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Created page with "'''Home * People * Ulf Lorenz''' FILE:ulflorenz.jpg|border|right|thumb|link=https://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html| U..."
'''[[Main Page|Home]] * [[People]] * Ulf Lorenz'''
[[FILE:ulflorenz.jpg|border|right|thumb|link=https://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html| Ulf Lorenz <ref>[http://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html Prof. Dr. Ulf Lorenz | Betriebswirtschaftslehre - Uni Siegen] (German)</ref> ]]
'''Ulf Lorenz''',<br/>
a German computer scientist and professor at the faculty of [https://en.wikipedia.org/wiki/Business_administration business administration], [https://en.wikipedia.org/wiki/University_of_Siegen University of Siegen], and head of the department of [https://en.wikipedia.org/wiki/Technology_management technology management] <ref>[http://www.wiwi.uni-siegen.de/technologiemanagement/lehrstuhlteam/ Lehrstuhlteam | Betriebswirtschaftslehre (Prof. Dr. Ulf Lorenz)]</ref>.
=Paderborn=
Until 2007, Ulf Lorenz was member of the research group of [[Burkhard Monien]] at the [[Paderborn University]], where he researched on computer chess and in particualar [[Search|search algorithms]]. He created the [[Parallel Controlled Conspiracy Number Search]] algorithm, topic of his Ph.D. thesis <ref>[[Ulf Lorenz]] ('''2000'''). ''[http://digital.ub.uni-paderborn.de/hs/content/titleinfo/2460 Controlled Conspiracy Number Search]''. [[Paderborn University]], Dissertation, advisor [[Burkhard Monien]] (German)</ref>, also practically confirmed inside his unique chess program [[P.ConNerS]].
==Chess Programs==
In Paderbrn, Ulf authored and co-authored various chess programs, most notably the mentioned controlled conspiracy number searcher [[P.ConNerS]], and along with [[Chrilly Donninger]], the [[FPGA]] chess entities [[Brustus]] and [[Hydra]].
* [[APIL chess]]
* [[Brutus]]
* [[Cheiron]]
* [[Cluster Toga]]
* [[GridChess]]
* [[Hydra]]
* [[P.ConNerS]]
* [[Ulysses]]
==IPCCC==
Further, Ulf was [[Tournament Organizers|tournament organizer]] as well participant of the International Paderborn Computer Chess Championship [[IPCCC]].
=Darmstadt=
Ulf Lorenz continued his academical career at the [[Darmstadt University of Technology]], where he researched on [https://en.wikipedia.org/wiki/Mathematical_optimization mathematical optimization] and [https://en.wikipedia.org/wiki/Computational_complexity_theory computational complexity theory], in particular quantified [https://en.wikipedia.org/wiki/Integer_programming integer] [https://en.wikipedia.org/wiki/Linear_programming linear programming] with connections to [https://en.wikipedia.org/wiki/PSPACE-complete PSPACE-complete] [[Games|games]], such as [[Othello]], [[Gomoku]], [[Amazons]] and others <ref>[[Thorsten Ederer]], [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2011'''). ''[http://link.springer.com/chapter/10.1007/978-3-642-31866-5_23 Modeling Games with the Help of Quantified Integer Linear Programs]''. [[Advances in Computer Games 13]]</ref>.
=Photos=
[[FILE:Ulf2000.jpg|none|border|text-bottom|640px|link=http://wwwcs.uni-paderborn.de/%7EIPCCC/IPCCC2000/gallery2.html]]
Ulf Lorenz, [[IPCCC 2000]] <ref>Photo from the [http://wwwcs.uni-paderborn.de/%7EIPCCC/ipccc2000.html IPCCC 2000 Homepage]</ref>
[[FILE:HydraDsc00041.jpg|none|border|text-bottom|640px|link=http://de.chessbase.com/post/die-internationalen-paderborner-computerschachmeisterschaften]]
[[Hydra]] team 2004: [[Ulf Lorenz]], [[Erdogan Günes]] and [[Chrilly Donninger]], [[IPCCC 2004]] <ref>[http://de.chessbase.com/post/die-internationalen-paderborner-computerschachmeisterschaften Die Internationalen Paderborner Computerschachmeisterschaften] by [[Mathias Feist]], [[ChessBase|ChessBase Nachrichten]], February 17, 2004 (German)</ref>
=Selected Publications=
<ref>[http://www2.cs.upb.de/php/monien/mypub.php?author=UlfLorenz Publications of the AG-Monien: Ulf Lorenz]</ref> <ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database] (pdf)</ref> <ref>[http://www.informatik.uni-trier.de/~ley/pers/hd/l/Lorenz:Ulf dblp: Ulf Lorenz]</ref>
==1992 ...==
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1992'''). ''The 2nd International Paderborn Computer-Chess Championship''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]] » [[IPCCC 1992]]
* [[Ingo Althöfer]], [[Chrilly Donninger]], [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1994'''). ''On Timing, Permanent Brain and Human Intervention''. [[Advances in Computer Chess 7]]
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1994'''). ''The 4th International Paderborn Computer-Chess Championship''. [[ICGA Journal#17_4|ICCA Journal, Vol. 17, No. 4]] » [[IPCCC 1994]]
==1995 ...==
* [[Ulf Lorenz]], [[Valentin Rottmann]], [[Rainer Feldmann]], [[Peter Mysliwietz]] ('''1995'''). ''Controlled Conspiracy-Number Search.'' [[ICGA Journal#18_3|ICCA Journal, Vol. 18, No. 3]]
* [[Ulf Lorenz]] ('''1995'''). ''Report on the 13th World Microcomputer-Chess Championship''. [[ICGA Journal#18_4|ICCA Journal, Vol. 18, No. 4]] » [[WMCCC 1995]]
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1997'''). ''Parallel Controlled Conspiracy-Number Search.'' [[Advances in Computer Chess 8]]
* [[Ulf Lorenz]] ('''1997'''). ''The 6th International Paderborn Computer-Chess Championship''. [[ICGA Journal#20_1|ICCA Journal, Vol. 20, No. 1]] » [[IPCCC 1997]]
* [[Ulf Lorenz]], [[Heiner Matthias]] ('''1998'''). ''The 7th International Paderborn Computer-Chess Championship''. [[ICGA Journal#21_1|ICCA Journal, Vol. 21, No. 1]] » [[IPCCC 1998]]
* [[Ulf Lorenz]] ('''1999'''). ''Controlled Conspiracy-2 Search''. Technical Report, [[Paderborn University]], [http://www2.cs.upb.de/cs/ag-monien/PUBLICATIONS/POSTSCRIPTS/Falgo.ps ps]
==2000 ...==
* [[Ulf Lorenz]] ('''2000'''). ''P.ConNerS wins the 10th Grandmaster Tournament in Lippstadt (Germany)''. [[ICGA Journal#23_3|ICGA Journal, Vol. 23, No. 3]]
* [[Ulf Lorenz]] ('''2000'''). ''[http://digital.ub.uni-paderborn.de/hs/content/titleinfo/2460 Controlled Conspiracy Number Search]''. [[Paderborn University]], Dissertation, advisor [[Burkhard Monien]] (German)
* [[Ulf Lorenz]] ('''2000'''). ''Controlled Conspiracy-2 Search''. Proceedings of the 17th Annual Syposium on Theoretical Aspects of Computer Science (STACS)
* [[Ulf Lorenz]] ('''2001'''). ''The 10th International Paderborn Computer-Chess Championship''. [[ICGA Journal#24_1|ICCA Journal, Vol. 24, No. 1]] » [[IPCCC 2001]]
* [[Ulf Lorenz]], [[Burkhard Monien]] ('''2002'''). ''[http://www.springerlink.com/content/f6b4wb6l63dpd0jv/ The Secret of Selective Game Tree Search, When Using Random-Error Evaluations]''. Proceedings of 19th Annual Symposium on Theoretical Aspects of Computer Science (STACS), [http://www.top-5000.nl/ps/The%20secret%20of%20selective%20earch%20when%20using%20random.pdf pdf]
* [[Ulf Lorenz]], [[Valentin Rottmann]], [[Peter Mysliwietz]] ('''2002'''). ''Algorithms for the Consistency Analysis in Scenario Projects''. Combinatorial and Global Optimization, 55-74, Series on Applied Mathematics Vol. 14
* [[Chrilly Donninger]], [[Alex Kure]], [[Ulf Lorenz]] ('''2004'''). ''Parallel Brutus: The First Distributed, FPGA Accelerated Chess Program''. [http://dl.acm.org/citation.cfm?id=645610&picked=prox IPDPS’04]
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2004'''). ''[http://www.springerlink.com/content/hp9la9pwq0a1cmrp/ The Chess Monster Hydra]'' in [http://www.springerlink.com/content/8grv6pu2e8hd/?p=3037c8af6a0147319f6f5a8e133083dd&pi=0 Field Programmable Logic and Application], 14th International Conference, FPL 2004, Leuven, Belgium, August 30-September 1, 2004. Proceedings, pp 927-932. Springer Berlin / Heidelberg, ISBN 978-3-540-22989-6
* [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/ELSA/ Robert Elsässer], [[Ulf Lorenz]], [[Thomas Sauerwald]] ('''2004''''). ''Agent-Based Information Handling in Large Networks''. [http://www.informatik.uni-trier.de/~ley/db/conf/mfcs/mfcs2004.html#ElsasserLS04 MFCS 2004]
==2005 ...==
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2005'''). ''The Hydra project''. Xcell Journal, Issue 53, pp. 94–97.
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2005'''). ''[http://link.springer.com/chapter/10.1007/11922155_1 Innovative Opening-Book Handling]''. [[Advances in Computer Games 11]], [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/FLULO/publications/icga_open_springer.pdf pdf]
* [[Ulf Lorenz]], [[Tobias Tscheuschner]] ('''2005'''). ''[http://link.springer.com/chapter/10.1007/11922155_16 Player Modeling, Search Algorithms and Strategies in Multi-player Games]''. [[Advances in Computer Games 11]]
* [[Ulf Lorenz]] ('''2006'''). ''A new Implementation of Error Analysis in Game Trees''. [[ICGA Journal#29_2|ICGA Journal, Vol. 29, No. 2]]
* [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/ELSA/ Robert Elsässer], [[Ulf Lorenz]], [[Thomas Sauerwald]] ('''2007'''). ''Agent-Based Randomized Broadcasting in Large Networks''. [http://www.informatik.uni-trier.de/~ley/db/journals/dam/dam155.html#ElsasserLS07 Discrete Applied Mathematics]
* [[Kai Himstedt]], [[Ulf Lorenz]], [http://www.informatik.uni-hamburg.de/TIS/index.php Dietmar P. F. Möller] ('''2008'''). ''[http://www.springerlink.com/content/2471845u5w6j1211/ A Twofold Distributed Game-Tree Search Approach Using Interconnected Clusters]''. Euro-Par 2008: 587-598
==2010 ...==
* [[Ulf Lorenz]], [http://www.informatik.uni-trier.de/~ley/pers/hd/m/Martin:Alexander.html Alexander Martin], [[Jan Wolf]] ('''2010'''). ''Polyhedral and Algorithmic Properties of Quantified Linear Programs''. [http://www.informatik.uni-trier.de/~ley/db/conf/esa/esa2010-1.html#LorenzMW10 ESA 2010]
* [[Lars Schaefers]], [[Marco Platzner]], [[Ulf Lorenz]] ('''2011'''). ''UCT-Treesplit - Parallel MCTS on Distributed Memory''. MCTS Workshop, Freiburg, Germany, [http://www.cs.uni-paderborn.de/fileadmin/Informatik/AG-Platzner/People/Schaefers/TreesplitICAPS.pdf pdf]
* [[Tobias Graf]], [[Ulf Lorenz]], [[Marco Platzner]], [[Lars Schaefers]] ('''2011'''). ''Parallel Monte-Carlo Tree Search for HPC Systems''. [http://www.informatik.uni-trier.de/~ley/db/conf/europar/europar2011-2.html Euro-Par 2011], [http://www.cs.uni-paderborn.de/fileadmin/Informatik/AG-Platzner/People/Schaefers/uctTreesplit.pdf pdf]
* [[Thorsten Ederer]], [[Ulf Lorenz]], [http://www.informatik.uni-trier.de/~ley/pers/hd/m/Martin:Alexander.html Alexander Martin], [[Jan Wolf]] ('''2011'''). ''Quantified Linear Programs: A Computational Study''. [http://www.informatik.uni-trier.de/~ley/db/conf/esa/esa2011.html#EdererLMW11 ESA 2011]
* [[Thorsten Ederer]], [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2011'''). ''[http://link.springer.com/chapter/10.1007/978-3-642-31866-5_23 Modeling Games with the Help of Quantified Integer Linear Programs]''. [[Advances in Computer Games 13]]
* [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2013'''). ''Solution Techniques for Quantified Linear Programs and the links to Gaming''. [[CG 2013]]
==2015 ...==
* [[Michael Hartisch]], [[Thorsten Ederer]], [[Ulf Lorenz]], [[Jan Wolf]] ('''2016'''). ''Quantified Integer Programs with Polyhedral Uncertainty Set''. [[CG 2016]]
=External Links=
* [http://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html Prof. Dr. Ulf Lorenz | Betriebswirtschaftslehre - Uni Siegen] (German)
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=70 Ulf Lorenz' ICGA Tournaments]
* [http://de.chessbase.com/post/parallele-schachprogrammierung Parallele Schachprogrammierung], [[ChessBase|ChessBase News]], September, 16, 2003 (German)
* [http://pc2.uni-paderborn.de/research-projects/project/gomputer/ Gomputer: PC² // Paderborn Center for Parallel Computing] » [[Go]], [[FPGA]]
=References=
<references />
'''[[People|Up one level]]'''
[[FILE:ulflorenz.jpg|border|right|thumb|link=https://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html| Ulf Lorenz <ref>[http://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html Prof. Dr. Ulf Lorenz | Betriebswirtschaftslehre - Uni Siegen] (German)</ref> ]]
'''Ulf Lorenz''',<br/>
a German computer scientist and professor at the faculty of [https://en.wikipedia.org/wiki/Business_administration business administration], [https://en.wikipedia.org/wiki/University_of_Siegen University of Siegen], and head of the department of [https://en.wikipedia.org/wiki/Technology_management technology management] <ref>[http://www.wiwi.uni-siegen.de/technologiemanagement/lehrstuhlteam/ Lehrstuhlteam | Betriebswirtschaftslehre (Prof. Dr. Ulf Lorenz)]</ref>.
=Paderborn=
Until 2007, Ulf Lorenz was member of the research group of [[Burkhard Monien]] at the [[Paderborn University]], where he researched on computer chess and in particualar [[Search|search algorithms]]. He created the [[Parallel Controlled Conspiracy Number Search]] algorithm, topic of his Ph.D. thesis <ref>[[Ulf Lorenz]] ('''2000'''). ''[http://digital.ub.uni-paderborn.de/hs/content/titleinfo/2460 Controlled Conspiracy Number Search]''. [[Paderborn University]], Dissertation, advisor [[Burkhard Monien]] (German)</ref>, also practically confirmed inside his unique chess program [[P.ConNerS]].
==Chess Programs==
In Paderbrn, Ulf authored and co-authored various chess programs, most notably the mentioned controlled conspiracy number searcher [[P.ConNerS]], and along with [[Chrilly Donninger]], the [[FPGA]] chess entities [[Brustus]] and [[Hydra]].
* [[APIL chess]]
* [[Brutus]]
* [[Cheiron]]
* [[Cluster Toga]]
* [[GridChess]]
* [[Hydra]]
* [[P.ConNerS]]
* [[Ulysses]]
==IPCCC==
Further, Ulf was [[Tournament Organizers|tournament organizer]] as well participant of the International Paderborn Computer Chess Championship [[IPCCC]].
=Darmstadt=
Ulf Lorenz continued his academical career at the [[Darmstadt University of Technology]], where he researched on [https://en.wikipedia.org/wiki/Mathematical_optimization mathematical optimization] and [https://en.wikipedia.org/wiki/Computational_complexity_theory computational complexity theory], in particular quantified [https://en.wikipedia.org/wiki/Integer_programming integer] [https://en.wikipedia.org/wiki/Linear_programming linear programming] with connections to [https://en.wikipedia.org/wiki/PSPACE-complete PSPACE-complete] [[Games|games]], such as [[Othello]], [[Gomoku]], [[Amazons]] and others <ref>[[Thorsten Ederer]], [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2011'''). ''[http://link.springer.com/chapter/10.1007/978-3-642-31866-5_23 Modeling Games with the Help of Quantified Integer Linear Programs]''. [[Advances in Computer Games 13]]</ref>.
=Photos=
[[FILE:Ulf2000.jpg|none|border|text-bottom|640px|link=http://wwwcs.uni-paderborn.de/%7EIPCCC/IPCCC2000/gallery2.html]]
Ulf Lorenz, [[IPCCC 2000]] <ref>Photo from the [http://wwwcs.uni-paderborn.de/%7EIPCCC/ipccc2000.html IPCCC 2000 Homepage]</ref>
[[FILE:HydraDsc00041.jpg|none|border|text-bottom|640px|link=http://de.chessbase.com/post/die-internationalen-paderborner-computerschachmeisterschaften]]
[[Hydra]] team 2004: [[Ulf Lorenz]], [[Erdogan Günes]] and [[Chrilly Donninger]], [[IPCCC 2004]] <ref>[http://de.chessbase.com/post/die-internationalen-paderborner-computerschachmeisterschaften Die Internationalen Paderborner Computerschachmeisterschaften] by [[Mathias Feist]], [[ChessBase|ChessBase Nachrichten]], February 17, 2004 (German)</ref>
=Selected Publications=
<ref>[http://www2.cs.upb.de/php/monien/mypub.php?author=UlfLorenz Publications of the AG-Monien: Ulf Lorenz]</ref> <ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database] (pdf)</ref> <ref>[http://www.informatik.uni-trier.de/~ley/pers/hd/l/Lorenz:Ulf dblp: Ulf Lorenz]</ref>
==1992 ...==
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1992'''). ''The 2nd International Paderborn Computer-Chess Championship''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]] » [[IPCCC 1992]]
* [[Ingo Althöfer]], [[Chrilly Donninger]], [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1994'''). ''On Timing, Permanent Brain and Human Intervention''. [[Advances in Computer Chess 7]]
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1994'''). ''The 4th International Paderborn Computer-Chess Championship''. [[ICGA Journal#17_4|ICCA Journal, Vol. 17, No. 4]] » [[IPCCC 1994]]
==1995 ...==
* [[Ulf Lorenz]], [[Valentin Rottmann]], [[Rainer Feldmann]], [[Peter Mysliwietz]] ('''1995'''). ''Controlled Conspiracy-Number Search.'' [[ICGA Journal#18_3|ICCA Journal, Vol. 18, No. 3]]
* [[Ulf Lorenz]] ('''1995'''). ''Report on the 13th World Microcomputer-Chess Championship''. [[ICGA Journal#18_4|ICCA Journal, Vol. 18, No. 4]] » [[WMCCC 1995]]
* [[Ulf Lorenz]], [[Valentin Rottmann]] ('''1997'''). ''Parallel Controlled Conspiracy-Number Search.'' [[Advances in Computer Chess 8]]
* [[Ulf Lorenz]] ('''1997'''). ''The 6th International Paderborn Computer-Chess Championship''. [[ICGA Journal#20_1|ICCA Journal, Vol. 20, No. 1]] » [[IPCCC 1997]]
* [[Ulf Lorenz]], [[Heiner Matthias]] ('''1998'''). ''The 7th International Paderborn Computer-Chess Championship''. [[ICGA Journal#21_1|ICCA Journal, Vol. 21, No. 1]] » [[IPCCC 1998]]
* [[Ulf Lorenz]] ('''1999'''). ''Controlled Conspiracy-2 Search''. Technical Report, [[Paderborn University]], [http://www2.cs.upb.de/cs/ag-monien/PUBLICATIONS/POSTSCRIPTS/Falgo.ps ps]
==2000 ...==
* [[Ulf Lorenz]] ('''2000'''). ''P.ConNerS wins the 10th Grandmaster Tournament in Lippstadt (Germany)''. [[ICGA Journal#23_3|ICGA Journal, Vol. 23, No. 3]]
* [[Ulf Lorenz]] ('''2000'''). ''[http://digital.ub.uni-paderborn.de/hs/content/titleinfo/2460 Controlled Conspiracy Number Search]''. [[Paderborn University]], Dissertation, advisor [[Burkhard Monien]] (German)
* [[Ulf Lorenz]] ('''2000'''). ''Controlled Conspiracy-2 Search''. Proceedings of the 17th Annual Syposium on Theoretical Aspects of Computer Science (STACS)
* [[Ulf Lorenz]] ('''2001'''). ''The 10th International Paderborn Computer-Chess Championship''. [[ICGA Journal#24_1|ICCA Journal, Vol. 24, No. 1]] » [[IPCCC 2001]]
* [[Ulf Lorenz]], [[Burkhard Monien]] ('''2002'''). ''[http://www.springerlink.com/content/f6b4wb6l63dpd0jv/ The Secret of Selective Game Tree Search, When Using Random-Error Evaluations]''. Proceedings of 19th Annual Symposium on Theoretical Aspects of Computer Science (STACS), [http://www.top-5000.nl/ps/The%20secret%20of%20selective%20earch%20when%20using%20random.pdf pdf]
* [[Ulf Lorenz]], [[Valentin Rottmann]], [[Peter Mysliwietz]] ('''2002'''). ''Algorithms for the Consistency Analysis in Scenario Projects''. Combinatorial and Global Optimization, 55-74, Series on Applied Mathematics Vol. 14
* [[Chrilly Donninger]], [[Alex Kure]], [[Ulf Lorenz]] ('''2004'''). ''Parallel Brutus: The First Distributed, FPGA Accelerated Chess Program''. [http://dl.acm.org/citation.cfm?id=645610&picked=prox IPDPS’04]
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2004'''). ''[http://www.springerlink.com/content/hp9la9pwq0a1cmrp/ The Chess Monster Hydra]'' in [http://www.springerlink.com/content/8grv6pu2e8hd/?p=3037c8af6a0147319f6f5a8e133083dd&pi=0 Field Programmable Logic and Application], 14th International Conference, FPL 2004, Leuven, Belgium, August 30-September 1, 2004. Proceedings, pp 927-932. Springer Berlin / Heidelberg, ISBN 978-3-540-22989-6
* [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/ELSA/ Robert Elsässer], [[Ulf Lorenz]], [[Thomas Sauerwald]] ('''2004''''). ''Agent-Based Information Handling in Large Networks''. [http://www.informatik.uni-trier.de/~ley/db/conf/mfcs/mfcs2004.html#ElsasserLS04 MFCS 2004]
==2005 ...==
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2005'''). ''The Hydra project''. Xcell Journal, Issue 53, pp. 94–97.
* [[Chrilly Donninger]], [[Ulf Lorenz]] ('''2005'''). ''[http://link.springer.com/chapter/10.1007/11922155_1 Innovative Opening-Book Handling]''. [[Advances in Computer Games 11]], [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/FLULO/publications/icga_open_springer.pdf pdf]
* [[Ulf Lorenz]], [[Tobias Tscheuschner]] ('''2005'''). ''[http://link.springer.com/chapter/10.1007/11922155_16 Player Modeling, Search Algorithms and Strategies in Multi-player Games]''. [[Advances in Computer Games 11]]
* [[Ulf Lorenz]] ('''2006'''). ''A new Implementation of Error Analysis in Game Trees''. [[ICGA Journal#29_2|ICGA Journal, Vol. 29, No. 2]]
* [http://www2.cs.uni-paderborn.de/cs/ag-monien/PERSONAL/ELSA/ Robert Elsässer], [[Ulf Lorenz]], [[Thomas Sauerwald]] ('''2007'''). ''Agent-Based Randomized Broadcasting in Large Networks''. [http://www.informatik.uni-trier.de/~ley/db/journals/dam/dam155.html#ElsasserLS07 Discrete Applied Mathematics]
* [[Kai Himstedt]], [[Ulf Lorenz]], [http://www.informatik.uni-hamburg.de/TIS/index.php Dietmar P. F. Möller] ('''2008'''). ''[http://www.springerlink.com/content/2471845u5w6j1211/ A Twofold Distributed Game-Tree Search Approach Using Interconnected Clusters]''. Euro-Par 2008: 587-598
==2010 ...==
* [[Ulf Lorenz]], [http://www.informatik.uni-trier.de/~ley/pers/hd/m/Martin:Alexander.html Alexander Martin], [[Jan Wolf]] ('''2010'''). ''Polyhedral and Algorithmic Properties of Quantified Linear Programs''. [http://www.informatik.uni-trier.de/~ley/db/conf/esa/esa2010-1.html#LorenzMW10 ESA 2010]
* [[Lars Schaefers]], [[Marco Platzner]], [[Ulf Lorenz]] ('''2011'''). ''UCT-Treesplit - Parallel MCTS on Distributed Memory''. MCTS Workshop, Freiburg, Germany, [http://www.cs.uni-paderborn.de/fileadmin/Informatik/AG-Platzner/People/Schaefers/TreesplitICAPS.pdf pdf]
* [[Tobias Graf]], [[Ulf Lorenz]], [[Marco Platzner]], [[Lars Schaefers]] ('''2011'''). ''Parallel Monte-Carlo Tree Search for HPC Systems''. [http://www.informatik.uni-trier.de/~ley/db/conf/europar/europar2011-2.html Euro-Par 2011], [http://www.cs.uni-paderborn.de/fileadmin/Informatik/AG-Platzner/People/Schaefers/uctTreesplit.pdf pdf]
* [[Thorsten Ederer]], [[Ulf Lorenz]], [http://www.informatik.uni-trier.de/~ley/pers/hd/m/Martin:Alexander.html Alexander Martin], [[Jan Wolf]] ('''2011'''). ''Quantified Linear Programs: A Computational Study''. [http://www.informatik.uni-trier.de/~ley/db/conf/esa/esa2011.html#EdererLMW11 ESA 2011]
* [[Thorsten Ederer]], [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2011'''). ''[http://link.springer.com/chapter/10.1007/978-3-642-31866-5_23 Modeling Games with the Help of Quantified Integer Linear Programs]''. [[Advances in Computer Games 13]]
* [[Ulf Lorenz]], [[Thomas Opfer]], [[Jan Wolf]] ('''2013'''). ''Solution Techniques for Quantified Linear Programs and the links to Gaming''. [[CG 2013]]
==2015 ...==
* [[Michael Hartisch]], [[Thorsten Ederer]], [[Ulf Lorenz]], [[Jan Wolf]] ('''2016'''). ''Quantified Integer Programs with Polyhedral Uncertainty Set''. [[CG 2016]]
=External Links=
* [http://www.wiwi.uni-siegen.de/technologiemanagement/hp/lorenz/lorenz.html Prof. Dr. Ulf Lorenz | Betriebswirtschaftslehre - Uni Siegen] (German)
* [https://www.game-ai-forum.org/icga-tournaments/person.php?id=70 Ulf Lorenz' ICGA Tournaments]
* [http://de.chessbase.com/post/parallele-schachprogrammierung Parallele Schachprogrammierung], [[ChessBase|ChessBase News]], September, 16, 2003 (German)
* [http://pc2.uni-paderborn.de/research-projects/project/gomputer/ Gomputer: PC² // Paderborn Center for Parallel Computing] » [[Go]], [[FPGA]]
=References=
<references />
'''[[People|Up one level]]'''
