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Michel Van den Bergh

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'''[[Main Page|Home]] * [[People]] * Michel Van den Bergh'''
[[FILE:michel_van_den_bergh_veniceVan den bergh michel 2010.jpg|border|right|thumb|link=https://hardy.uhasselt.be/personal/vdbergh/michel_van_den_bergh_venice.jpg| Michel Van den Bergh <ref>Michel Van den Bergh in , [https://en.wikipedia.org/wiki/Venice VeniceMathematical_Research_Institute_of_Oberwolfach Oberwolfach]2010, [https://hardyopc.uhasseltmfo.bede/personaldetail?photo_id=12542 source], [https:/vdbergh/michel_van_den_bergh_venicecommons.wikimedia.org/wiki/File:Van_den_bergh_michel_2010.jpg imageImage] via by [https://hardyopc.uhasseltmfo.bede/personalpictures_of_author?id=8288 Renate Schmid], [https:/vdbergh/Membersde.wikipedia.org/wiki/michel_id.html Homepage of Michel_Van_den_Bergh Michel Van den Berghfrom Wikipedia.de](German)</ref> ]]
'''Michel Van den Bergh''',<br/>
a Belgian mathematician, Ph.D. in 1985 and [https://en.wikipedia.org/wiki/Habilitation Habilitation] (Hoger Aggregaat) in 1990 from [https://en.wikipedia.org/wiki/University_of_Antwerp University of Antwerp], and director of research at the [https://en.wikipedia.org/wiki/National_Fund_for_Scientific_Research Fund for Scientific Research], also affiliated with the [https://en.wikipedia.org/wiki/University_of_Hasselt University of Hasselt], [https://en.wikipedia.org/wiki/Diepenbeek Diepenbeek], and the [https://en.wikipedia.org/wiki/Vrije_Universiteit_Brussel Free University of Brussels]. He was visiting researcher and professor at [[Massachusetts Institute of Technology|MIT]] in [https://en.wikipedia.org/wiki/Cambridge,_Massachusetts Cambridge, Massachusetts], the [https://en.wikipedia.org/wiki/Louis_Pasteur_University Louis Pasteur University] in [https://en.wikipedia.org/wiki/Strasbourg Strasbourg], the [https://en.wikipedia.org/wiki/Mathematical_Sciences_Research_Institute Mathematical Sciences Research Institute] in [https://en.wikipedia.org/wiki/Berkeley,_California Berkeley, California], and the [https://en.wikipedia.org/wiki/Mittag-Leffler_Institute Mittag Leffler Institute] in [https://en.wikipedia.org/wiki/Stockholm Stockholm] <ref>[http://hardy.uhasselt.be/personal/vdbergh/Members/curreng.pdf CV Michel Van den Bergh] (pdf)</ref>. His research interests include [https://en.wikipedia.org/wiki/Algebraic_topology algebraic topology] and [https://en.wikipedia.org/wiki/Algebraic_geometry algebraic geometry], in particular [https://en.wikipedia.org/wiki/Noncommutative_algebraic_geometry noncommutative algebraic geometry].
=Computer Chess=
Michel Van den Bergh's professional interests in mathematics is supplemented by chess and computer chess programming. He worked on [[Toga|Toga II]] [[Posix]] ports <ref>[httphttps://hardyen.uhasseltwikipedia.beorg/Toga/posix_versionswiki/ POSIX Posix ] ports of some recent version of Toga II] by [[Michel Van den Bergh]]</ref>, on [[icsdrone]], an interface between an ICS ([[Chess Server|Internet Chess Server]]) and a chess engine supporting the [[Chess Engine Communication Protocol]] <ref>[http://hardy.uhasselt.be/Toga/icsdroneng-release/OVERVIEW.txt icsdroneng - Interface between an xboard chess engine and an ICS]</ref>, and made an attempt to transform [[GNU Chess]] into a modern Chess Engine Communication Protocol compliant engine. He is in the process to improve version 5 with various [[Static Exchange Evaluation|SEE]] based [[Pruning|pruning]] techniques and optimizations, where SEESign is faster to determine if the SEE value is below some threshold than computing its actual value <ref>[http://www.talkchess.com/forum/viewtopic.php?topic_view=threads&p=514587 Re: GNU Chess 5.07.175b released] by [[Michel Van den Bergh]], [[CCC]], April 14, 2013</ref>, and further applied [[Automated Tuning|parameter tuning]] using [[Rémi Coulom|Rémi Coulom's]] [[CLOP]], Confident Local Optimization for Noisy Black-Box Parameter Tuning <ref>[http://www.talkchess.com/forum/viewtopic.php?t=47776 GNU Chess 5.07.175b released] by [[Michel Van den Bergh]], [[CCC]], April 13, 2013</ref>. More recently, Michel Van den Bergh is engaged in [[Match Statistics|match statistics]] and [[Match Statistics#SPRT|sequential probability ratio test]].
=Selected Publications=
* [[Michel Van den Bergh]] ('''2013'''). ''On Involutivity of p-Support''. [http://xxx.lanl.gov/abs/1309.6677 arXiv:1309.6677] <ref>[https://en.wiktionary.org/wiki/involutivity involutivity - Wiktionary]</ref> <ref>[https://en.wikipedia.org/wiki/Support_(measure_theory) Support (measure theory) from Wikipedia]</ref>
* [[Michel Van den Bergh]] ('''2014'''). ''Calabi-Yau algebras and superpotentials''. [https://arxiv.org/abs/1008.0599 arXiv:1008.0599v3] <ref>[https://en.wikipedia.org/wiki/Calabi%E2%80%93Yau_algebra Calabi–Yau algebra from Wikipedia]</ref>
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2015'''). ''Non-commutative resolutions of quotient singularities''. [https://arxiv.org/abs/1502.05240 arXiv:1502.05240]
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2015'''). ''Comparing the commutative and non-commutative resolutions for determinantal varieties of skew symmetric and symmetric matrices''. [https://arxiv.org/abs/1511.07290 arXiv:1511.07290]
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2016'''). ''Semi-orthogonal decompositions of GIT quotient stacks''. [https://arxiv.org/abs/1603.02858 arXiv:1603.02858]
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2017'''). ''Non-commutative crepant resolutions for some toric singularities I''. [https://arxiv.org/abs/1701.05255 arXiv:1701.05255] <ref>[https://en.wikipedia.org/wiki/Crepant_resolution Crepant resolution from Wikipedia]</ref>
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2017'''). ''Non-commutative crepant resolutions for some toric singularities II''. [https://arxiv.org/abs/1707.08245 arXiv:1707.08245]
* [[Michel Van den Bergh]] ('''2017'''). ''A Practical Introduction to the GSPRT''. [http://hardy.uhasselt.be/Toga/GSPRT_approximation.pdf pdf] » [[Match Statistics#SPRT|SPRT]] <ref> [[Mathematician#XiaoouLi|Xiaoou Li]], [[Mathematician#JingchenLiu|Jingchen Liu]], [[Mathematician#ZhiliangYing|Zhiliang Ying]] ('''2014'''). ''[https://www.tandfonline.com/doi/abs/10.1080/07474946.2014.961861 Generalized Sequential Probability Ratio Test for Separate Families of Hypotheses]''. [https://www.tandfonline.com/loi/lsqa20?open=36&year=2017&repitition=0 Sequential Analysis], Vol. 33, No. 4, [http://stat.columbia.edu/~jcliu/paper/GSPRT_SQA3.pdf pdf]</ref>
* [[Mathematician#SSpenko|Špela Špenko]], [[Michel Van den Bergh]] ('''2019'''). ''A class of perverse schobers in Geometric Invariant Theory''. [https://arxiv.org/abs/1908.04213 arXiv:1908.04213] <ref>[https://en.wikipedia.org/wiki/Perverse_sheaf Perverse sheaf from Wikipedia]</ref>
* [[Michel Van den Bergh]] ('''2019'''). ''The Generalized Maximum Likelihood Ratio for the Expectation Value of a Distribution''. [http://hardy.uhasselt.be/Fishtest/support_MLE_multinomial.pdf pdf]
=Forum Posts=
* [http://www.talkchess.com/forum/viewtopic.php?t=24108 Linux port of newer versions of TogaII] by [[Michel Van den Bergh]], [[CCC]], October 01, 2008
* [http://www.talkchess.com/forum/viewtopic.php?p=230318?start=8 Re: Derivatives are real programs too] by [[Michel Van den Bergh]], [[CCC]], November 06, 2008
* [http://www.talkchess.com/forum/viewtopic.php?t=25582 Polyglot now supports the UCI protocol:-)] by [[Michel Van den Bergh]], [[CCC]], December 22, 2008 » [[PolyglotPolyGlot]], [[UCI]]
* [http://www.talkchess.com/forum/viewtopic.php?t=30036 Can someone explain this?] by [[Michel Van den Bergh]], [[CCC]], October 07, 2009 » [[Toga]], [[History Leaf Pruning]]
* [http://www.talkchess.com/forum/viewtopic.php?t=30326 Info from timeout search] by [[Michel Van den Bergh]], [[CCC]], October 26, 2009
* [http://www.talkchess.com/forum/viewtopic.php?t=51000 Two fold repetition rule] by [[Michel Van den Bergh]], [[CCC]], January 22, 2014 » [[Repetitions]]
==2015 ...==
* [http://www.talkchess.com/forum/viewtopic.php?t=55893 Script for computing SPRT probabilities] by [[Michel Van den Bergh]], [[CCC]], April 05, 2015 » [[Match Statistics#SPRT|SPRT]]
* [http://www.talkchess.com/forum/viewtopic.php?t=57465 The SPRT without draw model, elo model or whatever...] by [[Michel Van den Bergh]], [[CCC]], September 01, 2015
: [http://talkchess.com/forum/viewtopic.php?t=57465&start=19 Re: The SPRT without draw model, elo model or whatever..] by [[Michel Van den Bergh]], [[CCC]], August 18, 2016 » [[Match Statistics#SPRT|SPRT]] [[Python]] code <ref>[http://hardy.uhasselt.be/Toga/GSPRT_approximation.pdf GSPRT approximation] (pdf) by [[Michel Van den Bergh]]</ref>
* [http://www.talkchess.com/forum/viewtopic.php?t=66793 Elo measurement of contempt in SF in self-play] by [[Michel Van den Bergh]], [[CCC]], March 10, 2018 » [[Contempt Factor|Contempt]], [[Playing Strength]], [[Stockfish]]
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=69407 Fixed nodes games and the pentanomial model] by [[Michel Van den Bergh]], [[CCC]], December 29, 2018
==2020 ...==
* [http://www.talkchess.com/forum3/viewtopic.php?f=7&t=72962&start=6 Re: Stockfish Reverts 5 Recent Patches] by [[Michel Van den Bergh]], [[CCC]], February 02, 2020
=External Links=
* [http://hardy.uhasselt.be/personal/vdbergh/Publications/michel_pub.html Publications of Michel Van den Bergh]
* [https://en.wikipedia.org/wiki/Michel_Van_den_Bergh Michel Van den Bergh from Wikipedia]
* [httphttps://genealogy.math.ndsu.nodak.edu/id.php?id=52121 The Mathematics Genealogy Project - Michel Van den Bergh]* [httphttps://scholar.google.com/citations?user=DT8oL8AAAAAJ&hl=en Michel Van den Bergh - Google Scholar Citations]* [httphttps://owpdbopc.mfo.de/person_detail?id=6692 Details for Michel Van den Bergh], [https://en.wikipedia.org/wiki/Oberwolfach Oberwolfach] Photo Collection
==Computer Chess==
* [http://hardy.uhasselt.be/Toga/ Some chess stuff] by [[Michel Van den Bergh]]
* [httphttps://hardygithub.uhasseltcom/vdbergh vdbergh · GitHub]* [https://github.becom/Togavdbergh/book_format.html Polyglot book format] by [[Michel Van den Bergh]] » [[Polyglot]pentanomial GitHub - vdbergh/pentanomial: SPRT for pentanomial frequencies and simulation tools]* [httphttps://hardygithub.uhasselt.becom/Togavdbergh/posix_versionssimul GitHub - vdbergh/ Posix ports of some recent version of Toga II] by [[Michel Van den Bergh]] » [[Toga]simul: A multi-threaded pentanomial simulator]
=References=
<references />
 
'''[[People|Up one level]]'''
[[Category:Mathematician|Van den Bergh]]
[[Category:Chess Programmer|Van den Bergh]]
[[Category:Stockfish Contributor|Van den Bergh]]

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