Reducing Power Consumption in Fat-Tree Networks using On/Off Links (2008)
M. Alonso, S. Coll, V. Santonja, J. M. Martínez, P. López, J. Duato
Nowadays, power consumption reduction techniques are being increasingly used in computer systems, and high-performance computing systems are not an exception. In particular, the power consumed by the...
S. D. Ventura, E. G. Birgin, J. M. Martínez, I. Chambouleyron
techniques for the estimation of the thickness
M. Mulato A, I. Chambouleyron, E. G. Birgin B, J. M. Martínez
b) Corresponding author for copies of the software. 2 This work presents the application of a recently developed numerical method to determine the thickness and the optical constants of thin films...
F. I. Pisnitchenko, I. A. Pisnichenko, J. M. Martínez, S. A. Santos
In meteorological and oceanological studies the classical approach for finding the numerical solution of the regional model consists in formulating and solving a Cauchy-Dirichlet problem. The...
Valdés, A. F. C., Martínez, J. M., Lizama, R. S., Vermeersch, M., Cos, P., Maes, L.
In the present study, an extensive in vitro antimicrobial profiling was performed for three medicinal plants grown in Cuba, namely Simarouba glauca, Melaleuca leucadendron and Artemisia absinthium....
Trust-region superposition methods for protein alignment (2008)
Andreani, R., Martínez, J. M., Martínez, L.
Protein alignment is a challenging applied optimization problem. Superposition methods are based on the maximization of a score function with respect to rigid-body modifications of relative...
Estudio de propuestas alternativas en la enseñanza de la termodinámica básica (2007)
We report in this work a research on an approach to Basic Thermodynamics teaching at secondary level. The results of four grups of students in different cities are discussed from qualitative and...
Quasi-Newton Methods With Derivatives (2007)
J.M. Martínez, J. M. Mart Inez
. When the Jacobian of a nonlinear system of equations is fully available, the main drawback for the application of Newton's method is the linear algebra work associated with its basic...
M. A. Diniz-Ehrhardt, M. A. Gomes-ruggiero, J. M. Martínez, S. A. Santos
The Spectral Projected Gradient method (SPG) is an algorithm for large-scale bound-constrained optimization introduced recently by Birgin, Martnez and Raydan. It is based on Raydan's...
Continuous Optimization Methods for Structural Alignment (2007)
R. Andreani, J. M. Martínez, L. Martínez, F. Yano
Structural Alignment is an important tool for fold identification of proteins, structural screening on ligand databases, pharmacophore identification and other applications. In the general case, the...
On Augmented Lagrangian methods with general lower-level constraints (2005)
R. Andreani, E. G. Birgin, J. M. Martínez, M. L. Schuverdt
Abstract. Augmented Lagrangian methods with general lower-level constraints are considered in the present research. These methods are useful when efficient algorithms exist for solving subproblems in...
On Augmented Lagrangian methods with general lower-level constraints (2005)
R. Andreani, E. G. Birgin, J. M. Martínez, M. L. Schuverdt
Abstract. Augmented Lagrangian methods with general lower-level constraints are considered in the present research. These methods are useful when efficient algorithms exist for solving subproblems in...
On Augmented Lagrangian methods with general lower-level constraints (2005)
R. Andreani, E. G. Birgin, J. M. Martínez, M. L. Schuverdt
Abstract. Augmented Lagrangian methods with general lower-level constraints are considered in the present research. These methods are useful when efficient algorithms exist for solving subproblems in...
F.: Description-Driven Generation of 3D Humanoids within Authoring 744 (2005)
V. Fernández-carbajales, J. M. Martínez, F. Morán
This paper presents a new trend within the Authoring744 research initiative: the creation of 3D humanoids. Authoring744 proposes the creation of content using descriptions that drive content...
Escuder, E., Hernández, F., Ardid, M., Martínez, J. M., Picó, Rubén
En este artículo, se analizan la eficiencia de la radiación y las características de vibración de una superficie plana de policarbonato en función de distintas condiciones de sujeción. Esta...
Escuder, E., Hernández, F., Ardid, M., Martínez, J. M., Picó, Rubén
En este artículo, se analizan la eficiencia de la radiación y las características de vibración de una superficie plana de policarbonato en función de distintas condiciones de sujeción. Esta...
Numerical comparison of Augmented Lagrangian algorithms for nonconvex problems (2004)
E. G. Birgin, R. A. Castillo, J. M. Martínez
Augmented Lagrangian algorithms are very popular tools for solving nonlinear programming problems. At each outer iteration of these methods a simpler optimization problem is solved, for which ecient...
Mortalidad por defectos del tubo neural en México, 1980-1997 (2003)
Ramírez-Espitia, José A., García Benavides, Fernando, Lacasaña Navarro, Marina, Martínez, J. M., García, Ana M., Benach Rovira, Joan
Objetivo. Describir la mortalidad en México por defectos del tubo neural, durante el periodo 1980-1997. Material y métodos. Las tasas anuales de mortalidad estatales y nacionales, por defectos del...
Mortalidad por defectos del tubo neural en México, 1980-1997 (2003)
García Benavides, Fernando, Lacasaña Navarro, Marina, Martínez, J. M., García, Ana M., Benach Rovira, Joan, Ramírez-Espitia, José A.
Objetivo. Describir la mortalidad en México por defectos del tubo neural, durante el periodo 1980-1997. Material y métodos. Las tasas anuales de mortalidad estatales y nacionales, por defectos del...
J. M. Martínez, P. López, J. Duato
Two general approaches have been proposed for deadlock handling in wormhole networks. Traditionally, deadlock-avoidance strategies have been used. In this case, either routing is restricted so that...
Optimizing the Packing of Cylinders into a Rectangular Container: A Nonlinear Approach (2003)
E. G. Birgin, J. M. Martínez, D. P. Ronconi
The container loading problem has important industrial and commercial applications. An increase in the number of items in a container leads to a decrease in cost. For this reason the related...
Optical Constants and Thickness Determination of Very Thin Amorphous Semiconductor Films (2002)
I. Chambouleyron, S. D. Ventura, E. G. Birgin, J. M. Martínez
This contribution addresses the relevant question of retrieving, from transmittance data, the optical constants and thickness of very thin semiconductor and dielectric films. The retrieval process...
Minimization Subproblems and Heuristics for an Applied Clustering Problem (2001)
E. G. Birgin, J. M. Martínez, J. M. Mart'inez, D. P. Ronconi
A practical problem that requires the classification of a set of points of IR using a criterion not sensitive to bounded outliers is studied in this paper. A fixed-point (k-means) algorithm is...
Elizari, M.V, Martínez, J.M, Belziti, C, Ciruzzi, M, Pérez De La Hoz, R, Sinisi, A, ...
Aims The objective of this study was to ascertain the effect of intravenous and oral amiodarone on morbidity and mortality in patients during the first hours after the onset of an acute myocardial...
On the Regularization of Mixed Complementarity Problems (1999)
R. Andreani, J. M. Martínez, J. M. Mart'inez, B. F. Svaiter
A variational inequality problem (VIP) satisfying a constraint qualification can be reduced to a mixed complementarity problem (MCP). Monotonicity of the VIP implies that the MCP is also monotone....
Gradient Method With Retards And Generalizations (1999)
A. Friedlander, J. M. Martínez, J. M. Mart Inez, B. Molina, M. Raydan
.<F3.81e+05> A generalization of the steepest descent and other methods for solving a large scale symmetric positive definitive system<F3.441e+05> Ax<F3.81e+05> =<F3.441e+05>...
Caracterización del PIB español a partir de modelos univariantes no lineales (1998)
Martínez, J.M., Espasa, Antoni [espasa]
Publicado
A Very Efficient Distributed Deadlock Detection Mechanism for Wormhole Networks (1998)
Opez Martnez Duato, P. López, J. M. Martínez, J. Duato, Grupo De Arquitecturas Paralelas
Networks using wormhole switching have traditionally relied upon deadlock avoidance strategies for the design of routing algorithms. More recently, deadlock recovery strategies have begun to gain...
A Two-Phase Model Algorithm with Global Convergence for Nonlinear Programming (1998)
J.M. Martínez, J. M. Mart Inez
. The family of feasible methods for minimization with nonlinear constraints includes Rosen's Nonlinear Projected Gradient Method, the Generalized Reduced Gradient Method (GRG) and many variants...
Some New Theoretical Results on Recursive Quadratic Programming Algorithms (1998)
J. M. Martínez, J. M. Mart Inez, L. T. Santos
. Recursive quadratic programming is a family of techniques developed by BartholomewBiggs and other authors for solving nonlinear programming problems. The first-order optimality conditions for a...
Incomplete Decomposition Algorithms for Discrete Dynamic Nonlinear Models (1998)
N. Krejic, V. L. R. Lopes, J.M. Martínez, R. Pérez, J. M. Mart'inez
The problem of solving block triangular nonlinear systems of equations appears in several applications in industrial, social and environmental contexts. Those systems are given by (F 1 (x 1 ); F 2 (x...
A. Friedlander, M.A. Gomes-Ruggiero, D.N. Kozakevich, J.M. Martínez, S.A. Santos
A nonmonotone strategy for solving nonlinear systems of equations is introduced. The idea consists of combining efficient local methods with an algorithm that reduces monotonically the squared norm...
R. Andreani, A. Friedlander, J. M. Martínez, J. M. Mart Inez
. The variational inequality problem is reduced to an optimization problem with a differentiable objective function and simple bounds. Theoretical results are proved, that relate stationary points of...
Fundamentos para una recuperación del crecimiento económico en 1996 (1996)
Espasa, Antoni [espasa], Martínez, J.M
Publicado
Segment-Based Structure from an Imprecisely Located Moving Camera (1995)
J.M. Martínez, J. M. Mart'inez, Z. Zhang, L. Montano
A probabilistic geometric model for 2D image line segments is first presented. We then propose a method, using 2D segments, to accumulate evidence along an image sequence of a polyhedral scene. The...
In the Nevado-Filábride Units of the Eastern Sierra Nevada, the main structure is a mylonitic foliation with a strong stretching lineation. The trend of this 1ineation shows a bimodal orientation...
Martínez, J.M. (dir.), Wiesenthal, Mauricio (introd.)
Enciclopedia de la gastronomía que dedica números monográficos a distintas cocinas nacionales (la biblioteca tiene únicamente los volúmenes 7, 8, 9 y 11). Cada número inicia con un texto...
Martínez, J.M. (dir.), Sánchez Mayáns, Fernando (introd.)
Enciclopedia de la gastronomía que dedica números monográficos a distintas cocinas nacionales (la biblioteca tiene únicamente los volúmenes 7, 8, 9 y 11). Cada número inicia con un texto...
Martínez, J.M. (dir.), Serna, Víctor De La (introd.)
Enciclopedia de la gastronomía que dedica números monográficos a distintas cocinas nacionales (la biblioteca tiene únicamente los volúmenes 7, 8, 9 y 11). Cada número inicia con un texto...
Martínez, J.M. (dir.), Luján, Néstor (introd.)
Enciclopedia de la gastronomía que dedica números monográficos a distintas cocinas nacionales (la biblioteca tiene únicamente los volúmenes 7, 8, 9 y 11). Cada número inicia con un texto...