Paul Fischer

Ethnic Identity in Tang China (review) (2009)

Paul Fischer

Journal of World History - Volume 20, Number 1, March 2009

Petascale Algorithms for Reactor Hydrodynamics (2009)

Paul Fischer, James Lottes, David Pointer, Andew Siegel

Abstract. We describe recent algorithmic developments that have enabled large eddy simulations of reactor flows on up to P = 65, 000 processors on the IBM BG/P at the Argonne Leadership Computing...

Developing Multi-Agent Lego Robotics Polytechnical Midterm Project supervised by (2008)

Thomas Bol, Paul Fischer, Anders Lemke S, Johan Laidlaw S, Kongens Lyngby

www.imm.dtu.dk Agent technology has evolved rapidly over the last few years and is especially used when trying to solve problems in a world that changes frequently. A good way to illustrate the key...

LARGE EDDY SIMULATION OF WIRE-WRAPPED FUEL PINS I: Hydrodynamics in a Periodic Array (2008)

Paul Fischer, James Lottes, Andrew Siegel

We present large-eddy simulations of flow in a wire-wrapped fuel assembly at subchannel Reynolds numbers of Reh=4684–29184. The domain consists of a single pin in a hexagonally periodic array,...

Parallel Simulation of High Reynolds Number Vascular Flows (2008)

Paul Fischer, A Francis Loth, Sang-wook Lee, David Smith, Henry Tufo

The simulation of turbulent vascular flows presents significant numerical challenges. Because such flows are only weakly turbulent (i.e., transitional), they lack an inertial subrange that is...

Complete account of randomness in the EPR-Bohm-Bell experiment (2008)

Avis, David, Fischer, Paul, Hilbert, Astrid, Khrennikov, Andrei

We show that paradoxical consequences of violations of Bell's inequality are induced by the use of an unsuitable probabilistic description for the EPR-Bohm-Bell experiment. The conventional...

AND (2008)

Eli Dichterman, Paul Fischer, Eli Shamir, Hans Ulrich Simon

Computational Learning II (NeuroCOLT #). N. Cesa-Bianchi gratefully acknowledges the support of Progetto Vigoni. P. Fischer and H. Ulrich Simon gratefully acknowledge the support of Bundesministerium...

Summary (2007)

Andreas Christmann, Paul Fischer, Thorsten Joachims

Comparison between the regression depth method and the support vector machine to approximate the minimum number of misclassifications

A lower bound for families of Natarajan dimension d (2007)

Paul Fischer, Jirí Matousek, Lehrstuhl Informatik Ii

A system F of functions f1; 2; : : : ; ng ! f1; 2; : : : ; kg has Natarajan dimension at most d if no (d + 1)-element subset A ae X is 2-shattered . A is 2-shattered if for each x 2 A there is a...

Impact of Boundary Conditions on Entrainment and Transport in Gravity Currents (2006)

Boñgolan-Walsh, Vena Pearl, Duan, Jinqiao, Fischer, Paul, Özgökmen, Tamay, Iliescu, Traian

Gravity currents have been studied numerically and experimentally both in the laboratory and in the ocean. The question of appropriate boundary conditions is still challenging for most complex flows....

An Examination of the Efficiency of Resource Allocation Auctions Within Firms 1 (2006)

Stanley Baiman, Paul Fischer, Madhav V. Rajan, Richard Saouma

Markets have a remarkable capacity for producing efficient resource allocations when infor-mation about relative values is dispersed across economic agents. We explore the use of market mechanisms...

Geophysical-astrophysical spectral-element adaptive refinement (GASpAR): Object-oriented h-adaptive code for geophysical fluid dynamics simulation (2005)

Rosenberg, Duane, Fournier, Aime', Fischer, Paul, Pouquet, Annick

We present an object-oriented geophysical and astrophysical spectral-element adaptive refinement (GASpAR) code for application to turbulent flows. Like most spectral-element codes, GASpAR combines...

Enstrophy and Ergodicity of Gravity Currents (2004)

Bongolan-Walsh, Vena Pearl, Duan, Jinqiao, Gao, Hongjun, Ozgokmen, Tamay, Fischer, Paul, Iliescu, Traian

We study a coupled deterministic system of vorticity evolution and salinity transport equations, with spatially correlated white noise on the boundary. This system may be considered as a model for...

The Complexity of Computing the MCD-Estimator (2004)

Thorsten Bernholt, Lehrstuhl Informatik, Paul Fischer

In modern statistics the robust estimation of parameters is a central problem, i. e., an estimation that is not or only slightly affected by outliers in the data. The Minimum Covariance Determinant...

Lernalgorithmen in der Zeitreihenanalyse, eine empirische Untersuchung (2000)

Fischer, Paul, Höffgen, Klaus-Uwe

Das Ziel dieses Projekts war es, anhand von empirischen Untersuchungen klassische statistische Verfahren und aktuelle Methoden des Maschinellen Lernens mit einem Ansatz zu vergleichen, der in der...

Finite-time Analysis of the Multi-armed Bandit Problem (2000)

Peter Auer, Nicolò Cesa-Bianchi, Paul Fischer, Lehrstuhl Informatik

Reinforcement learning policies face the exploration versus exploitation dilemma, i.e. the search for a balance between exploring the environment to nd pro table actions while taking the empirically...

Comparison between the regression depth method and the support vector machine to approximate the minimum number of misclassifications (2000)

Christmann, Andreas, Fischer, Paul, Joachims, Thorsten

The minimum number of misclassifications achievable with afine hyperplanes on a given set of labeled points is a key quantity in both statistics and computational learning theory. However,...

Sample-efficient Strategies for Learning in the Presence of Noise (1999)

Nicolo Cesa-Bianchi, Eli Dichterman, Paul Fischer, Eli Shamir, Hans Ulrich Simon

In this paper we prove various results about PAC learning in the presence of malicious noise. Our main interest is the sample size behaviour of learning algorithms. We prove the first nontrivial...

STUDY OF AN M-TYPE BACKWARD-WAVE OSCILLATOR UTILIZING AXIAL BEAM INJECTION. (1998)

Wurthmann,Gunther E., Richmond,Park, Fischer,Paul

The report reviews the design, fabrication, and testing of a pulsed, reentrant, M-type backward-wave oscillator (BWO). The tube utilizes a crossed-field gun which feeds the beam axially into the...

STUDY OF HIGH-VOLTAGE ELECTRODES IN MICROWAVE TUBES. (1998)

Wurthmann,Gunther, Richmond,Park, Fischer,Paul

An investigative program on modulating anodes and anode structures used in high-power linear beam microwave tubes was completed. The high-voltage experiments were conducted at voltages up to 280 kV....

A Novel Beam Bunching Concept for Millimeter Wave Tubes. (1998)

Fischer,Paul, Bates,Calvin, Hartley,Joseph

A unique electron beam bunching concept has been presented, analyzed, and applied to the development of a novel tube approach. The analysis provides a design base for a new class of millimeter wave...

Finite-time Regret Bounds for the Multiarmed Bandit Problem (1998)

Nicolò Cesa-Bianchi, Paul Fischer

We show finite-time regret bounds for the multiarmed bandit problem under the assumption that all rewards come from a bounded and fixed range. Our regret bounds after any number T of pulls are of the...

On the Optimal Number of Subdomains for Hyperbolic Problems on Parallel Computers. (1997)

Fischer, Paul, Gottlieb, David

The computational complexity for parallel implementation of multidomain spectral methods is studied to derive the optimal number of subdomains, q, and spectral order, n, for numerical solution of...

Equipment for Visualization of Large-Scale Fluid Dynamics Calculations. (1997)

Fischer, Paul, Don, W. S., Gottlieb, D.

Grant # F49620-95-1-0100 was a DURIP equipment Grant in support of ongoing research in high-order numerical methods at Brown University. The equipment purchased included a 1 Gbyte SGI Onyx, and two...

Minimizing Disagreement for Geometric Regions Using Dynamic Programming, with Applications to Machine Learning and Computer Graphics (1996)

Paul Fischer, Paul Fischer, Stephen Kwek, Stephen Kwek

We demonstrate that the dynamic programming paradigm is an effective tool in the design of efficient algorithms for solving minimumdisagreement problems for convex polygons, star-shaped polygons,...

On The Optimal Number Of (1996)

Subdomains For Hyperbolic, Paul Fischer, David Gottlieb

The computational complexity for parallel implementation of multidomain spectral methods is studied to derive the optimal number of subdomains, q, and spectral order, n, for numerical solution of...

Exploiting Random Walks for Learning (1995)

Peter L. Bartlett, Klaus-Uwe Höffgen, Lehrstuhl Informatik Ii, Lehrstuhl Informatik Ii, Paul Fischer, Paul Fischer, ...

In this paper we consider an approach to passive learning. In contrast to the classical PAC model we do not assume that the examples are independently drawn according to an underlying distribution,...

Exploiting Random Walks for Learning (1994)

Peter L. Bartlett, Paul Fischer, Lehrstuhl Informatik Ii, Klaus-Uwe Höffgen

In this paper we consider an approach to passive learning. In contrast to the classical PAC model we do not assume that the examples are independently drawn according to an underlying distribution,...

Trial and Error: A New Approach to Space-Bounded Learning (1993)

Foued Ameur, Paul Fischer, Klaus-U. Höffgen

A pac-learning algorithm is d-space bounded, if it stores at most d examples from the sample at any time. We characterize the d-space learnable concept classes. For this purpose we introduce the...

PAB-Decisions for Boolean and Real-Valued Features (1992)

Svetlana Anoulova, Paul Fischer, Stefan Polt, Hans Ulrich Simon, Lehrstuhl Informatik Ii, Lehrstuhl Informatik Ii, ...

In this paper, we investigate the problem of classifying objects which are given by feature vectors with Boolean or real entries. Our aim is to "(efficiently) learn probably almost optimal...

Probably Almost Bayes Decisions (1991)

Paul Fischer, Stefan Polt, Hans Ulrich Simon, Lehrstuhl Informatik Ii, Lehrstuhl Informatik Ii, Lehrstuhl Informatik Ii

We put Bayes decision theory into the framework of pac-learning as introduced by Valiant [Val84]. Unlike classical Boolean concept learning where functions f : f0; 1g n ! f0; 1g are approximated, we...

Indoor Air Pollution and its Effect on Pulmonary Function of Adult Non-Smoking Women: I. Exposure Estimates for Nitrogen Dioxide and Passive Smoking (1985)

REMIJN, BREGT, FISCHER, PAUL, BRUNEKREEF, BERT, LEBRET, ERIK, BOLEIJ, JAN S M, NOIJ, DOOK

Remijn B (Department of Environmental Health and Tropical Hygiene, Agricultural University, Gen. Foulkesweg 43, 6703 BM, Wageningen, The Netherlands), Fischer P, Brunekreef B, Lebret E, Boleij J S M...

Indoor Air Pollution and its Effect on Pulmonary Function of Adult Non-Smoking Women: II. Associations between Nitrogen Dioxide and Pulmonary Function (1985)

FISCHER, PAUL, REMIJN, BREGT, BRUNEKREEF, BERT, LENDE, ROELOF VAN DER, SCHOUTEN, JAN, QUANJER, PHILIP

Fischer P (Developement of Environmental Health and Tropical Hygiene, Agricultural University, Gen, Foulkesweg 43, 6703 BM Wageningen. The Notherlands, Renijn B. Brunekreef B. van der Lende R....

Indoor Air Pollution and its Effect on Pulmonary Function of Adult Non-Smoking Women: III. Passive Smoking and Pulmonary Function (1985)

BRUNEKREEF, BERT, FISCHER, PAUL, REMIJN, BREGT, LENDE, ROELOF VAN DER, SCHOUTEN, JAN, QUANJER, PHILIP

Brunekreef B (Department of Environmental Health and Tropical Hygiene, Agricultural University, Gen. Foulkesweg 43, 6703 BM Wageningen, The Netherlands), Fischer P, Remijn B, van der Lenda R,...

Der Maler Johann Melchior Wyrsch von Buochs, 1732-1798 : Sein Leben u. Werk. (1938)

Fischer, Paul.

Auch im Buchh. erw. um 74 Abb. auf 24 Bildtaf. bei Bachmann, Zürich, in Komm.

[Wrocław, Hala Stulecia. Zdjęcie zbiorowe podczas uroczystości w Hali] (1913)

Fischer, Paul

Wrocław, Hala Stulecia (Jahrhunderthalle). Wejście zachodnie. Zdjęcie zbiorowe podczas uroczystości w Hali (uroczystość otwarcia ?)

Ein Fall von einer Operation einer Varicocele / (1888)

Fischer, Paul.

Thesis (doctoral)--Bayerische Julius-Maximilians-Universität Würzburg, 1888.

Quaestiones de Atheniensium sociis historicae / (1887)

Fischer, Paul.

Thesis--Universitas Fridericia Guilelmia Rhenana.

The relationship between air pollution from heavy traffic and allergic sensitization, bronchial hyperresponsiveness, and respiratory symptoms in Dutch schoolchildren.

Janssen, Nicole A H, Brunekreef, Bert, Van Vliet, Patricia, Aarts, Francee, Meliefste, Kees, Harssema, Hendrik, ...

Studies have suggested that children living close to busy roads may have impaired respiratory health. This study was designed to test the hypothesis that exposure to exhaust from heavy traffic in...

The relationship between air pollution from heavy traffic and allergic sensitization, bronchial hyperresponsiveness, and respiratory symptoms in Dutch schoolchildren.

Janssen, Nicole A H, Brunekreef, Bert, Van Vliet, Patricia, Aarts, Francee, Meliefste, Kees, Harssema, Hendrik, ...

Studies have suggested that children living close to busy roads may have impaired respiratory health. This study was designed to test the hypothesis that exposure to exhaust from heavy traffic in...

Resource Allocation Auctions within Firms

STANLEY BAIMAN, PAUL FISCHER, MADHAV V. RAJAN, RICHARD SAOUMA

ABSTRACTThere is growing interest in the use of markets within firms. Proponents have noted that markets are a simple and efficient mechanism for allocating resources in economies in which...

Optimal Contracting with Endogenous Social Norms

Paul Fischer, Steven Huddart

Research in sociology and ethics suggests that individuals adhere to social norms of behavior established by their peers. Within an agency framework, we model endogenous social norms by assuming that...

An apoA-I mimetic peptide facilitates off-loading cholesterol from HDL to liver cells through scavenger receptor BI

Song, Xuelei, Fischer, Paul, Chen, Xun, Burton, Charlotte, Wang, Jun

Apolipoprotein A-I (apoA-I) mimetic peptides have been pursued as new therapeutic agents for the treatment of atherosclerosis, yet their precise mechanism responsible for atheroprotection remains...