Evaluating the security of mobile agent platforms (2009)
Bürkle, A., Hertel, A., Müller, W., Wieser, M.
Mobility of software agents requires additional security measures. While the theoretical aspects of mobile agent security have been widely studied, there are few studies about the security levels of...
The German Mouse Clinic: A Platform for Systemic Phenotype Analysis of Mouse Models (2009)
Fuchs, H., Gailus-Durner, V., Adler, T., Pimentel, J. A. A., Becker, L., Bolle, I., ...
Naked Exclusion: Towards a Behavioral Approach to Exclusive Dealing (2009)
Boone, J., Müller, W., Suetens, S.
We report experimental results on exclusive dealing inspired by the literature on "naked exclusion". Our key findings are: First, exclusion of a more efficient entrant is a widespread phenomenon in...
Signaling Without Common Prior: An Experiment (2009)
Drouvelis, M., Müller, W., Possajennikov, A.
The common prior assumption is pervasive in game-theoretic models with incomplete information. This paper investigates experimentally the importance of inducing a common prior in a two-person...
Interoperable sharing of data with the Coalition Shared Data (CSD) server (2009)
In crisis management quick and full situation awareness is essential to enable adequate countermeasures and reactions. Relevant information has to be distributed to agencies and decision makers. To...
Interoperable sharing of data with the Coalition Shared Data (CSD) server (2009)
In crisis management quick and full situation awareness is essential to enable adequate countermeasures and reactions. Relevant information has to be distributed to agencies and decision makers. To...
We report the results of a series of experimental Bertrand duopolies where firms have convex costs. Theoretically these duopolies are characterized by a multiplicity of Nash equilibria. Using a 2x2...
VIRTUAL PROTOTYPING OF SELF-OPTIMIZING MECHATRONIC SYSTEMS (2008)
J. Gausemeier, W. Müller, V. Paelke, J. Bauch, Q. Shen, R. Radkowski
The term mechatronics expresses the mergence of technologies from mechanical engineering, electronics and control design in modern industrial products. These innovative products are based on the...
Collusion through Price Ceilings? In Search of a Focal-Point Effect (2008)
With this study we resume the search for a collusive focal-point effect of price ceilings in laboratory markets. We argue that market conditions in previous studies were unfavorable for collusion...
The Distribution of Harm in Price-Fixing Cases (2008)
Abstract: We consider a vertically related industry and analyze how the total harm due to a price increase upstream is distributed over downstream firms and final consumers. For this purpose, we...
A framework for agent-based human interaction support (2008)
Bürkle, A., Müller, W., Pfirrmann, U., Schenk, M.
In this paper we describe an agent-based infrastructure for multimodal perceptual systems which aims at developing and realizing computer services that are delivered to humans in an implicit and...
Towards a reference architecture for context-aware services (2008)
Bürkle, A., Müller, W., Pfirrmann, U.
This Chapter describes an infrastructure for multi-modal perceptual systems which aims at developing and realizing computer services that are delivered to humans in an implicit and unobtrusive way....
Towards a reference architecture for context-aware services (2008)
Bürkle, A., Müller, W., Pfirrmann, U.
This Chapter describes an infrastructure for multi-modal perceptual systems which aims at developing and realizing computer services that are delivered to humans in an implicit and unobtrusive way....
The distribution of harm in price-fixing cases (2008)
We consider a vertically related industry and analyze how the total harm due to a price increase upstream is distributed over downstream firms and final consumers. For this purpose, we develop a...
Theta Functions for Infinite Period Matrices (2007)
W. Müller, M. Schmidt, R. Schrader
For a certain class of infinite period matrices we construct #-functions. This construction involves a certain renormalization procedure and extends discussions given by Tahara and also by McKean and...
Detection of Artificial Bone and Lung Lesions Using a High Resolution Projector (2007)
M. Fiebich, T. M. Link, W. Strebel, W. Müller, R. R. Vohsbeckpetermann, ...
Introduction The increasing use of digital modalities in radiology, technical developments and lower costs of computer systems make PACS now feasible. For economical and organizational reasons the...
A COHOMOLOGICAL PROPERTY OF FINITE p-GROUPS (2007)
ABSTRACT. We define and study a certain cohomological property of finite p-groups (to be of ‘Frobenius type’), which is implicit in Frobenius ’ theorem (Berl. Sitz. 1895, 981–993) concerning...
Concepts for the 3D database support in GeoToolKit * (2007)
M. Breunig, A. B. Cremers, J. Flören, W. Müller, J. Siebeck
2-D, 3-D and even '4-D ' (spatio-temporal) database queries are one of the most challenging
An Algorithm for Skeletonization of Tubular Structures for Biological Applications (2007)
L. Da F, S. Weninger, W. Müller
An efficient algorithm for generating skeletons of tubular structures, such as neurons and arteries, is presented.
V. Jazbinsek, G. Thiel, G. Wübbeler, W. Müller, Z. Trontelj
Introduction Different types of wounds on plants cause measureable changes in the biochemical and biophysical behaviour of plants. Among them are also electrophysiological changes. Studies using...
A Descent Principle In Modular Subgroup Arithmetic (2007)
Peter Cameron And, Peter J. Cameron, W. Müller
We establish and comment on a surprising relationship between the behaviour modulo a prime p of the number s n (G) of index n subgroups in a group G, and that of the corresponding subgroup numbers...
Some Theory for the Analysis of Random Fields - With Applications to Geostatistics (2007)
Pluch, Philipp, Pilz, J, Müller, W
MSc thesis written under the supervision of Dr. J. Pilz (Klagenfurt University) and Dr. W. Mueller (Linz University) during the FWF Project 'Optimal design of correlated random fields'.
A framework for agent-based human interaction support (2007)
Bürkle, A., Müller, W., Pfirrmann, U., Schenk, M.
In this paper we describe an agent-based infrastructure for multi-modal perceptual systems which aims at developing and realizing computer services that are delivered to humans in an implicit and...
Evaluating mobile agent platform security (2006)
Bürkle, A., Hertel, A., Müller, W., Wieser, M.
Agent mobility requires additional security standards.While the theoretical aspects of mobile agent security have been widely studied, there are few studies about the security standards of current...
Ultrasonic testing of thick walled austenitic welds: Modelling and experimental verification (2006)
Köhler, B., Müller, W., Spies, M., Schmitz, V., Zimmer, A., ...
The testing of austenitic welds is difficult due to the elastically anisotropic properties of the weld grains. Therefore the normal rules for the selection of testing conditions as appropriate wave...
Online monitoring of airborne allergenic particles (OMNIBUSS) (2006)
Scharring, S., Brandenburg, A., Breitfuss, G., Burkhardt, H., Dunkhorst, W., Ehr, M. Von, ...
Dobmann, G., Mletzko, U., Müller, W., Schmitz, V.
Neben austenitischen Schweißnähten sind Mischnähte für die zerstörungsfreie Prüfung eine Herausforderung. Wegen der Stängelkristallstruktur, die bei vertikal oder horizontal geschweißten...
A test suite for the evaluation of mobile agent platform security (2006)
Bürkle, A., Essendorfer, B., Hertel, A., Müller, W., Wieser, M.
Agent mobility requires additional security measures. While the theoretical aspects of mobile agent security have been widely studied, there are few studies about the security levels of current agent...
First operation of a free- electron laser generating GW power radiation at 32 nm wavelength. (2006)
V. Ayvazyan, N. Baboi, J. Bähr, V. Balandin, B. Beutner, ...
Journal article
An agent-based architecture for context-aware services supporting human interaction (2006)
Bürkle, A., Müller, W., Pfirrmann, U., Schenk, M., Dimakis, N., Soldatos, J., ...
In this paper we present an agent-based infrastructure, which provides integration and collaboration of autonomous, context-aware services in a heterogenous environment. Special consideration is...
Zimmermann, S., Wagner, C., Müller, W., Brenner-Weiss, G., Hug, F., Prior, B., ...
Infection and Immunity, 74(2006) S.5687-92
Digital SiGe-chips for data transmission up to 85 Gbit/s (2005)
Wohlgemuth, O., Müller, W., Paschke, P., Link, T., Lederer, R., Kolb, B., ...
Design and performance of a 2:1 multiplexer and 1:2 demultiplexer IC up to 85.4 Gbit/s are presented. The chips are fabricated in an advanced SiGe technology with a cutoff frequency ft of 200 GHz and...
2-1 SiGe PRBS Generator IC up to 86 Gbit/s (2005)
Wohlgemuth, O., Müller, W., Link, T., Lederer, R., Paschke, P.
Design and performance of a high speed 27-1 pseudo random bit sequence (PRBS) generator chip is presented. The circuit operates at a speed up to 86 Gbit/s and is fabricated in an advanced SiGe...
Köhler, B., Spies, M., Schmitz, V., Müller, W., Zimmer, A.
Die Prüfung austenitischer Schweißnähte in dickwandigen Komponenten ist durch die elastisch anisotropen Eigenschaften der sich ausprägenden Stängelkristalle erschwert. Übliche Regeln für die...
Fehlerabbildung in Mischschweißnähten mit einem angepassten SAFT-Algorithmus (2005)
Langenberg, K., Shlivinski, A., Marklein, R., Müller, W., Schmitz, V.
Mischschweißnähte verbinden den ferritischen mit dem (polykristallinen) austenitischen Teil einer Rohrleitung; gegen den ferritischen Teil sind sie oft gepuffert und meist auch noch mit einem...
Introducing the German Mouse Clinic: open access platform for standardized phenotyping (2005)
Gailus-Durner, V., Fuchs, H., Becker, L., Bolle, I., Brielmeier, M., Calzada-Wack, J., ...
Interpretation von Messdaten mit SAFT an Austenit- und Mischnähten (2004)
Müller, W., Schmitz, V., Mletzko, U.
Measurements had been carried out at the PWE-nozzle no. 92 of the full scale pressure vessel at the MPA at Stuttgart using the synthetic aperture focusing technique SAFT to detect and analyze...
Schmitz, V., Müller, W., Staudt, J., Schäfer, G., Chakhlov, S.
Basierend auf dem Konzept kleiner Prüfköpfe und 3D-SAFT wurde eine mobile Anlage zur Ultraschall-analyseprüfung realisiert. Ziel der Analyse ist vorwiegend die Prüfung dickwandiger Bleche von 60...
Imaging of cracks and honeycombing in concrete elements (2004)
Krause, M., Mielentz, F., Milmann, B., Müller, W., Schmitz, V.
For several years BAM (Federal Institute for Materials Reserach and Testing) and Fraunhofer Institute for non-destructive testing co-operate successfully in the area of ultrasonic concrete inspection...
Untersuchung alternativer bzw. ergänzender Reinigungsmethoden (2004)
Römich, H., Torge, M., Adam, K., Müller, W., Feldmann, I., Möhrle, G.
Synthetic aperture focusing technique for industrial applications (2004)
Detection and evaluation of defects rely strongly on ultrasonic inspection techniques in the data acquisition procedure and the processing technique. The performance of those techniques can be...
Digital conversational storytelling elements for teaching mathematics in primary school (2004)
Spierling, U., Müller, W., Vogel, R., Iurgel, I.
This paper reports on an initiative to develop a multimedia learning environment for mathematics, with spoken language and dialogues as the central way of interaction. The work is currently being...
Replikation komplexer Optikflächen in Kunststoff und Glas (2004)
Böhme, D., David, S., Müller, W., Hug, M., Manns, P.
Im Forschungsprojekt 'Fino' suchen Wissenschaftler und Ingenieure nach Methoden, präzise asphärische, asymmetrische optische Flächen in Kunststoff und Glas herzustellen. Die Identifikation...
Visual component analysis (2004)
We propose to integrate information visualization techniques with factor analysis. Specifically, a principal direction derived from a principal component analysis (PCA) of the data is displayed...
Operation of ASDEX Upgrade with Tungsten coated walls (2003)
Rohde, V., Neu, R., Dux, R., Geier, A., Gong, X., Kallenbach, A., ...
An alternative for low-Z materials in the main chamber of a future fusion device are high-Z materials, but the maximal tolerable concentration in the plasma core is restricted. A step by step...
Ultraschallabbildungsverfahren in der Betonprüfung (2003)
Abplatzungen in Rohren aus Beton bzw. Risse können zur Infiltration, Exfiltration oder zum Bruch der Rohrleitungen führen. Um Betreiberverpflichtungen z.B. von Abwasserkanälen zu erfüllen,...
Ultrasonic imaging of concrete elements: State of the art using 2D synthetic aperture (2003)
Krause, M., Mielentz, F., Milmann, B., Streicher, D., Müller, W.
Since several years ultrasonic imaging techniques are used for testing concrete elements. Combined with a reconstruction calculation they lead to an acoustic imaging of scatterers and reflectors from...
Parameters for the quantitative assessment of ultrasonic imaging for concrete elements (2003)
Streicher, D., Krause, M., Kohl, C., Schickert, M., Kroggel, O., Müller, W.
Ultrasonic investigation is an established non-destructive testing method for detection of defects and material characterisation. In the last years scanning ultrasonic echo methods were developed...
Schickert, M., Krause, M., Müller, W.
Ultrasonic reconstruction by the synthetic aperture focusing technique (SAFT) has a great potential to image concrete elements and detect embedded objects. Its algorithm focuses ultrasonic signals...
Cooperative learning in net-based scenarios is often conducted using synchronous communication tools such as text-based chat. Knowledge acquisition by exchanging textual contributions frequently...
Emeis, S., Münkel, C., Vogt, S., Müller, W., Schäfer, K.
Walter, H. [Hrsg.]
Applying decision tree methodology for rules extraction under cognitive constraints (2002)
Within this paper the initialization phase of the cognitive management for anthropocentric production systems (COMAPS) project (BRITE-EURAM BE 96-3941) is presented. The entire COMAPS-system is an...
Müller, W., Schmitz, V., Krause, M., Wiggenhauser, H.
At the beginning of the 90s the general opinion was, that ultrasonic inspection methods using pulse-echo technique were not suitable for the inspection of concrete because of the inhomogeneity and...
Streicher, D., Krause, M., Kroggel, O., Schickert, M., Müller, W.
Ultraschallecho an Beton - Definition von Kenngrößen zur Beurteilung der Leistungsfähigkeit von bildgebenden Durch die Entwicklung verschiedener Longitudinal- und Transversalwellenprüfköpfe, der...
Schmitz, V., Müller, W., Chakhlov, S.
In sizing defects, tomographic methods such as the Synthetic Aperture Focusing Technique (SAFT) can be used here the time of flight of the received ultrasonic signals plays is more important than the...
Müller, W., Blender, R., Fraedrich, K.
Idealised global circulation model simulations with circumpolar and localised (one and two) storm tracks are re-analysed to determine scaling, intermittency and phase-space structures. In a hundred...
Müller, W., Blender, R., Fraedrich, K.
Idealised global circulation model simulations with circumpolar and localised (one and two) storm tracks are re-analysed to determine scaling, intermittency and phase-space structures. In a hundred...
Visualizing Time-Series on Spirals (2001)
Weber, M., Alexa, M., Müller, W.
In this paper, we present a new approach for the visualization of time-series data based on spirals. Different to classical bar charts and line graphs, the spiral is suited to visualize large data...
Spierling, U., Müller, W., Alexa, M., Rieger, T.
With the introduction of software agents and assistants, the concept of so-called social user interfaces evolved, incorporating natural language interaction, context awareness and anthropomorphic...
This book constitutes the refereed proceedings of the Third International Workshop on Learning Software Organizations, LSO 2001, held in Kaiserslautern, Germany, in September 2001. The twelve revised...
Ultrasonic imaging of concrete members using an array system (2001)
Krause, M., Mielentz, F., Milman, B., Müller, W., Schmitz, V., Wiggenhauser, H.
The use of an ultrasonic array system is described, which can be used combined with 3D reconstruction calculations. In this way ultrasonic reflection and backscatter from the inside of concrete...
Analyse der Anwendungsmöglichkeiten von Non-Photorealistic Rendering Techniken (2001)
Die Arbeit untersucht die Eigenschaften von sog. ,,Non-Photorealistic Rendering''-Techniken (NPR), und versucht neue Potentiale der Anwendungsmöglichkeiten dieser aufzuzeigen. NPR-Techniken sind...
W. Müller, U. Spierling, M. Alexa, Th. Rieger
interfaces, facial animation, behavioral animation. With the introduction of software agents and assistants, the concept of so-called social user interfaces evolved, incorporating natural language...
New Methods for Topological Clustering and (2001)
Spatial Access In, M. Breunig, A. B. Cremers, W. Müller, J. Siebeck
The data handling component of today's geographical information systems still only considers the management of two-dimensional data. However, in the geosciences as well as in commercial planning...
Alexa, M., Müller, W., Spierling, U., Rieger, T.
With the introduction of software agents and assistants, the concept of so-called social user interfaces evolved, incorporating natural language interaction, context awareness and anthropomorphic...
Gerfelder, N., Spierling, U., Müller, W.
The metaphor of a 'desktop' as a user interface was useful for the migration from mainframe applications to personal computers. But it must be re-evaluated when thinking about new concepts and...
Design issues for conversational user interfaces: Animating and controlling 3D faces (2000)
Müller, W., Spierling, U., Alexa, M., Iurgel, I.
Software agents and assistants together with their adequate visual representations lead to so-called social user interfaces, incorporating natural language interaction, context awareness and...
Naturwissenschaft im Dienst der Restaurierung (2000)
Müller, W., Torge, M., Adam, K., Römich, H., Weißmann, R., Drewello, R.
Welches Festigungsmittel eignet sich?: Experimentelle Forschungen an der BAM und am ISC (2000)
Müller, W., Kruschke, D., Köcher, C., Pilz, M., Römich, H., Troll, C.
Alexa, M., Müller, W., Spierling, U., Rieger, T.
With the introduction of software agents and assistants, the concept of so-called social user interfaces evolved, incorporating natural language interaction, context awareness and anthropomorphic...
Encarnação, L.M., Müller, W., Osterweis, L., Thornton, P.
The International Certificate Program for New Media (ICPNM) has been developed by Fraunhofer CRCG in cooperation with the Rhode Island School of Design/Continuing Education (RISD) for international,...
Ultrasonic Imaging of Concrete Members using an Array System (2000)
Krause, M., Milman, B., Wiggenhauser, H., Müller, W., Schmitz, V.
The use of an ultrasonic array system is described, which can be used combined with 3D reconstruction calculations. In this way ultrasonic reflection and backscatter from the inside of concrete...
Systematic Population, Utilization and Maintenance of a Repository for Comprehensive Reuse (2000)
Birk, A., Hartkopf, S., Müller, W., Nick, M., Surmann, D., ...
Ultrasonic Imaging of Concrete Members using an Array System (2000)
Krause, M., Milman, B., Wiggenhauser, H., Müller, W., Schmitz, V.
The use of an ultrasonic array system is described, which can be used combined with 3D reconstruction calculations. In this way ultrasonic reflection and backscatter from the inside of concrete...
Ultrasonic Imaging of Concrete Members using an Array System (2000)
Krause, M., Milman, B., Wiggenhauser, H., Müller, W., Schmitz, V.
The use of an ultrasonic array system is described, which can be used combined with 3D reconstruction calculations. In this way ultrasonic reflection and backscatter from the inside of concrete...
The injection moulding of fine structurized optical surfaces (2000)
Hommel, B., Kießling, H., Müller, W.
An important prerequisite for the large-scale industrial use of new microsystems with micromechanical, microelec-tronical and microoptical components is the possibility of low - cost production of...
KM-PEB: An Online Experience Base on Knowledge Management Technology (2000)
Müller, W., Nick, M., Snoek, B.
We present a framework for assessing knowledge management (KM) technology that has been validated by using more than twenty well-known tools. Based on a commercial case-based reasoning (CBR) tool,...
Alexa, M., Behr, J., Müller, W.
We discuss potential and limitations of a Morph Node, inspired by the corresponding construct in Java3D. A Morph Node in Java3D interpolates vertex attributes among several homeomorphic geometries....
Representing Animations by Principal Components (2000)
In this paper, we present a representation for three-dimensional geometric animation sequences. Different from standard key-frame techniques, this approach is based on the determination of principal...
Ein flexibles Präsentationssystem für animierte User-Interface-Agenten und Avatare (2000)
Müller, W., Alexa, M., Rieger, T., Braun, N.
Im Rahmen der Entwicklung und Gestaltung von Systemen, die eine natürlichere Mensch-Maschine-Interaktion als bisher weitverbreitete Schnittstellen auf Basis des Paradigma des Direct Manipulation...
Effektiver Einsatz grundlegender Darstellungsprimitive zur Informationsvisualisierung (2000)
In dieser Dissertation wird den Fragestellungen der Qualität und nach Qualitätssteigerung von Visualisierungen nachgegangen. Das Ziel dieser Arbeit ist es dabei auf der einen Seite...
Prototyping einer Fahrzeugsteuerung in virtueller 3D-Umgebung (2000)
Braatz, A., Flake, S., Müller, W., Westkämper, E.
Prototyping mit 3D-Modellen in virtueller Umgebung ist eine kostengünstige Alternative zur Entwicklung von physikalischen Modellen und Mock-ups. Für einige Anwendungen ergeben sich erhebliche...
Experiences with Synthetic Aperture Focusing Technique in the Field (2000)
Schmitz, V., Chakhlov, S., Müller, W.
The detection and evaluation of defects in industrial components relies strongly on ultrasonic inspection techniques. Distance grain size (DG) or reference reflector methods can be improved...
Computer Aided Surgery Vision and Feasibility of an Advanced Operation Theater (2000)
S. Großkopf, A. Hildebrand, R. Malkewitz, W. Müller, R. Ziegler, ...
The aim of several projects at the Fraunhofer Institute for Computer Graphics is the development of new analysis, visualization and interaction tools and their integration into an advanced operating...
Brodmann, P, Pietsch, K, Pauwels, J, Anklam, E, Börchers, T, ...
This paper presents results of a collaborative trial study (IUPAC project No. 650/93/97) involving 29 laboratories in 13 countries applying a method for detecting genetically modified organisms...
Managing Software Engineering Experience for Comprehensive Reuse (1999)
Birk, A., Hartkopf, S., Müller, W., Nick, M., Surmann, D., ...
Today's software developments are faced with steadily increasing expectations: software has to be developed faster, better, and cheaper. At the same time, application complexity increases....
Virtual cutting of anatomical structures (1999)
Voß, G., Hahn, J.K., Müller, W., Lindemann, R.
In the context of medicine cutting is one of the most important operations. Many surgical tasks start with an incision, allowing the surgeon to access the region of interest, using either...
Spannkanaluntersuchungen mit bildgebendem Ultraschallecho-Verfahren (1999)
Krause, M., Wiggenhauser, H., Müller, W., Mielentz, F., Milman, B.
Die Anwendung eines bildgebenden Ultraschallecho-Verfahrens zur zerstörungsfreien Ortung von Verpreßfehlern und Verdichtungsmängeln in und um Spannkanäle wird beschrieben. Ergebnisse an...
Krause, M., Wollbold, F., Müller, W., Neisecke, J., Hillger, W., Kapphahn, G., ...
Im Mai 1993 erschien erstmals das DGZfP-Merkblatt B4 unter dem Titel "Merkblatt für das Ultraschall-Impuls-Verfahren zur Zerstörungsfreien Prüfung mineralischer Baustoffe und Bautelie" erarbeitet...
Managing Software Engineering Experience for Comprehensive Reuse (1999)
Birk, A., Hartkopf, S., Müller, W., Nick, M., Surmann, D., ...
Today's software developments are faced with steadily increasing expectations: software has to be developed faster, better, and cheaper. At the same time, application complexity increases. Meeting...
Visualization by Examples: Mapping Data to Visual Representations using Few Correspondences (1999)
In this paper we propose a new approach for the generation of visual scales for the visualization of scalar and multivariate data. Based on the specification of only a few correspondences between the...
Using Case-Based Reasoning for Supporting Continuous Improvement Processes (1999)
Bomarius, F., Müller, W., Nick, M.
The goal of the IPQM project a collaboration of the Fraunhofer Institute for Manufacturing Engineering and Automation (IPA) in Stuttgart and the Fraunhofer Institute for Experimental Software...
Synthetic Aperture Focussing Technique: State of the Art (EUR) (1999)
Schmitz, V., Müller, W., Chakhlov, S.
The "Synthetic Aperture Focusing Technique" is applied to analyze defects by a remote controlled ultrasonic equipment. Examples are shown to demonstrate the advantages over conventional approaches....
Spritzgießen feinstrukturierter optischer Oberflächen (1999)
Hommel, B., Kiessling, H., Palme, M., Müller, W.
Die Herstellung optischer Flaechen mit feinsten Strukturen - dazu gehoeren Wellenleiter, optische Gitter, Faserkoppelnuten oder Fresnellinsen - war bisher kosten- und zeitintensiv. Die Praezisions-...
Morphing is a well known technique to generate smooth transitions between two objects. We propose a more general understanding of morphing: First, we use morphing to describe objects as a composite...
Managing Software Engineering Experience for Comprehensive Reuse (1999)
Birk, A., Hartkopf, S., Müller, W., Nick, M., Surmann, D., ...
Today's software developments are faced with steadily increasing expectations: software has to be developed faster, better, and cheaper. At the same time, application complexity increases. Meeting...
Morphing is a well known technique to generate smooth transitions between two objects. We propose a more general understanding of morphing: First, we use morphing to describe objects as a composite...
VRTP: Protokoll für verteilte virtuelle Welten: Scheinbar vereinbar (1998)
Der Cyberspace wächst zwar von Tag zu Tag, läßt sich aber bisher nur unzureichend verteilen. Ein Ansatz, die Interaktion verschiedener VR - Welten zu verbessern, ist das Virtual Reality Transfer...
Visualization by Metamorphosis (1998)
This paper proposes the use of metamorphosis-techniques to visualize parametric data. Metamorphosis-techniques provide a way to generate smooth transitions of one object into another, a process...
Luckas, V., Dörner, R., Schäfer, A., Müller, W.
In this paper we show how the Virtual Reality Modeling Language VRML (ISO/IEC standard 14772) can be used for 3D visualization of discrete simulation data. This is accomplished by using certain...
PC-based Systems for Ultrasonic and Eddy Current NDT (1998)
Dobmann, G., Dalichow, M.H., Kröning, M., Schmitz, V., Müller, W., Becker, R.
Now is the time to inroduce new quantitative NDT techniques, new evaluation procedures that use improved flaw sizing techniques and have linkage to fracture and/or fatigue mecahnics. These techniques...
Objective Quality Estimation for Digital Images in Multimedia Environments (1998)
In the context of multimedia and hypermedia systems, the aspects of image quality measurement and guarantee are gaining increasingly in importance. To achieve this goal, two tasks have to be...
NDE of Tendon Ducts in Concrete using 3D-SAFT (1998)
Krause, M., Wiggenhauser, H., Müller, W., Schmitz, V.
Prestressed or post-tensioned concrete structures are vulnerable to hazardous corrosion, if the tendon ducts are not fully injected with grout. Also compaction faults reduce the concrete strength....
An Efficient Object-Oriented Authoring and Presentation System for Virtual Environments (1998)
Müller, W., Dörner, R., Luckas, V., Schäfer, A.
In this paper we describe the design and implementation of a multi-purpose object-oriented authoring system for interactive virtual environments and presentations, semi-interactive 3D visualization,...
Darstellung eines Beispiels für die quantitative ZfP (1998)
Schmitz, V., Müller, W., Chakhlov, S.
The application of reconstructing algorithms like the Ultrasonic Synthetic Aperture Focussing Method allows to image defects in components. How close an "image" approaches the shape of a "real...
QZFP an Schweißverbindungen mittels 3D-CAD-SAFT (1998)
Schmitz, V., Chakhlov, V., Müller, W.
Die Anwendung von rekonstruierenden Verfahren bei der Ultraschallprüfung gestattet es, Angaben über die Größe und Orientierung von Materialfehlern zu treffen. Die exakte Position wird bisher...
Intelligente Werkzeuge für das Office 2005. Jahresbericht 1997 (1997)
Höppner, S., Krömker, D., Müller, W., Pipke, K., Spierling, U., Blechschmitt, E., ...
Blauel, J.G., Burget, W., Müller, W., Schmitz, V.
Belastbare Aussagen über die Sicherheit von Bauteilen werden nur dann erzielt, wenn eine ganzheitliche Betrachtung und Optimierung der verschiedenen Phasen der Bauteilbewertung - Prüfplanung,...
Ein neues Verfahren für Puls-Echo-Ultraschallmessungen in stark streuenden Werkstoffen (1997)
Köhler, B., Hentges, G., Müller, W.
Vorgestellt wird eine Kombination verschiedener Methoden, mit dem Ziel die Effizienz von Ultraschall-Puls-Echo Messungen zu erhöhen. Das Verfahren beinhaltet: die Verwendung konditionierter Signale...
A Java-based VRML 2.0-Browser: CASUS Presenter (1997)
Schäfer, A., Müller, W., Luckas, V.
This paper introduces CASUS presenter, a VRML 2.0 based presentation tool developed at Fraunhofer IGD, Darmstadt. CASUS Presenter supports interactive 3D visualization of simulation data, making use...
Interpretation von Ultraschall-Abbildungen (1997)
Kröning, M., Müller, W., Schmitz, V.
During the evaluation of ultrasonic images, e.g. SAFT-reconstructed B-scan images (SAFT=Synthetic Aperture Focusing Technique) it is often difficult to decide, what is the origin of reconstructed...
Evaluation and interpretation of SAFT images (1997)
A case study has been performed to get insight in different defect interpretation strategies. It was felt that, before comparing experimental results of unknown defects with simulated results of...
Darstellung von Radarsignaturen bewegter Objekte zur bildgestützten Überwachung (1997)
Hardt, M., Müller, W., Geisler, J.
Ein Konzept zur Darstellung von MTI-Meßdaten für die interaktive Weiterverarbeitung ist zu erstellen und exemplarisch zu implementieren. Im Vordergrund steht eine benutzungsfreundliche Oberfläche...
CASUS Presenter: A High-performance VRML-2.0 Browser based on Java (1997)
Luckas, V., Müller, W., Schäfer, A.
CASUS presenter is a general purpose VRML 2.0 browser and presentation tool developed at Fraunhofer IGD, Darmstadt, which is tailored to these coming application scenarios. CASUS Presenter was...
Do cells repair precancerous lesions induced by radiation? (1997)
Yakovlev, A., Müller, W., Pavlova, L., Polig, E.
Mathematical Biosciences, 142(1997) S.107-17
Mathematical vs. Experimental Stress Analysis of Inhomogeneities in Solids (1996)
The intent of this paper is to apply the discrete Fourier transform to the computation of eigenstress and eigenstrain fields around heterogeneities in composite materials. To this end the discrete...
Intelligente Werkzeuge für das Office 2005. Zwischenbericht 1996 (1996)
Förster, M., Gerfelder, N., Höppner, S., Krömker, D., Loseries, F., Müller, W., ...
Objective quality estimation for digital images and video streams (1996)
In the context of multimedia and hypermedia systems, the aspects of image quality are gaining increasingly in importance. Two tasks have to be fulfilled. First, a suitable quality level of a visual...
adVISer - application of a visualization paradigm to multimedia design (1996)
Spierling, U., Koop, T., Müller, W.
The problem of how to find an appropriate design for a user interface for hypermedia applications has certain similarities with the problem of finding a suitable visualization for data and...
Mathematical vs. Experimental Stress Analysis of Inhomogeneities in Solids (1996)
The intent of this paper is to apply the discrete Fourier transform to the computation of eigenstress and eigenstrain fields around heterogeneities in composite materials. To this end the discrete...
Mathematical vs. Experimental Stress Analysis of Inhomogeneities in Solids (1996)
The intent of this paper is to apply the discrete Fourier transform to the computation of eigenstress and eigenstrain fields around heterogeneities in composite materials. To this end the discrete...
Bönning, D., Gerfelder, N., Höfling, S., Krömker, D., Müller, W., Neuss, C., ...
In diesem Bericht werden Arbeiten und Ergebnisse des 2. Projektjahres des Projektes "High Definition Multimedia-Systeme im Office 2000" zusammengefasst. Ausgehend von einer Beschreibung der...
Computer-Augmented Environments - "Das Büro der Zukunft" (1995)
Gerfelder, N., Müller, W., Horz, J., Kappus, S.
Computer-Augmented Environments streben das Ziel an, Computertechnologien mit der physikalischen Welt zu verschmelzen, anstatt eine künstliche Welt (Virtual Reality) durch den Einsatz von...
Ultraschall- und Durchstrahlungsprüfung keramischer Bauteile (1995)
Maisl, M., Buck, J., Müller, W., Netzelmann, U.
This contribution discusses the inspection of ceramic components using high frequency ultrasound and radiographic methods. Results of different nondestructive testing methods (ndt) - digital...
Maisl, M., Müller, W., Netzelmann, U.
This contribution discusses the inspection of ceramic components by high frequency ultrasound, radiography, and computed tomography (CT). It compares the results of the different nondestructive...
Quality Aspects in Multimedia Applications (1995)
Gerfelder, N., Müller, W., Schmücker, J.
Multimedia systems and techniques are being applied more and more in various forms in various areas of daily life. As one result of this development media streams are used in different application...
Comparison of pulse-echo-methods for testing concrete (1995)
Krause, M., Bärmann, R., Müller, W., Schmitz, V.
Pulse-echo methods (Radar, Impact-Echo, Ultrasonic Impulse-echo) and simulation of wave propagation are applied for testing concrete specimens with metal ducts. The results of nondestructive testing...
This paper outlines an approach for generating a series of optimal control actions in processes, which cannot (or can only partly) be modelled mathematically, by combining learning with problem...
Pen-based Interfaces in Engineering Environments (1995)
This paper describes our engineering subenvironment, the EXPRESS modeling environment, the design issues of using gestural interfaces for editing EXPRESS-G diagrams.
Kronimus, B., Müller, W., Pentinghaus, H.J.
Interner Bericht 21.03.02/10A (Juli 94)
Laser studies of the decay chain of metastable antiprotonic helium atoms (1994)
Hayano, R S, Maas, F E, Torii, H A, Morita, N, Kumakura, M, Yamazaki, T, ...
Shape from Texture unter dem Aspekt des Visual Computing (1994)
In the area of image analysis, many different strategies are used to derive shape from an image or image swquences, i.e. Shape from Stereo, Shape from Motion, Shape from Shading, Shape from Texture,...
Shape from Texture - An Evaluation of Visual Cues (1994)
In this paper an integrated approach is presented to understand and control the influence of texture on shape perception. Following Gibson's hypotheses, which states that texture is a mathematically...
We propose an approach to the integration of image analysis, computer vision and computer graphics. After motivating our work, we examine different techniques of the above mentioned areas. Within our...
Automatic construction of decision trees for classification (1994)
An algorithm for learning decision trees for classification and prediction is described which converts realvalued attributes into intervals using statistical considerations. The trees are...
Spataro, V., Pedrinis, E., Müller, W.
Background The main purpose of the study was to describe early gastric cancer (EGC) epidemiology in the population of Ticino, Switzerland (about 280,000 inhabitants) over the period 1981-1990, as...
Kooperation auf dem Gebiet der MIC zwischen KfK und Uni Tübingen. (1994)
Voges, U., Lange, T., Buess, G., Dautzenberg, P., Müller, W.
6th Internat.Meeting of the Society for Minimally Invasive Therapy (SMIT), Berlin, October 2-4, 1994
Morita, N, Kumakura, M, Yamazaki, T, Widmann, E, Masuda, H, Sugai, I, ...
PCSAFT ein zweikanaliges Ultraschallprüfsystem (1993)
Schmitz, V., Müller, W., Höh, F.
Zerstörungsfreie Ultraschallprüfverfahren finden Anwendung in der Entwicklung und Fertigung industrieller Produkte und bei der Anlagen- und Prozeßüberwachung. Das Ergebnis der Fehlerprüfung ist...
Machine learning by constructing decision trees including cost functions (1993)
Machine learning is now in a state to get major industrial applications. The most important application fields are diagnosis and prediction being special forms of classification. One approach to...
Die Ultraschallprüfung zeigt sich bei der CFK-Prüfung empfindlich für Faserschnitte, Delaminationen und Inhomogenitäten des Faser-Matrix-Verbundes. Durch Einsatz synthetischer Aperturverfahren...
Müller, W., Schmitz, V., Kapitza, H.
Using common filter techniques well known from professional image analysis software is not very useful for ultrasonic images, because the information content of these images is quite poor as an...
Advanced R and D topics on animation and scientific visualization (1993)
Encarnação, J.L., Englert, G., Haas, S., Klement, E., De Martino, J.M., Krömker, D., ...
Since its beginning in the early thirties, animation has been an application in its own right. Nowadays animation provides a set of tools, or is the basic technology for several other applications of...
Advanced object-oriented methods and concepts for simulations of multi-body systems (1993)
A common way to simulate the motion and behaviour of a complex system is to approximate it with a multi-body system based on particles, and to evaluate the particle interactions over time. Normally,...
TexME ist ein integriertes System zur flexiblen Generierung, Visualisierung, Verwaltung und Archivierung von Texturen und Materialbeschreibungen. Damit ist TexME das erste System, das den Anwender in...
Synthetic aperture focussing technique - State of the art (1992)
Müller, W., Schäfer, G., Schmitz, V.
Der Beitrag gibt einen internationalen Überblick über die Varianten des Abbildungsverfahrens "Synthetic Aperture Focussing Technique = SAFT". Die Realisierung des Algorithmus erfolgt hierbei sowohl...
A flexible architecture for distributed shop floor control systems (1992)
Mertins, K., Krause, H., Steinberger, V., Albrecht, R., Müller, W.
In a flexible manufacturing environment the use of distributed, networked computers is growing. For control software it is necessary to keep pace with this development. Powerful mechanisms for...
Advanced object-oriented methods and concepts for simulations of multi-body systems (1991)
The quest for "realism" in the creation of computer generated imagery has led to different solutions with different levels of sophistication. The integration of these solutions in a homogeneous...
Manipulatorsystem for the redevelopment of gaps in bricks sewers (1991)
In the very moment only small sewers can automatically be renewed. Large brick sewers as we can find in nearly every big town are upt to now repaired manually. Therefore the company HOCHTIEF and the...
Bei der Ultraschallprüfung von Flugzeugturbinen-Bauteilen müssen Einschüsse mikroskopischer Größe sicher detektiert und bewertet werden. Hierzu werden hochfokussierte Prüfköpfe im...
Detection and sizing in turbine rotors with acoustic imaging methods (1991)
Müller, W., Schäfer, G., Schmitz, V.
Fehler in Turbinenrotoren mit Durchmessern zwischen 850 mm und 1900 mm wurden mit dem Analyseverfahren "Synthetische Aperatur = SAFT" untersucht, mit dem Ziel Cluster von Fehlern aufzulösen, ihre...
An Object-Oriented Implementation of the fast Multipole Method (1990)
The visualization and simulation of physical processes and the modelling of natural phenomena plays an increasing role in computer science. More and more the computer is used to simulate and to...
Wirkungsweise bildverarbeitender Methoden auf typische Prüfprobleme der Reaktorsicherheit (1990)
Fortschrittlichee Ultraschall-Prüfverfahren erreichen durch Rückrechnung der gemessenen Echos eine bildliche Darstellung der Reflektoren im Material (rekonstruiertes B-Bild bzw. C-Bild). Am...
PC-SAFT mit LLT-Prüfköpfen (1990)
Berger, M., Gebhardt, W., Müller, W., Schmitz, V., Walte, F.
In den letzen 3 Jahren wurde im IzfP ein neues Ultraschallprüfverfahren zum Nachweis und zur Größenbestimmung von vorwiegend senkrecht zur Oberfläche orientierten Rissen in planparallelen...
Verbindungen zwischen Metall und Kunststoff (1989)
Michaeli, W., Imhoff, R., Herziger, G., Müller, W.
In co-operation with the "Institut für Kunststoffverarbeitung (IKV)" the "Fraunhofer-Institut für Lasertechnik (ILT)" succeded in welding a metal sheating for force introduction in GFK-plate spring...
US-Prüfung in der Anlagentechnik am Beispiel der Turbinenwellenprüfung (1989)
Thumser, D., Müller, W., Schmitz, V.
Im heutigen Energiemaschinenbau werden geschmiedete Wellen für Generatoren und Turbinen benötigt, die höchste Anforderungen an die mechanischen Eigenschaften und die Freiheit von Ungänzen...
Ultrasonic field modelling for complex shaped aerospace (1989)
Ultrasonic inspection of highly-stressed jet-engine components is normally carried out using the immersion technique. To ascertain their strength potential, especially in highly-stressed areas,...
Laser verschweißt Metall auf GFK (1989)
Michaeli, W., Imhoff, R., Müller, W.
Im Rahmen des von der Deutschen Forschungsgemeinschaft (DFG) geförderten Sonderforschungsbereiches 332 "Produktionstechnik für Bauteile aus nichtmetallischen Faserverbundwerkstoffen" wurde ein...
Defects diagnosis in forged rotors by means of ultrasonic imaging methods (1989)
Nussmüller, E., Bauer, R., Müller, W., Schmitz, V.
As turbine diagnosis aims at localizing and differentiating the size and distribution of pointlike inclusions with maximum possible lateral resolution, all relevant ultrasonic echoes diffracted or...
MAGNETIC BEHAVIOUR OF ISOLATED NICKEL AND COPPER IMPURITIES IN ALKALI ELEMENTS (1988)
Kowallik, R., Bertschat, H., Biedermann, K., Haas, H., Müller, W., Spellmeyer, B., ...
The magnetic behaviour of isolated nickel and copper impurities in various alkali elements is studied via hyperfine field measurements using the PAD-method. The Ni impurities exhibit strong local...
ORBITAL CONTRIBUTION TO THE MAGNETIC HYPERFINE FIELD OF ISOLATED Ni IMPURITIES IN Pd (1988)
Müller, W., Bertschat, H., Haas, H., Spellmeyer, B.
The temperature, magnetic field and concentration dependence of the magnetic hyperfine field of Ni impurities in Pd and PtPd alloys were determined by measuring the Larmor frequency shift of isomeric...
Ultrasonic weld inspection with synthetic aperture focussing techniques -SAFT- (1988)
SAFT was originally developed by the University of Michigan. The work was continued by Southwest Research Institute and Batelle Pacific Northwest Laboratory. The method was adapted by IzfP and with a...
Ultraschallprüfung mit synthetischen Aperturverfahren -SAFT- (1988)
Müller, W., Schäfer, G., Schmitz, V.
Es wird die Leistungsfähigkeit des abbildenden Ultraschallprüfverfahrens SAFT zur möglichst genauen Bestimmung der Fehlerposition, Fehlerausdehnung, Schräglage und Form beschrieben. Nach der...
Entwicklung einer Ultraschall-Prüftechnik für schwere Schmiedestücke des Elektromaschinenbaus (1988)
Müller, W., Schäfer, G., Schmitz, V.
Im heutigen Energiemaschinenbau werden geschmiedete Wellen fuer Generatoren und Turbinen benoetigt, an die aufgrund ihrer Beanspruchung hoechste Anforderungen hinsichtlich der mechanischen...
Advanced ultrasonic inspection techniques analyze the defects performing a reconstruction which results in an image or the defects. A characterization of the defects is possible including a...
MAGNETIC BEHAVIOUR OF ISOLATED NICKEL AND COPPER IMPURITIES IN ALKALI ELEMENTS (1988)
Kowallik, R., Bertschat, H., Biedermann, K., Haas, H., Müller, W., Spellmeyer, B., ...
The magnetic behaviour of isolated nickel and copper impurities in various alkali elements is studied via hyperfine field measurements using the PAD-method. The Ni impurities exhibit strong local...
ORBITAL CONTRIBUTION TO THE MAGNETIC HYPERFINE FIELD OF ISOLATED Ni IMPURITIES IN Pd (1988)
Müller, W., Bertschat, H., Haas, H., Spellmeyer, B.
The temperature, magnetic field and concentration dependence of the magnetic hyperfine field of Ni impurities in Pd and PtPd alloys were determined by measuring the Larmor frequency shift of isomeric...
MAGNETIC BEHAVIOUR OF ISOLATED NICKEL AND COPPER IMPURITIES IN ALKALI ELEMENTS (1988)
Kowallik, R., Bertschat, H., Biedermann, K., Haas, H., Müller, W., Spellmeyer, B., ...
The magnetic behaviour of isolated nickel and copper impurities in various alkali elements is studied via hyperfine field measurements using the PAD-method. The Ni impurities exhibit strong local...
ORBITAL CONTRIBUTION TO THE MAGNETIC HYPERFINE FIELD OF ISOLATED Ni IMPURITIES IN Pd (1988)
Müller, W., Bertschat, H., Haas, H., Spellmeyer, B.
The temperature, magnetic field and concentration dependence of the magnetic hyperfine field of Ni impurities in Pd and PtPd alloys were determined by measuring the Larmor frequency shift of isomeric...
Myrtek, M., Bruegner, G., Fichtler, A., König, K., Müller, W., Foerster, F., ...
Heart rate is a well-established indicator of emotional arousal and can serve to detect emotional events. One difficulty, however, is in separating emotional heart rate increases from those increases...
Oberflächenveredelung von Metallen durch Laserstrahlen (1985)
Dausinger, F., Gillner, A., Müller, W., Roda, E.v., Wissenbach, K., Herziger, G., ...
Reconstruction by the synthetic aperture focussing technique SAFT (1985)
Müller, W., Schäfer, G., Schmitz, V.
A I-dimensional (line-) version of the synthetic aperture focussing technique (LSAFT) was developed at the IzfP during the last 3 years. Experiences and results of this research work are presented...
Müller, W., Schäfer, G., Schmitz, V.
Synthetic aperture methods are used to achieve an almost reliable and precise image critical material defects like inner or surface connected, single or branched cracks. To estimate the quality of...
Kniffler, N., Müller, W., Pirrung, J., Hänisch, N., Schröder, B., Geiger, J.
Amorphous silicon films have been prepared by ultra-clean evaporation and sputter technique enclosing different amounts of hydrogen into the films. The dark conductivity of both types of films can be...
Kniffler, N., Müller, W., Pirrung, J., Hänisch, N., Schröder, B., Geiger, J.
Amorphous silicon films have been prepared by ultra-clean evaporation and sputter technique enclosing different amounts of hydrogen into the films. The dark conductivity of both types of films can be...
Kniffler, N., Müller, W., Pirrung, J., Hänisch, N., Schröder, B., Geiger, J.
Amorphous silicon films have been prepared by ultra-clean evaporation and sputter technique enclosing different amounts of hydrogen into the films. The dark conductivity of both types of films can be...
Crystal growth of actinide dioxides by chemical transport (1979)
Spirlet, J., Bednarczyk, E., Ray, I., Müller, W.
Actinide (U, Np) dioxide single crystals were grown by a chemical transport reaction using tellurium tetrachloride as transporting agent. The oxides were transported from 1 075 to 975 °C in vacuum...
Asch, L., Potzel, W., Kalvius, G., Spirlet, J .C., Müller, W.
The Mössbauer emission spectrum of 241Am metal was investigated for influences of radiation self damage. Samples were kept continuously for 230 h at 4.2 K and spectra were taken each 10 to 20 h. No...
Single crystal and film growth of actinide pnictides by chemical vapour transport (1979)
Calestani, G., Spirlet, J., Müller, W.
Single crystals and films of actinide (Th, Pa, U) pnictides (As, Sb) were prepared from the elements, by chemical vapour transport using iodine as transporting agent. In a van Arkel process, the...
Crystal growth of actinide dioxides by chemical transport (1979)
Spirlet, J., Bednarczyk, E., Ray, I., Müller, W.
Actinide (U, Np) dioxide single crystals were grown by a chemical transport reaction using tellurium tetrachloride as transporting agent. The oxides were transported from 1 075 to 975 °C in vacuum...
Asch, L., Potzel, W., Kalvius, G., Spirlet, J .C., Müller, W.
The Mössbauer emission spectrum of 241Am metal was investigated for influences of radiation self damage. Samples were kept continuously for 230 h at 4.2 K and spectra were taken each 10 to 20 h. No...
Single crystal and film growth of actinide pnictides by chemical vapour transport (1979)
Calestani, G., Spirlet, J., Müller, W.
Single crystals and films of actinide (Th, Pa, U) pnictides (As, Sb) were prepared from the elements, by chemical vapour transport using iodine as transporting agent. In a van Arkel process, the...
Crystal growth of actinide dioxides by chemical transport (1979)
Spirlet, J., Bednarczyk, E., Ray, I., Müller, W.
Actinide (U, Np) dioxide single crystals were grown by a chemical transport reaction using tellurium tetrachloride as transporting agent. The oxides were transported from 1 075 to 975 °C in vacuum...
Asch, L., Potzel, W., Kalvius, G., Spirlet, J .C., Müller, W.
The Mössbauer emission spectrum of 241Am metal was investigated for influences of radiation self damage. Samples were kept continuously for 230 h at 4.2 K and spectra were taken each 10 to 20 h. No...
Single crystal and film growth of actinide pnictides by chemical vapour transport (1979)
Calestani, G., Spirlet, J., Müller, W.
Single crystals and films of actinide (Th, Pa, U) pnictides (As, Sb) were prepared from the elements, by chemical vapour transport using iodine as transporting agent. In a van Arkel process, the...
HIGH SPIN-LOW SPIN TRANSITION IN SUBSTITUTED PHENANTHROLINE COMPLEXES OF IRON (II) (1974)
Fleisch, J., Gütlich, P., Hasselbach, K., Müller, W.
The magnetic behaviour of [FeIIL3] (ClO4)2, L=2-CH3-phen (phen = 1,10-phenanthroline) (I), 2-CH3O-phen(II), 2-Cl-phen(III), and 2,9-bis(CH3)-phen(IV), has been examined in the temperature range...
INVESTIGATION OF LATTICE DYNAMICS WITH 117Sn AND 119Sn (1974)
Müller, W., Winkler, H., Gerdau, E.
The Mössbauer effect of the 159 keV transition in 117Sn was observed and the half life was determined as T½ = 0.270(17) ns. Thus two Mössbauer transitions with very different energies are...
HIGH SPIN-LOW SPIN TRANSITION IN SUBSTITUTED PHENANTHROLINE COMPLEXES OF IRON (II) (1974)
Fleisch, J., Gütlich, P., Hasselbach, K., Müller, W.
The magnetic behaviour of [FeIIL3] (ClO4)2, L=2-CH3-phen (phen = 1,10-phenanthroline) (I), 2-CH3O-phen(II), 2-Cl-phen(III), and 2,9-bis(CH3)-phen(IV), has been examined in the temperature range...
INVESTIGATION OF LATTICE DYNAMICS WITH 117Sn AND 119Sn (1974)
Müller, W., Winkler, H., Gerdau, E.
The Mössbauer effect of the 159 keV transition in 117Sn was observed and the half life was determined as T½ = 0.270(17) ns. Thus two Mössbauer transitions with very different energies are...
HIGH SPIN-LOW SPIN TRANSITION IN SUBSTITUTED PHENANTHROLINE COMPLEXES OF IRON (II) (1974)
Fleisch, J., Gütlich, P., Hasselbach, K., Müller, W.
The magnetic behaviour of [FeIIL3] (ClO4)2, L=2-CH3-phen (phen = 1,10-phenanthroline) (I), 2-CH3O-phen(II), 2-Cl-phen(III), and 2,9-bis(CH3)-phen(IV), has been examined in the temperature range...
INVESTIGATION OF LATTICE DYNAMICS WITH 117Sn AND 119Sn (1974)
Müller, W., Winkler, H., Gerdau, E.
The Mössbauer effect of the 159 keV transition in 117Sn was observed and the half life was determined as T½ = 0.270(17) ns. Thus two Mössbauer transitions with very different energies are...
3 pts. in 2.
Activation of Ca2+ signaling in neutrophils by the mast cell-released immunophilin FKBP12.
Bang, H, Müller, W, Hans, M, Brune, K, Swandulla, D
The immunophilins of the FK506-binding protein (FKBP) family are intracellular proteins that bind the immunosuppresants FK506 and rapamycin. In this study we show that HMC-1 mast cells sensitized...
Lymphoid development in mice with a targeted deletion of the interleukin 2 receptor gamma chain.
DiSanto, J P, Müller, W, Guy-Grand, D, Fischer, A, Rajewsky, K
The interleukin 2 receptor gamma chain (IL-2R gamma) is a component of the receptors for IL-2, IL-4, IL-7, and IL-15. Mutations in IL-2R gamma in man appear responsible for the X chromosome-linked...
Nuclear transformation of Volvox carteri.
Schiedlmeier, B, Schmitt, R, Müller, W, Kirk, M M, Gruber, H, Mages, W, ...
Stable nuclear transformation of Volvox carteri was achieved using the cloned V. carteri nitA+ gene (which encodes nitrate reductase) to complement a nitA- mutation. Following bombardment of mutant...
Sachse, K., Helbig, J. H., Lysnyansky, I., Grajetzki, C., Müller, W., Jacobs, E., ...
The family of variable surface lipoproteins (Vsps) of the bovine pathogen Mycoplasma bovis includes some of the most immunogenic antigens of this microorganism. Vsps were shown to undergo...
IMGT, the international ImMunoGeneTics database.
Giudicelli, V, Chaume, D, Bodmer, J, Müller, W, Busin, C, Marsh, S, ...
IMGT, the international ImMunoGeneTics database, is an integrated database specializing in immunoglobulins, T-cell receptors (TcR) and major histocompatibility complex (MHC) of all vertebrate...
IMGT, the International ImMunoGeneTics database.
Lefranc, M P, Giudicelli, V, Busin, C, Bodmer, J, Müller, W, Bontrop, R, ...
IMGT, the international ImMunoGeneTics database, is an integrated database specialising in Immunoglobulins (Ig), T cell Receptors (TcR) and Major Histocompatibility Complex (MHC) of all vertebrate...
IMGT, the international ImMunoGeneTics database.
Lefranc, M P, Giudicelli, V, Ginestoux, C, Bodmer, J, Müller, W, Bontrop, R, ...
IMGT, the international ImMunoGeneTics database (http://imgt.cnusc. fr:8104), is a high-quality integrated database specialising in Immunoglobulins (Ig), T cell Receptors (TcR) and Major...
The p53-dependent effects of macrophage migration inhibitory factor revealed by gene targeting
Fingerle-Rowson, G., Petrenko, O., Metz, C. N., Forsthuber, T. G., Mitchell, R., Huss, R., ...
Macrophage migration inhibitory factor (MIF) is a mediator of host immunity and functions as a high, upstream activator of cells within the innate and the adaptive immunological systems. Recent...
Berg, D J, Kühn, R, Rajewsky, K, Müller, W, Menon, S, Davidson, N, ...
Previous studies in vivo have shown that IL-10 infusion can prevent lethal endotoxic shock. Mice deficient in the production of IL-10 (IL10T) were used to investigate the regulatory role of IL-10 in...
Antiviral immune responses in mice deficient for both interleukin-2 and interleukin-4.
Bachmann, M F, Schorle, H, Kühn, R, Müller, W, Hengartner, H, Zinkernagel, R M, ...
Antiviral immune responses of mice lacking interleukin-2 (IL-2) or IL-4 or both IL-2 and IL-4 (IL-2/4) were compared by using different viruses. Primary cytotoxic T-lymphocyte (CTL) responses against...
A multifunctional gene (tetR) controls Tn10-encoded tetracycline resistance.
Beck, C F, Mutzel, R, Barbé, J, Müller, W
The tetracycline resistance regulatory gene (tetR) of transposon Tn10 was analyzed by a combination of methods involving gene fusion and cloning. This gene is located on a 695-base pair HincII DNA...
Radbruch, A, Müller, W, Rajewsky, K
Mouse B lymphocytes can be activated polyclonally by bacterial lipopolysaccharide (LPS) to secrete Ig and perform Ig class switch. In the presence of the T-cell lymphokine B-cell differentiation...
Müller, W, Hattesohl, I, Schuetz, H J, Meyer, G
Various base pair specific DNA ligands comprising a phenyl phenazinium dye, a triphenylmethan dye and Hoechst 33258 were covalently bound to polyethylene glycol (PEG) via ester or ether bonds. The...
A material suitable for base-pair-specific "affinity chromatography" of double stranded DNA is described. The synthesis of this material involves two successive polymerization reactions yielding...
Berg, D J, Davidson, N, Kühn, R, Müller, W, Menon, S, Holland, G, ...
We have characterized the progressive stages of chronic intestinal inflammation that develops spontaneously in specific pathogen-free (SPF) mice with a targeted disruption in the IL-10 gene...
Misgeld, U, Müller, W, Polder, H R
1. The effects of the anticholinesterase eserine on CA3 pyramidal cells and dentate gyrus granule cells in guinea-pig hippocampal slices were investigated with single-electrode current-clamp and...
Demonstration of elastic fibres with reagents for detection of magnesium.
Investigation of elastic fibres in various human and animal tissues with the reagents quinalizarin, magneson II, and titan yellow for the detection of magnesium revealed striking positive results....
Molecular mechanisms determining the strength of receptor-mediated intermembrane adhesion.
Leckband, D, Müller, W, Schmitt, F J, Ringsdorf, H
The strength of receptor-mediated cell adhesion is directly controlled by the mechanism of cohesive failure between the cell surface and underlying substrate. Unbinding can occur either at the locus...
Fast optical monitoring of microscopic excitation patterns in cardiac muscle.
Müller, W, Windisch, H, Tritthart, H A
Many vital processes depend on the generation, changes, and conduction of cellular transmembrane potentials. Optical monitoring systems are well suited to detect such cellular electrical activities...
Fluorescence monitoring of rapid changes in membrane potential in heart muscle.
Windisch, H, Müller, W, Tritthart, H A
The rising phase of rat cardiac action potentials was measured in physiological solutions using the voltage-sensitive dye RH 237. A newly designed optical system and an argon ion laser for excitation...
Müller, W, Engelhart, G, Herbold, B, Jäckh, R, Jung, R
Thirty compounds of various chemical classes were investigated for mutagenicity in a collaborative study (three laboratories) using Salmonella typhimurium TA102. With five compounds, hydrazine...
Hrycaj, P, Sobieska, M, Mackiewicz, S, Müller, W
The microheterogeneity of alpha 1 acid glycoprotein (AGP) was studied using affinity immunoelectrophoresis with concanavalin A (Con A) in serum samples of 43 patients with early rheumatoid arthritis...
Histological study of effects of colloidal 90 yttrium on knee joint tissues of rabbits.
Pavelka, K, Meier-Ruge, W, Müller, W, Fridrich, R
The administration of 0-2-0-4 mCi 90 yttrium (90Y) into a normal rabbit knee joint fails to induce medical synovectomy and results in the proliferation of the synovialis. The synovial mesothelium...
Effect of yttrium 90 on experimental allergic arthritis in rabbits.
Meier-Ruge, W, Müller, W, Pavelka, K
Seventeen rabbits were immunized with complete Freund's adjuvant and bovine serum albumin by the method of Dumonde and Glynn (1962), as modified by Cooke and Jasin (1972). Fifteen weeks after...
Rosenthal, M, Trabert, U, Müller, W
Although Levamisole, an antihelmintic drug, has shown to have some modulatory effect on the immune response in clinical trials and experimental models, its mode of action remains obscure. In a group...
The fiscal crisis and the local state: examination of the structuralist concept
Neo-Marxist theory has been widely used by urban scientists to explain patterns of fiscal stress among US cities during the 1970s. Despite its population, strict empirical tests are rare, and few...
The Distribution of Harm in Price-Fixing Cases
cartel;abuse of a dominant position;pass on defence;apportionment of harm;supply curve;tax incidence
The Distribution of Harm in Price-Fixing Cases
Abstract: We consider a vertically related industry and analyze how the total harm due to a price increase upstream is distributed over downstream firms and final consumers. For this purpose, we...
Collusion through Price Ceilings? In Search of a Focal-Point Effect
With this study we resume the search for a collusive focal-point effect of price ceilings in laboratory markets. We argue that market conditions in previous studies were unfavorable for collusion...
Naked Exclusion: Towards a Behavioral Approach to Exclusive Dealing
Boone, J., Müller, W., Suetens, S.
We report experimental results on exclusive dealing inspired by the literature on "naked exclusion". Our key findings are: First, exclusion of a more efficient entrant is a widespread phenomenon in...
Signaling Without Common Prior: An Experiment
Drouvelis, M., Müller, W., Possajennikov, A.
The common prior assumption is pervasive in game-theoretic models with incomplete information. This paper investigates experimentally the importance of inducing a common prior in a two-person...
Naked Exclusion: Towards a Behavioral Approach to Exclusive Dealing
Boone, J., Müller, W., Suetens, S.
We report experimental results on exclusive dealing inspired by the literature on “naked exclusionâ€. Our key findings are: First, exclusion of a more efficient entrant is a widespread...
Influence of nitrogen seeding on SOL transport during and between ELMs
Müller, W., Fuchs, C., Herrmann, A., Kallenbach, A., Kirk, A., Lunt, T., ...
Immunohistochemical study on the prognostic value of MIB-1 in gastric carcinoma.
Müller, W., Schneiders, A., Meier, S., Hommel, G., Gabbert, H. E.
The prognostic significance of tumour cell proliferation was investigated in a series of 418 gastric carcinomas using the monoclonal antibody MIB-1. Owing to strong intratumoural heterogeneity of...
Krieg, A, Mahotka, C, Krieg, T, Grabsch, H, Müller, W, Takeno, S, ...
Survivin is a novel member of the inhibitor of apoptosis family and determines the susceptibility of tumour cells to pro-apoptotic stimuli. Recently, we identified two novel alternative splice...
Oligopoly limit-pricing in the lab [Dataset]
W. Müller, Y. Spiegel, Y. Yehezkel
Citation: W. Müller; Y. Spiegel; Y. Yehezkel, "Oligopoly limit-pricing in the lab [Dataset]", hdl:1902.1/12737 Dataverse Network [Distributor]