyrosine phosphatase which activates cyclin-dependent kinase activity in the G1 phase of the cell cycle. cdc25A RNA levels are induced from 3 to 6 h after serum induction of...
Chen, Jiangye, Zhou, Song, Wang, Qin, Chen, Xi, Pan, Ting, Liu, Haoping
Both mitogen-activated protein kinases and cyclin-dependent kinases play a role in hyphal development in Candida albicans. Using an oligonucleotide probe-based screen, we have isolated a new member...
Chen, Xi, Stone, Michelle, Schlagnhaufer, Carl, Romaine, C. Peter
We describe a modified Agrobacterium-mediated method for the efficient transformation of Agaricus bisporus. Salient features of this procedure include cocultivation of Agrobacterium and fruiting body...
Zhang, Peng Fei, Chen, Xi, Fu, Da Wei, Margolick, Joseph B., Quinnan, Gerald V.
To test the hypothesis that changing neutralizing antibody responses against human immunodeficiency virus type 1 (HIV-1) during chronic infection were a response to emergence of neutralization escape...
Riggle, Perry J., Andrutis, Karl A., Chen, Xi, Tzipori, Saul R., Kumamoto, Carol A.
A Candida albicans efg1 cph1 double mutant is nonfilamentous under standard laboratory conditions and avirulent in mice. However, this mutant produced filaments in the tongues of immunosuppressed...
Chen, Wenqiong, Provart, Nicholas J., Glazebrook, Jane, Katagiri, Fumiaki, Chang, Hur-Song, Eulgem, Thomas, ...
Numerous studies have shown that transcription factors are important in regulating plant responses to environmental stress. However, specific functions for most of the genes encoding transcription...
Qu, Li-Jia, Chen, Jun, Liu, Meihua, Pan, Naisui, Okamoto, Haruko, Lin, Zhongzhuan, ...
Bowman-Birk inhibitor (BBI) genes encode serine protease inhibitors that have repetitive cysteine-rich domains with reactive sites for the trypsin or chymotrypsin family. We have identified seven BBI...
Mengiste, Tesfaye, Chen, Xi, Salmeron, John, Dietrich, Robert
The molecular and cellular mechanisms involved in plant resistance to the necrotrophic fungal pathogen Botrytis cinerea and their genetic control are poorly understood. Botrytis causes severe disease...
RAGE potentiates Aβ-induced perturbation of neuronal function in transgenic mice
Arancio, Ottavio, Zhang, Hui Ping, Chen, Xi, Lin, Chang, Trinchese, Fabrizio, Puzzo, Daniela, ...
Receptor for Advanced Glycation Endproducts (RAGE), a multiligand receptor in the immunoglobulin superfamily, functions as a signal-transducing cell surface acceptor for amyloid-beta peptide (Aβ)....
Chew, Joon-Lin, Loh, Yuin-Han, Zhang, Wensheng, Chen, Xi, Tam, Wai-Leong, Yeap, Leng-Siew, ...
Embryonic stem cells (ESCs) are pluripotent cells that can either self-renew or differentiate into many cell types. Oct4 and Sox2 are transcription factors essential to the pluripotent and...
Human decidual NK cells form immature activating synapses and are not cytotoxic
Kopcow, Hernan D., Allan, David S. J., Chen, Xi, Rybalov, Basya, Andzelm, Milena M., Ge, Baoxue, ...
In early pregnancy invading fetal trophoblasts encounter abundant maternal decidual natural killer cells (dNK). dNK express perforin, granzymes A and B and the activating receptors NKp30, NKp44,...
Zhang, Wen, Chen, Xi, Kato, Yoichi, Evans, Paul M., Yuan, Subo, Yang, Jun, ...
Epithelial cells of the intestinal mucosa undergo a continual process of proliferation, differentiation, and apoptosis which is regulated by multiple signaling pathways. The Wnt/β-catenin pathway...
Role of IFN-γ in induction of Foxp3 and conversion of CD4+ CD25– T cells to CD4+ Tregs
Wang, Zhaojun, Hong, Jian, Sun, Wei, Xu, Guangwu, Li, Ningli, Chen, Xi, ...
IFN-γ is an important Th1 proinflammatory cytokine and has a paradoxical effect on EAE in which disease susceptibility is unexpectedly heightened in IFN-γ–deficient mice. In this study, we...
Du Yan, Shi, Zhu, Huaijie, Fu, Jin, Yan, Shi Fang, Roher, Alex, Tourtellotte, Wallace W., ...
In Alzheimer disease (AD), neurons are thought to be subjected to the deleterious cytotoxic effects of activated microglia. We demonstrate that binding of amyloid-beta peptide (Aβ) to neuronal...
Serum-Induced Expression of the cdc25A Gene by Relief of E2F-Mediated Repression
The cdc25A gene encodes a tyrosine phosphatase which activates cyclin-dependent kinase activity in the G1 phase of the cell cycle. cdc25A RNA levels are induced from 3 to 6 h after serum induction of...
Chen, Jiangye, Zhou, Song, Wang, Qin, Chen, Xi, Pan, Ting, Liu, Haoping
Both mitogen-activated protein kinases and cyclin-dependent kinases play a role in hyphal development in Candida albicans. Using an oligonucleotide probe-based screen, we have isolated a new member...
Chen, Xi, Stone, Michelle, Schlagnhaufer, Carl, Romaine, C. Peter
We describe a modified Agrobacterium-mediated method for the efficient transformation of Agaricus bisporus. Salient features of this procedure include cocultivation of Agrobacterium and fruiting body...
Zhang, Peng Fei, Chen, Xi, Fu, Da Wei, Margolick, Joseph B., Quinnan, Gerald V.
To test the hypothesis that changing neutralizing antibody responses against human immunodeficiency virus type 1 (HIV-1) during chronic infection were a response to emergence of neutralization escape...
Riggle, Perry J., Andrutis, Karl A., Chen, Xi, Tzipori, Saul R., Kumamoto, Carol A.
A Candida albicans efg1 cph1 double mutant is nonfilamentous under standard laboratory conditions and avirulent in mice. However, this mutant produced filaments in the tongues of immunosuppressed...
Chen, Wenqiong, Provart, Nicholas J., Glazebrook, Jane, Katagiri, Fumiaki, Chang, Hur-Song, Eulgem, Thomas, ...
Numerous studies have shown that transcription factors are important in regulating plant responses to environmental stress. However, specific functions for most of the genes encoding transcription...
Qu, Li-Jia, Chen, Jun, Liu, Meihua, Pan, Naisui, Okamoto, Haruko, Lin, Zhongzhuan, ...
Bowman-Birk inhibitor (BBI) genes encode serine protease inhibitors that have repetitive cysteine-rich domains with reactive sites for the trypsin or chymotrypsin family. We have identified seven BBI...
Mengiste, Tesfaye, Chen, Xi, Salmeron, John, Dietrich, Robert
The molecular and cellular mechanisms involved in plant resistance to the necrotrophic fungal pathogen Botrytis cinerea and their genetic control are poorly understood. Botrytis causes severe disease...
RAGE potentiates Aβ-induced perturbation of neuronal function in transgenic mice
Arancio, Ottavio, Zhang, Hui Ping, Chen, Xi, Lin, Chang, Trinchese, Fabrizio, Puzzo, Daniela, ...
Receptor for Advanced Glycation Endproducts (RAGE), a multiligand receptor in the immunoglobulin superfamily, functions as a signal-transducing cell surface acceptor for amyloid-beta peptide (Aβ)....
Chew, Joon-Lin, Loh, Yuin-Han, Zhang, Wensheng, Chen, Xi, Tam, Wai-Leong, Yeap, Leng-Siew, ...
Embryonic stem cells (ESCs) are pluripotent cells that can either self-renew or differentiate into many cell types. Oct4 and Sox2 are transcription factors essential to the pluripotent and...
Human decidual NK cells form immature activating synapses and are not cytotoxic
Kopcow, Hernan D., Allan, David S. J., Chen, Xi, Rybalov, Basya, Andzelm, Milena M., Ge, Baoxue, ...
In early pregnancy invading fetal trophoblasts encounter abundant maternal decidual natural killer cells (dNK). dNK express perforin, granzymes A and B and the activating receptors NKp30, NKp44,...
Zhang, Wen, Chen, Xi, Kato, Yoichi, Evans, Paul M., Yuan, Subo, Yang, Jun, ...
Epithelial cells of the intestinal mucosa undergo a continual process of proliferation, differentiation, and apoptosis which is regulated by multiple signaling pathways. The Wnt/β-catenin pathway...
Role of IFN-γ in induction of Foxp3 and conversion of CD4+ CD25– T cells to CD4+ Tregs
Wang, Zhaojun, Hong, Jian, Sun, Wei, Xu, Guangwu, Li, Ningli, Chen, Xi, ...
IFN-γ is an important Th1 proinflammatory cytokine and has a paradoxical effect on EAE in which disease susceptibility is unexpectedly heightened in IFN-γ–deficient mice. In this study, we...
Veronese, Paola, Nakagami, Hirofumi, Bluhm, Burton, AbuQamar, Synan, Chen, Xi, Salmeron, John, ...
Plant resistance to disease is controlled by the combination of defense response pathways that are activated depending on the nature of the pathogen. We identified the Arabidopsis thaliana...
Chen, Xi, Allan, David S. J., Krzewski, Konrad, Ge, Baoxue, Kopcow, Hernan, Strominger, Jack L.
Activation of natural killer (NK) cell cytotoxicity requires adhesion and formation of a conjugate with a susceptible target cell, followed by actin polymerization, and polarization of the...
Zic3 Is Required for Maintenance of Pluripotency in Embryonic Stem Cells
Lim, Linda Shushan, Loh, Yuin-Han, Zhang, Weiwei, Li, Yixun, Chen, Xi, Wang, Yinan, ...
Embryonic stem (ES) cell pluripotency is dependent upon sustained expression of the key transcriptional regulators Oct4, Nanog, and Sox2. Dissection of the regulatory networks downstream of these...
Tang, Yuye, Cao, Guoxin, Chen, Xi, Yoo, Jejoong, Yethiraj, Arun, Cui, Qiang
The gating pathways of mechanosensitive channels of large conductance (MscL) in two bacteria (Mycobacterium tuberculosis and Escherichia coli) are studied using the finite element method. The...
Chen, Xi, Trivedi, Prachi P., Ge, Baoxue, Krzewski, Konrad, Strominger, Jack L.
Natural killer (NK) cells are components of the innate immune system that recognize and kill tumor or virus-infected target cells through specific NK activating receptor/ligand interactions....
PGC-1α Inhibits Oleic Acid Induced Proliferation and Migration of Rat Vascular Smooth Muscle Cells
Zhang, Yan, Liu, Chang, Zhu, Lingyun, Jiang, Xiaohong, Chen, Xi, Qi, Xiaoqiang, ...
Krzewski, Konrad, Chen, Xi, Orange, Jordan S., Strominger, Jack L.
The tumor natural killer (NK) cell line YTS was used to examine the cytoskeletal rearrangements required for cytolysis. A multiprotein complex weighing ∼1.3 mD and consisting of WASp-interacting...
Chen, Lan-Ying, Chen, Xi, Tian, Xiao-Li, Yu, Xiao-Hong
To understand whether the molecular mechanism of Tetrandrine (Tet)'s pharmacological effects is concerned with sarcoplasmic reticulum calcium transport so as to be involved in myocardial...
Sex Specific Gene Regulation and Expression QTLs in Mouse Macrophages from a Strain Intercross
Bhasin, Jeffrey M., Chakrabarti, Enakshi, Peng, Dao-Quan, Kulkarni, Aneesh, Chen, Xi, Smith, Jonathan D.
Myosin IIA is required for cytolytic granule exocytosis in human NK cells
Andzelm, Milena M., Chen, Xi, Krzewski, Konrad, Orange, Jordan S., Strominger, Jack L.
Natural killer (NK) cell cytotoxicity involves the formation of an activating immunological synapse (IS) between the effector and target cell through which granzymes and perforin contained in lytic...
Jmjd1a and Jmjd2c histone H3 Lys 9 demethylases regulate self-renewal in embryonic stem cells
Loh, Yuin-Han, Zhang, Weiwei, Chen, Xi, George, Joshy, Ng, Huck-Hui
Embryonic stem (ES) cells are pluripotent cells with the ability to self-renew indefinitely. These unique properties are controlled by genetic factors and chromatin structure. The exit from the...
Sun, Bingwei, Sun, Zhiwei, Jin, Qin, Chen, Xi
Objective: To determine whether the CO-releasing molecule -liberated CO attenuates infiltration of leukocytes in the renal tissue of thermally injured mice.
WIP is essential for lytic granule polarization and NK cell cytotoxicity
Krzewski, Konrad, Chen, Xi, Strominger, Jack L.
Natural killer (NK) cells play important roles in host immunity by killing virus-infected and tumor cells. Killing of the target cell is achieved by formation of an immune synapse and localized...
Li, Changlin, Ge, Baoxue, Nicotra, Matthew, Stern, Joel N. H., Kopcow, Hernan D., Chen, Xi, ...
Interaction of the activating receptor NKG2D with its ligands is a major stimulatory pathway for cytotoxicity of natural killer (NK) cells. Here, the signaling pathway involved after NKG2D ligation...
An Integrated Approach for the Analysis of Biological Pathways using Mixed Models
Wang, Lily, Zhang, Bing, Wolfinger, Russell D., Chen, Xi
Gene class, ontology, or pathway testing analysis has become increasingly popular in microarray data analysis. Such approaches allow the integration of gene annotation databases, such as Gene...
Dai, Yingchun, Tuan, Francis, Lin, William, Zhong, Funing, Chen, Xi
This study analyzes whether biotech labeling has an impact on consumers'’ purchasing behavior in China using vegetable oils in Nanjing as a case study. Results from an Almost Ideal Demand System...
Quantitative models for direct marketing: A review from systems perspective
In this paper, quantitative models for direct marketing models are reviewed from a systems perspective. A systems view consists of input, processing, and output and the six key activities of direct...
Do Consumers Really Care about Biotech Food Label? What Do We Know? What Else Should We Know?
Chen, Xi, Zhong, Funing, Zhou, Bin
This paper is Selected for presentation at the Southern Agricultural Economics Association Annual Meeting, Atlanta, Georgia, January 31-February 3, 2009. The research is partially funded by ERS/USDA...
Diaz, Sandra L., Padler-Karavani, Vered, Ghaderi, Darius, Hurtado-Ziola, Nancy, Yu, Hai, Chen, Xi, ...
Yu, Hong, Chen, Xi, Hong, Yuan-Yuan, Wang, Yao, Xu, Ping, Ke, Sheng-Dong, ...
Drought is one of the most important environmental constraints limiting plant growth and agricultural productivity. To understand the underlying mechanism of drought tolerance and to identify genes...
Ashraf, Mohammad Z., Kar, Niladri S., Chen, Xi, Choi, Jaewoo, Salomon, Robert G., Febbraio, Maria, ...
We have recently demonstrated that specific oxidized phospholipids (oxPCCD36) accumulate at sites of oxidative stress in vivo such as within atherosclerotic lesions, hyperlipidemic plasma, and plasma...
Evolution of the mammalian transcription factor binding repertoire via transposable elements
Bourque, Guillaume, Leong, Bernard, Vega, Vinsensius B., Chen, Xi, Lee, Yen Ling, Srinivasan, Kandhadayar G., ...
Identification of lineage-specific innovations in genomic control elements is critical for understanding transcriptional regulatory networks and phenotypic heterogeneity. We analyzed, from an...
CO liberated from CORM-2 modulates the inflammatory response in the liver of thermally injured mice
Sun, Bing-Wei, Sun, Yan, Sun, Zhi-Wei, Chen, Xi
AIM: To explore the effects of CO-releasing molecules [tricarbonyldichlororuthenium (II) dimer, CORM-2]-liberated CO on attenuation of inflammatory responses in liver of an experimental animal model...
Blood for Social Status: Preliminary Evidence from Rural China
Xi Chen acknowledges generous Doctoral Research Grant from the Institute for the Social Sciences at Cornell University and precious data set provided by the Development Strategy and Governance...
Stress-driven buckling patterns in spheroidal core/shell structures
Yin, Jie, Cao, Zexian, Li, Chaorong, Sheinman, Izhak, Chen, Xi
Many natural fruits and vegetables adopt an approximately spheroidal shape and are characterized by their distinct undulating topologies. We demonstrate that various global pattern features can be...
Lu, Lu, Zhu, Yun, Huang, Jinghe, Chen, Xi, Yang, Hengwen, Jiang, Shibo, ...
HIV-1 gp41 cytoplasmic tail (CT) is highly conserved among HIV-1 isolates, particularly the region designated lentivirus lytic peptide (LLP1–2), which includes two α-helical domains LLP1 and LLP2....
This paper examines whether and how biotech labelling has had an impact on Chinese consumers’ vegetable oil purchasing decisions. The authors used sales data from Nanjing and household survey data...
Chen, Xi, Cui, Qiang, Tang, Yuye, Yoo, Jejoong, Yethiraj, Arun
A hierarchical simulation framework that integrates information from molecular dynamics (MD) simulations into a continuum model is established to study the mechanical response of mechanosensitive...
Tang, Yuye, Yoo, Jejoong, Yethiraj, Arun, Cui, Qiang, Chen, Xi
Part II of this study is based on the continuum mechanics-based molecular dynamics-decorated finite element method (MDeFEM) framework established in Part I. In Part II, the gating pathways of...
Proteasome inhibitor ameliorates severe acute pancreatitis and associated lung injury of rats
Chen, Xi, Li, Shun-Le, Wu, Tao, Liu, Ji-Dong
AIM: To observe the effect of proteasome inhibitor MG-132 on severe acute pancreatitis (SAP) and associated lung injury of rats.
X chromosome inactivation in the absence of Dicer
Kanellopoulou, Chryssa, Muljo, Stefan A., Dimitrov, Stoil D., Chen, Xi, Colin, Christian, Plath, Kathrin, ...
Dicer is central to the RNA interference (RNAi) pathway, because it is required for processing of double-stranded RNA (dsRNA) precursors into small RNA effector molecules. In principle, any long...
Identification and characterization of novel amphioxus microRNAs by Solexa sequencing
Chen, Xi, Li, Qibin, Wang, Jin, Guo, Xing, Jiang, Xiangrui, Ren, Zhiji, ...
An analysis of amphioxus miRNAs suggests an expansion of miRNAs played a key role in the evolution of chordates to vertebrates
Zhang, Hui Ying, Zhang, Xi, Chen, Xi, Thomas, Deena, Hormi-Carver, Kathy, Elder, Frederick, ...
We hypothesized that, in esophageal squamous epithelial cells, there are differences among individuals in the signal transduction pathways activated by acid reflux that might underlie the development...
Remodeling bacterial polysaccharides by metabolic pathway engineering
Yi, Wen, Liu, Xianwei, Li, Yanhong, Li, Jianjun, Xia, Chengfeng, Zhou, Guangyan, ...
Introducing structural modifications into biomolecules represents a powerful approach to dissect their functions and roles in biological processes. Bacterial polysaccharides, despite their rich...
Chen, Xi, Wang, Lily, Smith, Jonathan D., Zhang, Bing
Motivation: Gene set analysis allows formal testing of subtle but coordinated changes in a group of genes, such as those defined by Gene Ontology (GO) or KEGG Pathway databases. We propose a new...
Direct selection for ribozyme cleavage activity in cells
Chen, Xi, Denison, Lisa, Levy, Matthew, Ellington, Andrew D.
Selection may prove to be a powerful tool for the generation of functional RNAs for in vivo genetic regulation. However, traditional in vitro selection schemes do not mimic physiological conditions,...
Geography: Graphics and Economics
Past studies of the relationships between economic activity and geography have been hampered by limited spatial data on economic activity. This study presents revised data on global economic...