Matthias Weber

The construction of doubly periodic minimal surfaces via balance equations (2010)

Connor, Peter, Weber, Matthias

Using Traizet's regeneration method, we prove the existence of many new 3-dimensional families of embedded, doubly periodic minimal surfaces. All these families have a foliation of 3-dimensional...

The Geometry of Klein’s Riemann Surface (2010)

Hermann Karcher, Matthias Weber

Abstract. Starting from the hyperbolic definition of Klein’s surface we prove platonicity, derive the two classical equations W 7 = Z(Z − 1) 2 between meromorphic functions and x 3 y+y 3 z+z 3 x...

dberry @ cs.technion.ac.il (2009)

Daniel M. Berry, Matthias Weber

weber @ dbresearch-berlin.de This paper describes a pragmatic, rigorous integration of the mathematical specification language Z with well-known object modeling notations and an object-oriented...

Ubiquitous Virtual Reality: Accessing Shared Virtual Environments through (2009)

M. Mcderby, L. Lever (editors, Videoconferencing Technology, Thies Pfeiffer, Matthias Weber, Bernhard Jung

This paper presents an alternative to existing methods for remotely accessing Virtual Reality (VR) systems. Common solutions are based on specialised software and/or hardware capable of rendering 3D...

Identification of novel Cyclooxygenase-2-dependent genes in Helicobacter pyloriinfection in vivo (2009)

Walduck, Anna K, Weber, Matthias, Wunder, Christian, Juettner, Stefan, Stolte, Manfred, Vieth, Michael, ...

Abstract Background Helicobacter pylori is a crucial determining factor in the pathogenesis of benign and neoplastic gastric diseases. Cyclooxygenase-2 (Cox-2) is the inducible key enzyme of...

Identification of novel Cyclooxygenase-2-dependent genes in Helicobacter pylori infection in vivo (2009)

Walduck, Anna, Weber, Matthias, Wunder, Christian, Juettner, Stefan, Stolte, Manfred, Vieth, Michael, ...

Background: Helicobacter pylori is a crucial determining factor in the pathogenesis of benign and neoplastic gastric diseases. Cyclooxygenase-2 (Cox-2) is the inducible key enzyme of arachidonic acid...

Triply Periodic Minimal Surfaces Bounded by Vertical Symmetry Planes (2008)

Fujimori, Shoichi, Weber, Matthias

We give a uniform and elementary treatment of many classical and new triply periodic minimal surfaces in Euclidean space, based on a Schwarz-Christoffel formula for periodic polygons in the plane....

RAPID PROTOTYPING OF MODEL BASED CONTROL ALGORITHMS FOR DIESEL-ENGINES WITH TURBOCHARGER (2008)

Matthias Weber, Rolf Isermann

Summary A Control Prototyping system for the design of electronic control unit (ECU) functions for truck Diesel engines is presented. By this way the different steps of the control development can be...

focus requirements engineering Requirements Engineering in Automotive Development: Experiences and Challenges (2008)

Complex Automotive, Matthias Weber, Joachim Weisbrod

systems yield complex requirements specifications and raise many challenges along the way. Using realworld projects as a foundation, the authors describe problems and solutions for requirements...

An Animation System for Imitation of Object Grasping in Virtual Reality (2008)

Matthias Weber, Guido Heumer, Heni Ben Amor, Bernhard Jung, Tu Bergakademie Freiberg

Abstract. Interactive virtual characters are nowadays commonplace in games, animations, and Virtual Reality (VR) applications. However, relatively few work has so far considered the animation of...

Teichmüller Theory And Handle Addition For Minimal Surfaces (2007)

Matthias Weber, Michael Wolf

this paper, we develop Teichmuller theoretical methods to construct new minimal surfaces in E

Structural and Behavioral Models of the Steam-Boiler Control System (2007)

Robert Bussow Matthias, Matthias Weber

. This paper presents a system specification of the steam boiler control system described in [1]: To manage complexity and to foster separation of concerns the design model is divided into three...

Structural and Behavioral Models of the Steam-Boiler Control System (2007)

Robert Büssow, Matthias Weber

. This paper presents a system specification of the steam boiler control system described in [1]: To manage complexity and to foster separation of concerns the design model is divided into three...

Embedding Mathematical Techniques in System Engineering (2007)

In System Engineering, Maritta Heisel, Stefan Jähnichen, Martin Simons, Matthias Weber

Some of the reasons why formal methods have not been widely accepted in practice are analyzed. This analysis provides the basis for a more modest approach to embedding mathematical and formal...

AND (2007)

Daniel M. Berry, Matthias Weber

This paper describes a pragmatic, rigorous integration of the mathematical specification language Z with well-known object modeling notations and an object-oriented variant of statecharts. The goal...

Bending the Helicoid (2005)

Meeks III, William H., Weber, Matthias

We construct Colding-Minicozzi limit minimal laminations in open domains in $\rth$ with the singular set of $C^1$-convergence being any properly embedded $C^{1,1}$-curve. By Meeks'...

Pr@senZ-P@CE: Mobile Interaction with Virtual Reality (2005)

Matthias Weber, Bernhard Jung, Thies Pfeiffer

Recently videoconferencing has been extended from human face-to-face communication to human machine interaction with Virtual Environments (VE)[6]. Relying on established videoconferencing (VC)...

Ubiquitous Virtual Reality: Accessing Shared Virtual Environments through Videoconferencing Technology (2005)

M. Mcderby, L. Lever (editors, Videoconferencing Technology, Thies Pfeiffer, Matthias Weber, Bernhard Jung

This paper presents an alternative to existing methods for remotely accessing Virtual Reality (VR) systems. Common solutions are based on specialised software and/or hardware capable of rendering 3D...

An embedded genus-one helicoid (2004)

Weber, Matthias, Hoffman, David, Wolf, Michael

There exists a properly embedded minimal surface of genus one with one end. The end is asymptotic to the end of the helicoid. This genus one helicoid is constructed as the limit of a continuous...

Helicobacter pylori stimulates host vascular endothelial growth factor-A (vegf-A) gene expression via MEK/ERK-dependent activation of Sp1 and Sp3 (2004)

Strowski,Mathias Z., Cramer,Thorsten, Schafer,Georgia, Juttner,Stefan, Walduck,Anna, Schipani,Ernestina, ...

SPECIFIC AIMS Vascular endothelial growth factor-A (VEGF-A) is a key regulator of inflammatory and tumor-associated angiogenesis. Helicobacter pylori (H. pylori) plays a critical role in the...

Requirements for requirements management tools (2004)

Matthias Hoffmann, Nikolaus Kühn, Matthias Weber

Tools for managing systems requirements help keeping specifications consistent, up-to-date and accessible. Since the requirements for complex systems are themselves complex information structures...

Helicobacter pylori stimulates host cyclooxygenase-2 gene transcription: critical importance of MEK/ERK-dependent activation of USF1/-2 and CREB transcription factors (2003)

Juttner,Stefan, Cramer,Thorsten, Wessler,Silja, Walduck,Anna, Gao,Feng, Schmitz,Frank, ...

Cyclooxygenase-2 (COX-2) represents the inducible key enzyme of arachidonic acid metabolism and contributes to the pathogenesis of gastroduodenal ulcers and gastric cancer. Helicobacter pylori...

An embedded genus-one helicoid (2003)

Matthias Weber, Michael Wolf, David Hoffman

There exists a properly embedded minimal surface of genus one with one end. The end is asymptotic to the end of the helicoid. This genus one helicoid is constructed as the limit of a continuous...

Asymmetrisch substituierte 1,1´-Binaphthyle. - Synthese, Komplexe und enantioselektive Katalyse - (2002)

Weber, Matthias

Dargestellt wurden enantiomerenreine 1,1´-Binaphthylverbindungen mit unterschiedlichen Substituenten in 2- und 2´-Position. Durch Schiff-Basenkondensation von 2-Amino-2´-methoxy-1,1´-binaphthyl...

Asymmetrisch substituierte 1,1´-Binaphthyle. - Synthese, Komplexe und enantioselektive Katalyse - (2002)

Weber, Matthias

Dargestellt wurden enantiomerenreine 1,1´-Binaphthylverbindungen mit unterschiedlichen Substituenten in 2- und 2´-Position. Durch Schiff-Basenkondensation von 2-Amino-2´-methoxy-1,1´-binaphthyl...

Untersuchungen zu Greifvogelbestand, Habitatstruktur und Habitatveränderung in ausgewählten Gebieten von Sachsen-Anhalt und Mecklenburg-Vorpommern = Investigations on breeding populations of raptors, habitat structure and habitat change in selected areas of Saxony-Anhalt and Mecklenburg-Vorpommern / (2002)

Weber, Matthias., Martin-Luther-Universität Halle-Wittenberg. Institut Für Zoologie Des Fachbereiches Biologie. Monitoring Greifvögel Und Eulen Europas.

Based on Thesis (doctoral)--Martin-Luther-Universität Halle-Wittenberg, 2001.

Kapillarisierung und No-Reflow-Phänomen am Skelettmuskel des Göttinger Miniaturschweins (2002)

Weber, Matthias

Am Göttinger Miniaturschwein sollten die Rolle der Kapillarisierung des Skelettmus-kels und die möglichen Pathomechanismen für das Zustandekommen des No-Reflow-Phänomens untersucht werden....

On occupation time functionals for diffusion processes and birth-and-death processes on graphs (2001)

Weber, Matthias

Occupation time functionals for a diffusion process or a birth-and-death process on the edges of a graph $\Gamma$ depending only on the values of the process on a part $\Gamma' \subset \Gamma$ of...

On properly embedded minimal surfaces with three ends (2001)

Martín, Francisco, Weber, Matthias

We classify all complete embedded minimal surfaces in ℝ3; with three ends of genus g and at least 2g+2 symmetries. The surfaces in this class are the Costa-Hoffman-Meeks surfaces that have 4g+4...

A remark on random perturbations of the nonlinear pendulum (1999)

Freidlin, Mark, Weber, Matthias

We describe the long-time behavior of the nonlinear pendulum perturbed by a small noise. To derive this asymptotics, one has to consider diffusion processes on the graph corresponding to the...

Random perturbations of nonlinear oscillators (1998)

Freidlin, Mark, Weber, Matthias

Degenerate white noise perturbations of Hamiltonian systems in $R^2$ are studied. In particular, perturbations of a nonlinear oscillator with 1 degree of freedom are considered. If the oscillator has...

Teichmuller theory and handle addition for minimal surfaces (1998)

Weber, Matthias, Wolf, Michael

We develop Teichmuller theoretical methods to construct new minimal surfaces in $\BE^3$ by adding handles and planar ends to existing minimal surfaces in $\BE^3$. We exhibit this method on an...

Minimal Surfaces of Least Total Curvature and Moduli Spaces of Plane Polygonal Arcs (1998)

Weber, Matthias, Wolf, Michael

We prove the existence of complete minimal surfaces of genus g>1 which minimize the total curvature for their genus. Our method is first to identify this (Weierstrass high dimensional period) problem...

Minimal Surfaces Of Least Total Curvature And Moduli Spaces Of Plane Polygonal Arcs (1998)

Matthias Weber, Michael Wolf

this paper is to prove the existence of complete minimal surfaces of each genus p ? 1 which minimize the total curvature (equivalently, the degree of the Gau map) for their genus. The genus zero...

Minimal surfaces of least total curvature and moduli spaces of plane polygonal arcs (1998)

Matthias Weber, Michael Wolf

rst major goal of this paper is to prove the existence of complete minimal surfaces of each genus p>1 which minimize the total curvature (equivalently, the degree of the Gau map) for their genus....

A pragmatic, rigorous integration of structural and behavioral modeling notations (1997)

Daniel M. Berry, Fdaniel M. Berry, Matthias Weber, Matthias Weber

For the elimination of any doubt, it is hereby stressed that the staff member and/or the Technion and/or the Technion Research and Development Foundation Ltd. will not be liable for any property...

A pragmatic, rigorous integration of structural and behavioral modeling notations (1997)

Daniel M. Berry, Matthias Weber

This paper describes a pragmatic, rigorous integration of the mathematical specification language Z with well-known object modeling notations and an object-oriented variant of statecharts. The goal...

On Kepler's Small Stellated Dodecahedron (1997)

Matthias Weber

. We give a detailed description of Kepler's small stellated dodecahedron and Great Dodecahedron as a Riemann surface of genus 4, linking euclidean, hyperbolic and algebraic definitions. The...

Specification of Software Controlling a Discrete-Continuous Environment (1997)

Viktor Friesen, Stefan Jähnichen, Matthias Weber

In this paper, we present an object-oriented approach to the specification of discrete software controllers that are embedded in discrete-continuous (or hybrid) environments. The structure of the...

AND (1997)

Daniel M. Berry, Rudower Chausee, Matthias Weber

This paper describes a pragmatic, rigorous integration of the mathematical speci-cation language Z with well-known object modeling notations and an object-oriented variant of statecharts. The goal is...

Combining Statecharts and Z for the Design of Safety-Critical Control Systems (1996)

Matthias Weber Technische, Matthias Weber

. In this report, we describe an approach that integrates a mathematical specification language with more traditional software design techniques to yield a practicable methodology for the...

Combining Statecharts and Z for the Design of Safety-Critical Control Systems (1996)

Matthias Weber

. In this report, we describe an approach that integrates a mathematical specification language with more traditional software design techniques to yield a practicable methodology for the...

A Steam-Boiler Control Specification with Statecharts and Z (1996)

Robert Büssow, Matthias Weber

This report presents a solution to the steam-boiler control problem (see Chapter AS, this book). The main idea is to integrate a mathematical specification technique with a well-known engineering...

Embedding mathematical techniques into system engineering (1995)

Maritta Heisel, Stefan Jähnichen, Martin Simons, Matthias Weber

Some of the reasons why formal methods have not been widely accepted in practice are analyzed. This analysis provides the basis for a more modest approach to embedding mathematical and formal...

Case Studies in Literate and Structured Formal Developments (1995)

Martin Simons, Martin Simons, Matthias Weber, Matthias Weber

We present an approach towards literate and structured presentations of formal developments. We discuss the presentation of formal developments within a logical framework and separate three aspects:...

Risswachstum in der PM-Nickelbasis-Legierung N18 bei Temperaturen zwischen 400 und 750°C unter statischer und zyklischer Belastung / (1994)

Weber, Matthias., Institut Für Werkstoffe Der Energietechnik (Jülich).

Zugl.: Aachen, Techn. Hochsch., Diss. M. Weber, 1994.

Fundamentalbereiche komplex hyperbolischer Flächen /--vorgelegt von Matthias Weber. (1993)

Weber, Matthias.

Thesis (doctoral)--Rheinische Friedrich-Wilhelms-Universität Bonn, 1992.

Persistence of Borna Disease Virus in Naturally Infected Sheep

Vahlenkamp, Thomas W., Konrath, Andrea, Weber, Matthias, Müller, Hermann

To get an insight into Borna disease virus (BDV) epidemiology, an isolated flock of approximately 25 sheep within the region of Southeast Germany to which the disease is endemic was investigated over...

An embedded genus-one helicoid

Weber, Matthias, Hoffman, David, Wolf, Michael

There exists a properly embedded minimal surface of genus one with a single end asymptotic to the end of the helicoid. This genus-one helicoid is constructed as the limit of a continuous...

Persistence of Borna Disease Virus in Naturally Infected Sheep

Vahlenkamp, Thomas W., Konrath, Andrea, Weber, Matthias, Müller, Hermann

To get an insight into Borna disease virus (BDV) epidemiology, an isolated flock of approximately 25 sheep within the region of Southeast Germany to which the disease is endemic was investigated over...

An embedded genus-one helicoid

Weber, Matthias, Hoffman, David, Wolf, Michael

There exists a properly embedded minimal surface of genus one with a single end asymptotic to the end of the helicoid. This genus-one helicoid is constructed as the limit of a continuous...

Latent Membrane Protein 2B Regulates Susceptibility to Induction of Lytic Epstein-Barr Virus Infection▿

Rechsteiner, Markus P., Berger, Christoph, Zauner, Ludwig, Sigrist, Jürg A., Weber, Matthias, Longnecker, Richard, ...

The B-lymphotropic Epstein-Barr virus (EBV) encodes two isoforms of latent membrane protein 2 (LMP2), LMP2A and LMP2B, which are expressed during latency in B cells. The function of LMP2B is largely...

TRANSITION PATHWAYS TOWARDS USER-CENTRIC INNOVATION

PHILINE WARNKE, MATTHIAS WEBER, KARL-HEINZ LEITNER

Although various user-centric innovation concepts have proved successful in niche markets and specific industries, there is yet little understanding how these models may become more widely diffused...