Codazzi spinors and globally hyperbolic Lorentzian (2009)
The Erwin, Schrödinger International Boltzmanngasse, Helga Baum, Olaf Müller, Helga Baum, Olaf Müller
manifolds with special holonomy I
TIMELY COMMUNICATIONS Factoring a binary polynomial of degree over one million (2008)
Joachim Von Gathen, Michael A. Nielson, Olaf Bonorden, Joachim Von, Zur Gathen, Jürgen Gerhard, ...
A Quarterly Publication of the Homotopies and polynomial system solving I: Basic Principles......................................................ILIAS S. KOTSIREAS 19
The Generalized Railroad Crossing (GRC) has been designed as a benchmark for the comparison of formal methods for the specification and verification of real-time systems. One of the solutions to the...
ions to Finite State Systems --- A Case Study of the Alternating Bit Protocol in Isabelle Olaf Muller Institut fur Informatik, Technische Universitat Munchen, 80290 Munchen, Germany, email:...
Isabelle/HOL as a Platform for Partiality (2007)
In Isabelle, there are several possibilities when one wants to support partial functions. One could put Isabelle to its intended use by directly embedding a logic of partial functions in...
Isabelle/HOL as a Platform for Partiality (2007)
. In Isabelle, there are several possibilities when one wants to support partial functions. One could put Isabelle to its intended use by directly embedding a logic of partial functions in...
Traces of I/O-Automata in Isabelle/HOLCF (2007)
. This paper presents a formalization of finite and infinite sequences in domain theory carried out in the theorem prover Isabelle. The results are used to model the metatheory of I/O automata; they...
Improving malaria mortality estimates for rural Africa by adding further studies (2007)
Ndugwa, Robert Peter, MüLler, Olaf, Kouyaté, Bocar, Becher, Heiko, Ramroth, Heribert
Codazzi spinors and globally hyperbolic manifolds with special holonomy (2007)
In this paper we describe the structure of Riemannian manifolds with a special kind of Codazzi spinors. We use them to construct globally hyperbolic Lorentzian manifolds with complete Cauchy...
Insights from the genome of the biotrophic fungal plant pathogen Ustilago maydis (2006)
Kahmann, Regine, Bölker, Michael, Ma, Li-Jun, Brefort, Thomas, Saville, Barry J, ...
Ustilago maydis is a ubiquitous pathogen of maize and a well-established model organism for the study of plant-microbe interactions. This basidiomycete fungus does not use aggressive virulence...
Season of death and birth predict patterns of mortality in Burkina Faso (2006)
Kynast-Wolf, Gisela, Hammer, Gaël P, Müller, Olaf, Kouyaté, Bocar, Becher, Heiko
Background Mortality in developing countries has multiple causes. Some of these causes are linked to climatic conditions that differ over the year. Data on season-specific mortality are sparse....
Improving malaria mortality estimates for rural Africa by adding further studies (2006)
Ndugwa, Robert Peter, MüLler, Olaf, Kouyaté, Bocar, Becher, Heiko, Ramroth, Heribert
Codazzi Spinors and Globally Hyperbolic Lorentzian Manifolds with Special Holonomy I (2005)
Special Holonomy I, Olaf Müller, Helga Baum
In this paper we describe the structure of Riemannian manifolds with a special kind of Codazzi spinors. We use them to construct globally hyperbolic Lorentzian manifolds with weakly irreducible...
Season of death and birth predict patterns of mortality in Burkina Faso (2005)
Kynast-Wolf, Gisela, Hammer, Gaël P., Müller, Olaf, Kouyaté, Bocar, Becher, Heiko
Background Mortality in developing countries has multiple causes. Some of these causes are linked to climatic conditions that differ over the year. Data on season-specific mortality are sparse....
Hypermedia Navigation Concepts for Lecture Recordings (2004)
Robert Mertens, Holger Schneider, Olaf Müller, Oliver Vornberger
Abstract: This paper introduces a complete hypermedia navigation concept for lecture recordings, along with virtPresenter, a prototype software tool for automatic generation of hypermedia user...
Clustering of childhood mortality in rural Burkina Faso (2001)
Sankoh, Osman A, Yé, Yazoumé, Sauerborn, Rainer, Müller, Olaf, Becher, Heiko
Background Childhood mortality is a major public health problem in sub-Saharan Africa. For the implementation of efficient public health systems, knowledge of the spatial distribution of mortality is...
A Verification Environment for I/O Automata - Part II: Theorem Proving and Model Checking (1999)
We describe a verification framework for I/O automata in Isabelle. It includes a temporal logic, proof support for showing implementation relations between live I/O automata, and a combination of...
A Verification Environment for I/O Automata - Part I: Temporal Logic and Abstraction (1999)
ion -- Olaf M uller ABCDE FGHIJ KLMNO TUM-I9911 Juni 99 T E C H N I S C H E U N I V E R S I T A T M U N C H E N TUM-INFO-06-I9911-50/1.-FI Alle Rechte vorbehalten Nachdruck auch auszugsweise verboten...
The model of timed I/O automata represents an extension of the model of I/O automata with the aim of reasoning about realtime systems. A number of case studies using timed I/O automata has been...
From I/O automata to timed I/O automata: A solution to the 'generalized railroad crossing (1999)
Abstract. The model of timed I/O automata represents an extension of the model of I/O automata with the aim of reasoning about realtime systems. A number of case studies using timed I/O automata has...
Advanced Design and Validation Techniques for Electronic Control Units (1998)
Max Fuchs, Michael Eckrich, Olaf Müller, Jan Philipps, Peter Scholz
Increasing demand for dynamically controlled safety features, passenger comfort, and operational convenience in upper class automobiles requires an intensive use of electronic control units including...
Olaf Müller, Tobias Nipkow, David Von Oheimb, Oscar Slotosch
HOLCF is the definitional extension of Church's Higher-Order Logic with Scott's Logic for Computable Functions that has been implemented in the theorem prover Isabelle. This results in a...
Olaf Müller, Tobias Nipkow, David Von Oheimb, Oscar Slotosch
HOLCF is the definitional extension of Church's Higher-Order Logic with Scott's Logic for Computable Functions that has been implemented in the theorem prover Isabelle. This results in a...
A Verification Environment for I/O Automata (1998)
Fakultat Fur Informatik, Olaf Müller, Olaf Muller
This thesis deals with the computer-assisted verification of embedded systems described as Input/Output automata. We achieve contributions in two fields: the theory of untimed I/O automata and its...
I/O Automata and Beyond: Temporal Logic and Abstraction in Isabelle (1998)
We describe a verification framework for I/O automata in Isabelle. It includes a temporal logic, proof support for showing implementation relations between live I/O automata, and a combination of...
Treating partiality in a logic of total functions (1997)
The need to use partial functions arises frequently in formal descriptions of computer systems. However, most proof assistants are based on logics of total functions. One way to address this mismatch...
Functional speci cation of real-time and hybrid systems (1997)
Olaf Müller, Olaf Muller, Peter Scholz, ...
1 Functional speci cations in FOCUS have been used to specify and verify designs of a number of reactive, discrete systems. In this paper we extend this speci cation style to deal with real-time and...
Treating Partiality in a Logic of Total Functions (1997)
Olaf Müller, Olaf M Uller, Konrad Slind
this paper we take the latter course: we survey and compare methods used to support partiality in a mechanization of a higher order logic featuring only total functions. The techniques we discuss are...
Theorem Prover Support for the Refinement of Stream Processing Functions (1997)
Robert Sandner, Robert S, Olaf Müller
In this paper, we show how to use the theorem prover Isabelle to provide tool support for Focus, a specification and verification framework for the stepwise development of distributed systems. Focus...
Possibly Infinite Sequences in Theorem Provers: A Comparative Study (1997)
Marco Devillers, David Griffioen, Olaf Müller
We compare four different formalizations of possibly infinite sequences in theorem provers based on higher-order logic. The formalizations have been carried out in different proof tools, namely in...
Possibly Infinite Sequences in Theorem Provers: A Comparative Study (1997)
Marco Devillers, David Griffioen, Olaf Müller
. We compare four different formalizations of possibly infinite sequences in theorem provers based on higher-order logic. The formalizations have been carried out in different proof tools, namely in...
Possibly infinite sequences in theorem provers: A comparative study (1997)
Marco Devillers, David Griffioen, Olaf Müller
We compare four different formalizations of possibly infinite sequences in theorem provers based on higher-order logic. The formalizations have been carried out in different proof tools, namely in...
Functional Specification of Real-Time and Hybrid Systems (1997)
Functional specifications have been used to specify and verify designs of a number of reactive, discrete systems. In this paper we extend this specification style to deal with real-time and hybrid...
Functional Specification of Real-Time and Hybrid Systems (1997)
. Functional specifications have been used to specify and verify designs of a number of reactive, discrete systems. In this paper we extend this specification style to deal with real-time and hybrid...
Using HyTech to Verify an Automotive Control System (1997)
Thomas Stauner, Olaf Müller, Max Fuchs
. This paper shows how HyTech, a symbolic model checker for linear hybrid systems, can be used to verify a part of an abstracted automotive control system. The system controls the height of an...
Specification of Real-Time and Hybrid Systems in FOCUS (1996)
At M Unchen, Olaf Müller, Olaf Muller, Peter Scholz, ...
Functional specifications in FOCUS have been used to specify and verify designs of a number of reactive, discrete systems. In this paper we extend this specification style to deal with real-time and...
References to Model Checking -- and some Comments (1996)
ion to Finite State Spaces 4.1.1 Abstraction Theory ffl Abstraction for universal properties by homomorphisms: [CGL92] ffl Abstraction also for existential properties by abstract interpretation:...
Combining Model Checking and Deduction for I/O-Automata (1995)
Olaf Müller, Tobias Nipkow, Tu Munchen
We propose a combination of model checking and interactive theorem proving where the theorem prover is used to represent finite and infinite state systems, reason about them compositionally and...
Combining Model Checking and Deduction for I/O-Automata (1995)
Olaf Müller, Tobias Nipkow, Tu Munchen
We propose a combination of model checking and interactive theorem proving where the theorem prover is used to represent finite and infinite state systems, reason about them compositionally and...
Wachstumseffekte von Naturkatastrophen
Eine geschlossene ökonomische Theorie der Naturkatastrophen existiert bislang nicht. Arbeiten, die sich dieses Themas aus volkswirtschaftlicher Sicht annehmen und dabei vor allem die langfristig...
Coulibaly, Boubacar, Zoungrana, Augustin, Mockenhaupt, Frank P., Schirmer, R. Heiner, Klose, Christina, Mansmann, Ulrich, ...
Risk factors of infant and child mortality in rural Burkina Faso.
Becher, Heiko, Müller, Olaf, Jahn, Albrecht, Gbangou, Adjima, Kynast-Wolf, Gisela, Kouyaté, Bocar
OBJECTIVE: The aim of the study was to quantify the effect of risk factors for childhood mortality in a typical rural setting in sub-Saharan Africa. METHODS: We performed a survival analysis of...
Müller, Olaf, Traoré, Corneille, Kouyaté, Bocar, Yé, Yazoumé, Frey, Claudia, Coulibaly, Boubacar, ...
OBJECTIVE: Insecticide-impregnated bednets and curtains have been shown by many studies to be effective against malaria. However, because of possible interactions with immunity development, treated...
Identification and characterization of secreted and pathogenesis-related proteins in Ustilago maydis
Müller, Olaf, Schreier, Peter H., Uhrig, Joachim F.
Interactions between plants and fungal pathogens require a complex interplay at the plant–fungus interface. Extracellular effector proteins are thought to play a crucial role in establishing a...