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		Paul Fischer, a German mathematician, computer scientist and associate professor and head of the algorithms, logic, and graphs (AlgoLoG) section [1] at Technical University of Denmark, Kongens Lyngby. He holds a M.Sc. in 1983 and Ph.D. 1986 in mathematics from Bielefeld University, and a habilitation in CS from University of Dortmund in 1995 [2]. His research interests include computability theory such as reduction of recursively enumerable Turing degrees and weak truth-table degrees, algorithmic learning, bandit problems and time series analysis. He has also written about GUI programming using Java Swing [3].
Paul Fischer [4]

Bandit Problems

In probability theory, the multi-armed bandit problem faces the tradeoff between exploitation of the slot machine that has the highest expected payoff and exploration to get more information about the expected payoffs of the other machines. The trade-off between exploration and exploitation is also topic in reinforcement learning ^[5]. The gambler has to decide at time steps t = 1, 2, ... which of the finitely many available arms to pull. Each arm produces a reward in a stochastic manner. The goal is to maximize the reward accumulated over time. In 2002, along with Peter Auer and Nicolò Cesa-Bianchi, Paul Fischer introduced the UCB1 (Upper Confidence Bounds) bandit algorithm ^[6], which was applied as selection algorithm UCT to Monte-Carlo Tree Search as elaborated by Levente Kocsis and Csaba Szepesvári in 2006 ^[7].

Selected Publications

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1983 ...

• Paul Fischer (1983). Paare ohne Infimum in den rekursiv aufzählbaren Turing und wtt-Graden. Masters thesis, Bielefeld University (German)
• Paul Fischer (1986). Some Results on Recursively Enumerable Degrees of Weak Reducibilities. Ph.D. thesis, Bielefeld University

1990 ...

• Paul Fischer (1993). Finding Maximum Convex Polygons. FCT 1993, LNCS 710, Springer
• Paul Fischer (1994). Über Algorithmisches Lernen. Habilitation thesis, University of Dortmund (German)
• Paul Fischer (1997). Sequential and Parallel Algorithms for Finding a Maximum Convex Polygon. Computational Geometry, Vol. 7
• Nicolò Cesa-Bianchi, Paul Fischer (1998). Finite-Time Regret Bounds for the Multiarmed Bandit Problem. ICML 1998, CiteSeerX
• Paul Fischer, Hans Ulrich Simon (eds.)(1999). Computational Learning Theory. EuroCOLT'99, LNCS 1572, Springer

2000 ...

• Peter Auer, Nicolò Cesa-Bianchi, Paul Fischer (2002). Finite-time Analysis of the Multiarmed Bandit Problem. Machine Learning, Vol. 47, No. 2, pdf
• Paul Fischer (2005). An Introduction to Graphical User Interfaces with Java Swing. Pearson Education, Addison-Wesley, Amazon.de

2010 ...

• Karunakar Reddy Bayyapu, Paul Fischer (2015). Load Scheduling in a Cloud Based Massive Video-Storage Environment. SYNASC 2014, DOI: 10.1109/SYNASC.2014.54

External Links

• Paul Fischer - Associate Professor
• Paul Fischer - DTU Orbit

References

1. ^ AlgoLoG - The section for Algorithms, Logic and Graphs in the Department of Applied Mathematics and Computer Science at the Technical University of Denmark
2. ^ Paul Fischer - CV
3. ^ Paul Fischer (2005). An Introduction to Graphical User Interfaces with Java Swing. Pearson Education, Addison-Wesley, Amazon.de
4. ^ Paul Fischer - Associate Professor
5. ^ Multi-armed bandit from Wikipedia
6. ^ Peter Auer, Nicolò Cesa-Bianchi, Paul Fischer (2002). Finite-time Analysis of the Multiarmed Bandit Problem. Machine Learning, Vol. 47, No. 2, pdf
7. ^ Levente Kocsis, Csaba Szepesvári (2006). Bandit based Monte-Carlo Planning ECML-06, LNCS/LNAI 4212, pdf
8. ^ dblp: Paul Fischer
9. ^ List of publications, Paul Fischer (pdf)

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