̵¸Â²ÄÀÑʬ·ÏÄÌ¿® (Infinite Analysis News Letters)
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INFINITE ANALYSIS NEWS LETTER No.406 December 26, 2000
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Seminar Information
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¥»¥ß¥Ê¡Ý¤Î¤´°ÆÆâ
Æü»þ 2001ǯ £²·î 23Æü(¶â) 10¡§30¡Á
¾ì½ê ¿À¸ÍÂç³ØÍý³ØÉô £Ã501 ¹æ¼¼
¹Ö±é¼Ô John Cardy( Oxford Âç³Ø ÍýÏÀʪÍý )
Âê ÌÜ Conformal Invariance and Percolation Crossing Probabilities
Ï¢ÍíÀè ¿À¸ÍÂç³ØÍý³ØÉô¿ô³Ø²Ê
Èõ¸ý ÊÝÀ®
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INFINITE ANALYSIS NEWS LETTER No.405.1 December 20, 2000
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Information
==============================================
£±¹ÔÄɲÃÄûÀµÈÇ --- Postdoctoral Fellowship ¤Î¸øÊç¤Ë¤Ä¤¤¤Æ
±Ñ¹ñHullÂç³Ø¤Î Ian Strachan ¤«¤é²¼µ¤Î¤è¤¦¤Ë Postdoc ¤Î¸øÊç
¾ðÊó¤¬ÆÏ¤¤Þ¤·¤¿¡£´Ø¿´¤ò¤ª»ý¤Á¤ÎÊý¤ÏľÀܽñ¤Ï¢ÍíÀè¤Þ¤Ç¤ªÌä
¤¤¹ç¤ï¤»²¼¤µ¤¤¡£
¡ÊÄɲ⪢ª¡Ë ¹âºê¶âµ×
Postdoctoral Research Assistantship
Department of Mathematics
University of Hull
Applications are invited for a postdoctoral research
assistantship to work with Dr. Ian Strachan on a project:
Frobenius manifolds: Submanifolds, the Isomonodromic
tau-function and deformations of Hydrodynamic Systems
funded by the United Kingdom's EPSRC (the Engineering and
Physical Sciences Research Council). You will become a
member of the Department's Geometry Research Group,
currently consisting of Prof. Dmitri Alekseevsky,
Dr. Jurgen Berndt and Dr. Ian Strachan, and three
postdoctoral research assistants. A summary of the
group's activities may be found on its web pages:
http://www.hull.ac.uk/maths/research/areas/geometry.html
The post is for 2 years, starting from 1st July 2001 or as
soon as possible thereafter. Starting salary will be in the
range =A316,775-=A318,731.
For more details of the research project please contact:
Dr Ian Strachan,
Department of Mathematics,
The University of Hull,
Hull. HU6 7RX
U.K.
Applications (2 copies of a CV including a short statement of
your own research interests and plans) giving the names of
two academic referees should be sent by Monday 5th February
2001 to:
The Faculty of Science,
Personnel Office,
The University of Hull,
Hull. HU6 7RX
U.K.
quoting reference: EM74.
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INFINITE ANALYSIS NEWS LETTER No.405 December 20, 2000
=========================================================
==============================================
Information
==============================================
Postdoctoral Fellowship ¤Î¸øÊç¤Ë¤Ä¤¤¤Æ
±Ñ¹ñHullÂç³Ø¤Î Ian Strachan ¤«¤é²¼µ¤Î¤è¤¦¤Ë Postdoc ¤Î¸øÊç
¾ðÊó¤¬ÆÏ¤¤Þ¤·¤¿¡£´Ø¿´¤ò¤ª»ý¤Á¤ÎÊý¤ÏľÀܽñ¤Ï¢ÍíÀè¤Þ¤Ç¤ªÌä
¤¤¹ç¤ï¤»²¼¤µ¤¤¡£
Postdoctoral Research Assistantship
Department of Mathematics
University of Hull
Applications are invited for a postdoctoral research
assistantship to work with Dr. Ian Strachan on a project:
Frobenius manifolds: Submanifolds, the Isomonodromic
tau-function and deformations of Hydrodynamic Systems
funded by the United Kingdom's EPSRC (the Engineering and
Physical Sciences Research Council). You will become a
member of the Department's Geometry Research Group,
currently consisting of Prof. Dmitri Alekseevsky,
Dr. Jurgen Berndt and Dr. Ian Strachan, and three
postdoctoral research assistants. A summary of the
group's activities may be found on its web pages:
http://www.hull.ac.uk/maths/research/areas/geometry.html
The post is for 2 years, starting from 1st July 2001 or as
soon as possible thereafter. Starting salary will be in the
range =A316,775-=A318,731.
For more details of the research project please contact:
Dr Ian Strachan,
Department of Mathematics,
The University of Hull,
Hull. HU6 7RX
U.K.
Applications (2 copies of a CV including a short statement of
your own research interests and plans) giving the names of
two academic referees should be sent by Monday 5th February
2001 to:
The Faculty of Science,
Personnel Office,
The University of Hull,
Hull. HU6 7RX
U.K.
quoting reference: EM74.
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INFINITE ANALYSIS NEWS LETTER No.404 December 4, 2000
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Seminar Information
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Åìµþ̵¸Â²ÄÀÑʬ·Ï¥»¥ß¥Ê¡¼
¡Ê¾ì½ê¡¢ÍËÆü¡¢»þ´Ö¤¬¤¤¤Ä¤â¤È°ã¤¤¤Þ¤¹¡£¡Ë
12 ·î 13 Æü(¿å) 16»þ30ʬ -- 17»þ30ʬ
¤ªÃã¤Î¿å½÷»ÒÂç³Ø¡¦Íý³ØÉôÆó¹æ´Û 401
(cf. http://www-s.cc.ocha.ac.jp/)
¹Ö±é¼Ô¡§ »³ÅÄ Íµ»Ë (²¬»³Âç³Ø)
ɽÂê ¡§ "A^(1)_1 ¤Î´ðËÜɽ¸½¤È NLS ·Ï¡¤Virasoro Âå¿ô"
¾°¡¢»³ÅÄÀèÀ¸¤Ï 12 ·î 11 Æü¡Ê·î¡Ë¡Á 15 Æü¡Ê¶â¡Ë¤Ë¤ªÃã¤Î¿å½÷»Ò
Âç³Ø¤Ë¤Æ Schur È¡¿ô¤Ë¤Ä¤¤¤Æ¤Î½¸Ãæ¹ÖµÁ¤ò¤µ¤ì¤Þ¤¹¡£»þ´Ö¡¢¾ì½ê
¤Ê¤É¤Ë¤Ä¤¤¤Æ¤ÏÉðÉô¤Ë¤ªÌ䤤¹ç¤ï¤»²¼¤µ¤¤¡£
ÉðÉô¾°»Ö
==================================================
Infinite Analysis Seminar Tokyo
Date: 13 Dec. 2000 (Wed), 16:30 -- 17:30.
Place: Bldg. 2, room 401, Faculty of Science,
Ochanomizu University,
(cf. http://www-s.cc.ocha.ac.jp/)
Speaker: Hiro-Fumi Yamada (Okayama University)
Title : "The basic representation of A^(1)_1, NLS hierarchy and
the Virasoro algebra"
Prof. Yamada will make a series of lectures on Schur
functions from 11 Dec. (Mon) till 15 Dec. (Fri) at
Ochanomizu University. For details take contact with Takebe.
For information: Takashi Takebe
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INFINITE ANALYSIS NEWS LETTER No.403.1 November 29, 2000
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Seminar Information
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No. 403 ¡ÖArithmetic and Algebraic Geometry¡×
¤Î¥×¥í¥°¥é¥à¤Ë¥ß¥¹¤¬¤¢¤ê¤Þ¤·¤¿¤Î¤Ç½¤ÀµÈǤò¤ªÁ÷¤êÃפ·¤Þ¤¹¡£
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\begin{document}
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\begin{center}
\LARGE
{\bf Arithemetic and Algebraic Geometry}
\end{center}
\normalsize
\vspace{0.8cm}
²Ê³Ø¸¦µæÈñ(²ÝÂêÈÖ¹æ12894001)¤Ë¤è¤êɸµ¤Î¤è¤¦¤Ê¥ï¡¼¥¯¥·¥ç¥Ã¥×¤ò²¼µ¤ÎÍ×ÎΤÇ
¹Ô¤¤¤Þ¤¹¤Î¤Ç¤´°ÆÆâ¤¤¤¿¤·¤Þ¤¹.
\vspace{0.2cm}
\noindent
\hspace*{8.0cm} ·Ë¡¡Íø¹Ô (ÅìÂç¿ôÍý) \\
\noindent
1. Æü»þ¡¡¡§¡¡2001ǯ1·î15Æü(·î) -- 1·î18Æü(ÌÚ)
\noindent
2. ¾ì½ê¡¡¡§¡¡ÅìµþÂç³ØÂç³Ø±¡¿ôÍý²Ê³Ø¸¦µæ²ÊÂç¹ÖµÁ¼¼\\
\hspace*{2.5cm} ¡Êµþ²¦°æ¤ÎƬÀþ¶ð¾ìÅìÂçÁ°±Ø²¼¼ÖÅÌÊ⣵ʬ¡Ë
\noindent
3. ¥×¥í¥°¥é¥à
\vspace{0.1cm}
\noindent
\underline{1·î15Æü(·î)}
\noindent
11:20 --12:20 µÜ²¬¡¡Íΰì¡ÊµþÂç¿ôÍý¸¦¡Ë¡§\\
\hspace*{1cm}Characterizations of projective spaces
and applications to complex \\
\hspace*{1cm}symplectic manifolds
\noindent
13:50 --14:50 G. van der Geer (Univ. of Amsterdam)¡§\\
\hspace*{1cm}On a stratification of the moduli of K3 surfaces
\noindent
15:00 --16:00 µÈ²¬¡¡¹¯ÂÀ (¿À¸ÍÂçÍý)¡§\\
\hspace*{1cm}Moduli of vector bundle on ruled surfaces
\noindent
16:10 --17:10 ºØÆ£¡¡À¯É§¡Ê¿À¸ÍÂçÍý¡Ë¡§\\
\hspace*{1cm}Deformations of Okamoto--Painlev\'e pairs and Painlev\'e equations
\vspace{0.2cm}
\noindent
\underline{1·î16Æü(²Ð)}
\noindent
10:00 --11:00 I. Dolgachev (Univ. of Michigan)¡§\\
\hspace*{1cm}Automorphisms of K3 surfaces in characteristic $p > 0$
\noindent
11:20 --12:20 ¶âƼ¡¡À¿Ç· (̾Â翸µ¿ôÍý)¡§\\
\hspace*{1cm}The moduli of Enriques surfaces and Borcherds products
\noindent
13:50 --14:50 ±öÅÄ¡¡Å°¼£¡ÊΩ¶µÂçÍý¡Ë¡§\\
\hspace*{1cm}Integral points and Mordell-Weil lattices
\noindent
15:00 --16:00 C. Faber (Royal Inst. of Tech.)¡§\\
\hspace*{1cm}Counting curves over finite fields and cohomology of moduli spaces
\noindent
16:10 --17:10 ÅçÅÄ¡¡°ËÃÎϯ (ËÌÂçÍý)¡§\\
\hspace*{1cm}Lattices of algebraic cycles on Fermat varieties
in positive \\
\hspace*{1cm}characteristics
\newpage
\noindent
\underline{1·î17Æü(¿å)}
\noindent
10:00 --11:00 N. Katz (Princeton Univ.) ¡§\\
\hspace*{1cm}TBA
\noindent
11:20 --12:20 ºØÆ£¡¡µ£¡ÊÅìÂç¿ôÍý¡Ë¡§\\
\hspace*{1cm}Conductor formula of Bloch
\noindent
13:50 --14:50 ÄÔ¡¡Íº¡ÊÅìÂç¿ôÍý¡Ë¡§\\
\hspace*{1cm}p-adic Hodge theory (survey)
\noindent
15:00 --16:00 B. Moonen (Univ. of Utrecht)¡§\\
\hspace*{1cm}Toward a Serre-Tate for Shimura varieties
\noindent
16:10 --17:10 ºØÆ£¡¡½¨»Ê (̾Â翸µ¿ôÍý)¡§\\
\hspace*{1cm}A Hodge theoretic approach to the theory of mixed motives
\noindent
17:30 \quad º©¿Æ²ñ
\vspace{0.2cm}
\noindent
\underline{1·î18Æü(ÌÚ)}
\noindent
10:00 --11:00 N. Shepherd-Barron (Cambridge Univ.)¡§\\
\hspace*{1cm}TBA
\noindent
11:20 --12:20 ²ÃÆ£¡¡Ê¸¸µ (µþÂçÍý)¡§\\
\hspace*{1cm}Uniformization of p-adic orbifords and its applications
\noindent
13:50 --14:50 W. Lang (Brigham Young Univ.)¡§\\
\hspace*{1cm}Configurations of singular fibres on rational elliptic
surfaces in \\
\hspace*{1cm}characteristic two
\noindent
15:00 --16:00 ˾·î¡¡¿·°ì(µþÂç¿ôÍý¸¦)¡§\\
\hspace*{1cm}The Hodge-Arakelov theory of elliptic curves in positive \\
\hspace*{1cm}characteristic
\vspace{0.2cm}
\noindent
4. ¹Ö±éͽÄê \\
\noindent
\hspace*{0.2cm} \begin{tabular}{| c| c| c|c| c|} \hline
& 15Æü(·î) & 16Æü(²Ð) & 17Æü(¿å) & 18Æü(ÌÚ)\\ \hline
10:00 --11:00 & & Dolgachev & Katz & Shepherd-Barron \\ \hline
11:20 --12:20 & µÜ²¬ & ¶âƼ & ºØÆ£(µ£) & ²ÃÆ£(ʸ) \\ \hline
13:50 --14:50 &van der Geer &±öÅÄ & ÄÔ & Lang\\ \hline
15:00 --16:00 & µÈ²¬ & Faber¡¡& Moonen & ˾·î \\ \hline
16:10 --17:10 & ºØÆ£(À¯) & ÅçÅÄ &ºØÆ£(½¨) & \\ \hline
\end{tabular}
\vspace{0.2cm}
\noindent
5. Ì䤤¹ç¤ï¤»Àè
·Ë¡¡Íø¹Ô
ÅìµþÂç³ØÂç³Ø±¡¿ôÍý²Ê³Ø¸¦µæ²Ê
¢©185-8914 ÅìµþÅÔÌܹõ¶è¶ð¾ì3-8-1
\end{document}
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INFINITE ANALYSIS NEWS LETTER No.403 November 29, 2000
=========================================================
==============================================
Seminar Information
==============================================
\documentstyle[11pt]{jarticle}
\voffset=1cm
\begin{document}
\pagestyle{empty}
\begin{center}
\LARGE
{\bf Arithemetic and Algebraic Geometry}
\end{center}
\normalsize
\vspace{0.8cm}
²Ê³Ø¸¦µæÈñ´ðÈ׸¦µæ(C)(2)(´ë²èÄ´ºº)(²ÝÂêÈÖ¹æ12894001)¤Ë¤è¤ê²¼µ¤ÎÍ×ÎΤÇ
¥ï¡¼¥¯¥·¥ç¥Ã¥×¤ò¹Ô¤¤¤Þ¤¹¤Î¤Ç¤´°ÆÆâ¤¤¤¿¤·¤Þ¤¹.
\vspace{0.2cm}
\noindent
\hspace*{8.0cm} ·Ë¡¡Íø¹Ô (ÅìÂç¿ôÍý) \\
\noindent
1. Æü»þ¡¡¡§¡¡2001ǯ1·î15Æü(·î) -- 1·î18Æü(ÌÚ)
\noindent
2. ¾ì½ê¡¡¡§¡¡ÅìµþÂç³ØÂç³Ø±¡¿ôÍý²Ê³Ø¸¦µæ²ÊÂç¹ÖµÁ¼¼\\
\hspace*{2.5cm} ¡Êµþ²¦°æ¤ÎƬÀþ¶ð¾ìÅìÂçÁ°±Ø²¼¼ÖÅÌÊ⣵ʬ¡Ë
\noindent
3. ¥×¥í¥°¥é¥à
\vspace{0.1cm}
\noindent
\underline{1·î15Æü(·î)}
\noindent
10:00 --11:00 Registration
\noindent
11:20 --12:20 G. van der Geer (Univ. of Amsterdam)¡§\\
\hspace*{1cm}On a stratification of the moduli of K3 surfaces
\noindent
13:50 --14:50 µÈ²¬¡¡¹¯ÂÀ (¿À¸ÍÂçÍý)¡§\\
\hspace*{1cm}Moduli of vector bundle on ruled surfaces
\noindent
15:00 --16:00 ºØÆ£¡¡À¯É§¡Ê¿À¸ÍÂçÍý¡Ë¡§\\
\hspace*{1cm}Deformations of Okamoto--Painlev\'e pairs and Painlev\'e equations
\noindent
16:10 --17:10 µÜ²¬¡¡Íΰì¡ÊµþÂç¿ôÍý¸¦¡Ë¡§\\
\hspace*{1cm}Characterizations of projective spaces
and applications to complex \\
\hspace*{1cm}symplectic manifolds
\vspace{0.2cm}
\noindent
\underline{1·î16Æü(²Ð)}
\noindent
10:00 --11:00 I. Dolgachev (Michigan Univ.)¡§\\
\hspace*{1cm}Automorphisms of K3 surfaces in characteristic $p > 0$
\noindent
11:20 --12:20 ¶âƼ¡¡À¿Ç· (̾Â翸µ¿ôÍý)¡§\\
\hspace*{1cm}The moduli of Enriques surfaces and Borcherds products
\noindent
13:50 --14:50 ±öÅÄ¡¡Å°¼£¡ÊΩ¶µÂçÍý¡Ë¡§\\
\hspace*{1cm}Integral points and Mordell-Weil lattices
\noindent
15:00 --16:00 C. Faber (Royal Inst. of Tech.)¡§\\
\hspace*{1cm}Counting curves over finite fields and cohomology of moduli spaces
\noindent
16:10 --17:10 ÅçÅÄ¡¡°ËÃÎϯ (ËÌÂçÍý)¡§\\
\hspace*{1cm}Lattices of algebraic cycles on Fermat varieties
in positive \\
\hspace*{1cm}characteristics
\newpage
\noindent
\underline{1·î17Æü(¿å)}
\noindent
10:00 --11:00 N. Katz (Princeton Univ.) ¡§\\
\hspace*{1cm}TBA
\noindent
11:20 --12:20 ºØÆ£¡¡µ£¡ÊÅìÂç¿ôÍý¡Ë¡§\\
\hspace*{1cm}Conductor formula of Bloch
\noindent
13:50 --14:50 ÄÔ¡¡Íº¡ÊÅìÂç¿ôÍý¡Ë¡§\\
\hspace*{1cm}p-adic Hodge theory (survey)
\noindent
15:00 --16:00 B. Moonen (Univ. of Utrecht)¡§\\
\hspace*{1cm}Toward a Serre-Tate for Shimura varieties
\noindent
16:10 --17:10 ºØÆ£¡¡½¨»Ê (̾Â翸µ¿ôÍý)¡§\\
\hspace*{1cm}A Hodge theoretic approach to the theory of mixed motives
\noindent
17:30 \quad º©¿Æ²ñ
\vspace{0.2cm}
\noindent
\underline{1·î18Æü(ÌÚ)}
\noindent
10:00 --11:00 N. Shepherd-Barron (Cambridge Univ.)¡§\\
\hspace*{1cm}TBA
\noindent
11:20 --12:20 W. Lang (Brigham Young Univ.)¡§\\
\hspace*{1cm}Configurations of singular fibres on rational elliptic surfaces in \\
\hspace*{1cm}characteristic two
\noindent
13:50 --14:50 ²ÃÆ£¡¡Ê¸¸µ (µþÂçÍý)¡§\\
\hspace*{1cm}Uniformization of p-adic orbifords and its applications
\noindent
15:00 --16:00 ˾·î¡¡¿·°ì(µþÂç¿ôÍý¸¦)¡§\\
\hspace*{1cm}The Hodge-Arakelov theory of elliptic curves in positive \\
\hspace*{1cm}characteristic
\vspace{0.2cm}
\noindent
4. ¹Ö±éͽÄê \\
\noindent
\hspace*{0.2cm} \begin{tabular}{| c| c| c|c| c|} \hline
& 15Æü(·î) & 16Æü(²Ð) & 17Æü(¿å) & 18Æü(ÌÚ)\\ \hline
10:00 --11:00 & & Dolgachev & Katz & Shepherd-Barron \\ \hline
11:20 --12:20 & van der Geer & ¶âƼ & ºØÆ£(µ£) & Lang \\ \hline
13:50 --14:50 &µÈ²¬ &±öÅÄ & ÄÔ & ²ÃÆ£(ʸ)\\ \hline
15:00 --16:00 & ºØÆ£(À¯) & Faber¡¡& Moonen & ˾·î \\ \hline
16:10 --17:10 & µÜ²¬ & ÅçÅÄ &ºØÆ£(½¨) & \\ \hline
\end{tabular}
\vspace{0.2cm}
\noindent
5. Ì䤤¹ç¤ï¤»Àè
·Ë¡¡Íø¹Ô
ÅìµþÂç³ØÂç³Ø±¡¿ôÍý²Ê³Ø¸¦µæ²Ê
¢©185-8914 ÅìµþÅÔÌܹõ¶è¶ð¾ì3-8-1
\end{document}
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INFINITE ANALYSIS NEWS LETTER No.402 November 27, 2000
=========================================================
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Seminar Information
==============================================
Åìµþ̵¸Â²ÄÀÑʬ·Ï¥»¥ß¥Ê¡¼
12·î9Æü(ÅÚ)£±»þ00ʬ -- £²»þ00ʬ
¶ð¾ì¡¦ÅìÂç¿ôÍý²Ê³Ø¸¦µæ²Ê056
¹Ö±é¼Ô¡§ ÃæÅç ·¼ (µþÂç Íý)
ɽÂê ¡§ "$t$-analogue of the $q$-characters of finite dimensional
representations of quantum affine algebras" (math.QA/0009231)
ÇòÀнá°ì
==================================================
Infinite Analysis Seminar Tokyo
Date: 9 Dec. 2000 (Sat), 13:00 -- 14:00.
Place: room 056, Graduate School of Mathematical Sciences,
University of Tokyo (Komaba Campus).
Speaker: Hiraku Nakajima (Dep. of Math. Kyoto Univ.)
Title : "$t$-analogue of the $q$-characters of finite dimensional
representations of quantum affine algebras" (math.QA/0009231)
For information: Shiraishi, Jun'ichi
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INFINITE ANALYSIS NEWS LETTER No.401 November 27, 2000
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ÆüËÜ¿ô³Ø²ñ̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥ó¤Ç¤Î¹Ö±é¤Î¤ª´ê¤¤
==============================================
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½Õ¤Î·Ä±þµÁ½ÎÂç³ØÍý¹©³ØÉô¤Ç¤Î³Ø²ñ¡Ê£³·î£²£¶Æü-£²£¹Æü¡Ë
¤Î̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥ó¤ÇÀ§Èó¹Ö±é¤ò¤·¤Æ²¼¤µ¤¤¡¥
¹Ö±é¿½¤·¹þ¤ß¤ÎÄùÀڤϣ±£²·î£¸Æü¡ÊɬÃå¡Ë¤Ç¤¹¡¥
Åö¥»¥Ã¥·¥ç¥ó¤¬À¹²ñ¤È¤Ê¤ê¤Þ¤¹¤è¤¦¡¢
³§Íͤθ涨ÎϤò¤ª´ê¤¤¿½¤·¾å¤²¤Þ¤¹¡¥
Èø³ÑÀµ¿Í¡Ê̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥óÀÕǤ¼Ô¡Ë
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INFINITE ANALYSIS NEWS LETTER No.400 November 21, 2000
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Seminar Information
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Infinite Analysis Seminar
Date: Dec 4 (Mon)
Place: Room 009, RIMS, Kyoto University
10:30-11:30, V.E. Adler (Institute of Mathematics, Ufa, Russia)
Unified approach to the relativistic Toda type lattices and their
discrete analogs
********************************************************************
Date: Dec 5 (Tue)
Place: Room 402, RIMS, Kyoto University
10:30-11:30¡¤V.E. Adler (Institute of Mathematics, Ufa, Russia)
On the discretizations of the Landau-Lifshitz equation
*********************************************************************
%----abstract 1---------------------------------------------------------------
\documentstyle{article}
\title{Unified approach to the relativistic Toda type lattices and their
discrete analogs}
\author{V.E. Adler}
\date{\null}
\begin{document}
\maketitle
Four classes of equations: DRTL, DTL, RTL and TL (D=discrete,
R=relativistic, TL=Toda type lattices) are of great importance in the
modern 1+1-dimensional soliton theory. The contributions by Toda,
Ruijsenaars, Hirota, Yamilov and Suris should be mentioned among the
others. The aim of the present talk is to give an unified approach which
allows to classify integrable cases and to establish some hidden links
between these equations.
The main idea can be illustrated for the RTL class of the form
\[
q''= r(q')(q'_1h(q_1-q)-q'_{-1}h(q-q_{-1})+g(q_1-q)-g(q-q_{-1})).
\]
The momentum conservation law for this equation can be written in two
equivalent forms:
\[
(a'(q')-c(q-q_{-1}))'=(T-1)(q'h(q-q_{-1})+g(q-q_{-1})) \qquad\Leftrightarrow
\]\[
(a'(q')-c(q_1-q))'=(T-1)(q'_{-1}h(q-q_{-1})+g(q-q_{-1}))
\]
where $a''=1/r,$ $c'=h$ and $T$ denotes shift $q\to q_1.$ This allows to
introduce the pair of transformations
\begin{eqnarray*}
T_-:&& Q' = q'h(q-q_{-1})+g(q-q_{-1}), \quad
Q_1-Q = a'(q')-c(q-q_{-1}), \\
T_+:&& \tilde Q' = q'_{-1}h(q-q_{-1})+g(q-q_{-1}), \quad
\tilde Q_1-\tilde Q = a'(q')-c(q_1-q).
\end{eqnarray*}
The requirement that variables $Q$ and $\tilde Q$ satisfy the same equation
is stringent enough and allows to obtain some finite list of integrable
RTL. However, it does not work for the subclass of nonrelativistic lattices
($h=0$), which are characterized by the property $T_+=T_-.$ Nevertheless,
this subclass does not require special treatment: it turns out that
iterations of transformation $T^{-1}_-T_+$ for RTL are governed by some TL.
Analogous results are valid for the DRTL class
\[
(T_1-1)f(q-q_{-1,0}) +(T_2-1)g(q-q_{0,-1}) +(T_1T_2-1)h(q-q_{-1,-1}) = 0.
\]
It should be noticed that RTL can be obtained from DRTL by means of
continuous limit. Other remarkable links between equations under scrutiny
can be expressed symbolically as follows:
\[
\mbox{TL=BT(RTL),\quad DTL=BT(DRTL)=NSP(TL,RTL)}
\]
where BT and NSP denote B\"acklund transformation and nonlinear
superposition principle.
\medskip
This talk is based on the paper \smallskip
V.E. Adler, On the structure of the B\"acklund transformations for the
relativistic lattices, {\em J. of Nonl. Math. Phys. \bf 7:1} (2000) 34--56.
\end{document}
%-----abstract 2--------------------------------------------------------------
\documentclass[a4paper,12pt]{article}
\usepackage{amsmath,amssymb}
\pagestyle{empty}
\def\Real{\mathbb{R}}
\def\Complex{\mathbb{C}}
\def\diag {\mathop{\rm diag} \nolimits}
\def\<{\langle} \def\({\left(}
\def\>{\rangle} \def\){\right)}
\begin{document}
\centerline{\large\sc On the discretizations of the Landau-Lifshitz}
\smallskip
\centerline{\large\sc equation}
\medskip
\centerline{V.E. Adler}
\bigskip
The talk is devoted to the lattice equation
\begin{eqnarray}
s_{n,t} &=& a\\(
{[s_n,s_{n+1}]\over 1+\}
+{[s_n,s_{n-1}]\over 1+\}\)-2a[s_n,Ks_n] \nonumber\\
& & +b\\(
{s_n+s_{n+1}\over 1+\}
-{s_n+s_{n-1}\over 1+\}\), \label{LLL}
\end{eqnarray}
\[
s_n\in\Real^3, \quad \=1, \quad K=\diag(K_1,K_2,K_3)
\]
which defines the discretization of the Landau-Lifshitz equation
\begin{equation}\label{LL}
s_t=[s,s_{xx}+Js], \quad s\in\Real^3, \quad
\=1, \quad J=\diag(J_1,J_2,J_3).
\end{equation}
It is proved that the case $b=0$ is point equivalent to the model
introduced by E.K.~Sklyanin \cite{Skl}, and the case $b=\pm ia$ is
equivalent to the lattice of the B\"acklund transformations for (\ref{LL})
introduced by A.B.~Shabat and R.I.~Yamilov \cite{SY87,SY90} (in this case
we assume $s\in\Complex^3$).
It is demonstrated that the flows corresponding to the cases $a=0$ and
$b=0$ commute and generate an integrable hyperbolic equation on the sphere.
The totally discrete Landau-Lifshitz equation is discussed which is
obtained as the nonlinear superposition principle for the B\"acklund
transformations.
The stationary form of the equation (\ref{LLL}) gives a new example of
integrable mapping, which is closely related to such well-known mappings,
as Heisenberg spin chain and elliptic billiard \cite{Ves91}.
The case $a=0$ admits literal generalization for $s\in\Real^N.$ The zero
curvature representation is found for this generalization.
\begin{thebibliography}{99}
\bibitem{Skl} {\em E.K. Sklyanin,} On some algebraic structures related to
Yang-Baxter equation, {\em Funkts. analiz \bf 16:4} (1982) 27--34
\bibitem{SY87} {\em A.B. Shabat, R.I. Yamilov,} Factorization of the
nonlinear equations of the Heisenberg model type, Preprint BF AN SSSR, Ufa,
1987
\bibitem{SY90} {\em A.B. Shabat, R.I. Yamilov,} Symmetries of nonlinear
chains, {\em Leningrad Math. J. \bf 2:2} (1991) 377
\bibitem{Ves91}{\em A.P. Veselov,} Integrable mappings, {\em Uspekhi mat.
nauk \bf 46:5} (1991) 3--45
\end{thebibliography}
\end{document}
%---------------------------------------------------------------------------
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.399 November 14, 2000
=========================================================
==============================================
Seminar Information
==============================================
Infinite Analysis Seminar
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28Æü¡Ê²Ð¡Ë 10:00--11:30
29Æü¡Ê¿å¡Ë ÃÌÏòñ 16:00--17:00
¡Ê15:30--16:00ÃÌÏü¼¤Ë¤Æ Tea¡Ë
30Æü¡ÊÌÚ¡Ë 14:00--15:30
¹ÖµÁÂê̾¡§"$Q$-system, Quantum group, and Bethe equation"
ÃÌÏòñ¹ÖµÁÂê̾¡§"Î̻ҥ¢¥Õ¥£¥óÂå¿ô¤Î͸¼¡¸µÉ½¸½¤Ë´Ø¤¹¤ë
Kirillov-ReshetikhinͽÁÛ"
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\end{document}
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.398 November 9, 2000
=========================================================
==============================================
Seminar Information
==============================================
Åìµþ̵¸Â²ÄÀÑʬ·Ï¥»¥ß¥Ê¡¼
11·î18Æü(ÅÚ)£±»þ00ʬ -- £²»þ00ʬ
¶ð¾ì¡¦ÅìÂç¿ôÍý²Ê³Ø¸¦µæ²Ê056
¹Ö±é¼Ô¡§ Jean Avan (¥Ñ¥êÂèÏ»Âç³Ø¡¢ÍýÏÀʪÍý¸¦µæ½ê)
ɽÂê ¡§ "From elliptic algebras to deformed Yangians"
11·î18Æü(ÅÚ)£²»þ30ʬ -- £³»þ30ʬ
¶ð¾ì¡¦ÅìÂç¿ôÍý²Ê³Ø¸¦µæ²Ê056
¹Ö±é¼Ô¡§ Andrei Mironov (Lebedev Physical Institute and ITEP)
ɽÂê ¡§ "Seiberg-Witten integrable systems and duality"
ÇòÀнá°ì
==================================================
Infinite Analysis Seminar Tokyo
Date: 18 Nov. 2000 (Sat), 13:00 -- 14:00.
Place: room 056, Graduate School of Mathematical Sciences,
University of Tokyo (Komaba Campus).
Speaker: Jean Avan (LPTHE Paris VI)
Title : "From elliptic algebras to deformed Yangians"
Date: 18 Nov. 2000 (Sat), 14:30 -- 15:30.
Place: room 056, Graduate School of Mathematical Sciences,
University of Tokyo (Komaba Campus).
Speaker: Andrei Mironov (Lebedev Physical Institute and ITEP)
Title : "Seiberg-Witten integrable systems and duality".
For information: Shiraishi, Jun'ichi
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.397 November 8, 2000
=========================================================
==============================================
Seminar Information
==============================================
¸¦µæ½¸²ñ¡ÖKashaevͽÁۤȤ½¤Î¼þÊաפΤªÃΤ餻
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`An introduction to the Kashaev conjecture and its generalizations'
13:30-14:30 ¼¾å ½ç ¡ÊÂçºåÂç¡Ë:
̤Äê
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`Introduction to quantum Teichmuller theory'
11·î23Æü¡ÊÌÚ¡Ë
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`Hyperbolic structures and Dehn surgeries on the figure-eight knot
complement'
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`Perturbation of the hyperbolic structure of the figure-eight knot
complement
and generalized Dehn surgeries'
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`Quantum dilogarithm function and the knot invariant'
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{\LARGE ¸¦µæ½¸²ñ¡ÖKashaevͽÁۤȤ½¤Î¼þÊաפΤªÃΤ餻}
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¾ì½ê: & Åìµþ¹©¶ÈÂç³Ø¿ô³Ø¶µ¼¼Âè6±é½¬¼¼ \\
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\par
\begin{tabular}{cp{50mm}p{72mm}}
10:30--11:30 & ¼¾å ÀÆ¡ÊÅìµþ¹©¶ÈÂç¡Ë:
& `An introduction to the Kashaev conjecture and its generalizations' \\
13:30--14:30 & ¼¾å ½ç ¡ÊÂçºåÂç¡Ë:
& ̤Äê \\
15:15--16:15 & R Kashaev¡Ê¥Ø¥ë¥·¥ó¥Âç¡Ë:
& `Introduction to quantum Teichm{\"u}ller theory' \\[5mm]
\end{tabular}
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10:30--11:30 & ²£ÅÄ ²ÂÇ·¡ÊÅìµþÅÔΩÂç¡Ë:
& `On the volume conjecture for hyperbolic knots' \\
13:30--14:30 & »Ô¸¶ °ì͵¡ÊÅìµþ¹©¶ÈÂç¡Ë:
& `Hyperbolic structures and Dehn surgeries on the figure-eight knot
complement' \\
15:15--16:15 & »ûÀ¾ ͦ¡ÊÅìµþ¹©¶ÈÂç¡Ë:
& `Perturbation of the hyperbolic structure of the figure-eight knot
complement and generalized Dehn surgeries' \\[5mm]
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& `$L^2$-torsion and hyperbolic volume of surface bundles over $S^1$' \\
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& `Quantum dilogarithm function and the knot invariant' \\
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& `On the colored Jones polynomials of links'
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%%%%%%%%%end of LaTeX file%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Hitoshi Murakami
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.396 October 24, 2000
=========================================================
==============================================
Seminar Information
==============================================
**********************************
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INFINITE ANALYSIS NEWS LETTER No.395 October 23, 2000
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Seminar Information
==============================================
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==============================================
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INFINITE ANALYSIS NEWS LETTER No.394 October 18, 2000
=========================================================
==============================================
½õ¼ê¤Î¸øÊç¤Ë¤Ä¤¤¤Æ
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==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.393 October 16, 2000
=========================================================
==============================================
Seminar Information
==============================================
*Infinite Analysis Seminar*
Date: Nov 16 (Thu) 14:00-15:00
Place: Room 202, RIMS, Kyoto University
Speaker: A.A.Belavin (Landau Institute for Theoretical Phisics))
Title: Truncation of functional relations in the XXZ model
Abstract:
The integrable XXZ model with a special open boundary condition is
considered.
We study Sklyanin transfer matrices after quantum group
reduction in roots of unity. In this case Sklyanin transfer matrices
satisfy a closed system of truncated functional equations.
The algebraic reason for the truncation is found. The important role
in proving of the result is performed by Zamolodchikov algebra .
----------------------------------------
Date: Nov 17 (Wed) 12:00-13:00
Place: Room 102, RIMS, Kyoto University
Speaker: A.A.Belavin (Landau Institute for Theoretical Phishcs)
Title: Correspondence between the XXZ model in roots of unity and
the one-dimensional quantum Ising chain with different boundary
conditions
Abstract:
We consider the integrable XXZ model with special open boundary
conditions that renders its Hamiltonian ${SU(2)}_q$ symmetric, and
the one-dimensional quantum Ising model with four different boundary
conditions. We show that for each boundary condition the Ising
quantum chain is exactly given by the Minimal Model of integrable
lattice theory $LM(3, \, 4)$. This last theory is obtained as the
result of the quantum group reduction of the XXZ model at anisotropy
$\Delta=(q + q^{-1})/2=\sqrt{2}/2$, with a number of sites in
the latter defined by the type of boundary conditions.
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.392 October 4, 2000
=========================================================
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Seminar Information
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10:30-11:30¡¡º´µ×´Ö¿Ì顤µÜËܲíɧ¡ÊÃÞÇÈÂç³Ø¿ô³Ø·Ï¡Ë
A construction of twisted modules of code VOAs
13:00-14:00¡¡ Ching Hung Lam ¡¡(National Cheng Kung University)
A class of vertex operator algebras constructed from Z_8 codes
14:15-15:15¡¡ ¾¾Èø¡¡¸ü¡¡(ÅìµþÂç³Ø¿ôÍý²Ê³Ø¸¦µæ²Ê¡Ë
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The calculation of the McKay-Thompson series for a 4A element of the¡¡
Monster based on a new frame
10:30-11:30¡¡¾¾Èø¡¡¸ü¡ÊÅìµþÂç³Ø¿ôÍý²Ê³Ø¸¦µæ²Ê¡Ë
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INFINITE ANALYSIS NEWS LETTER No.391 October 3, 2000
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INFINITE ANALYSIS NEWS LETTER No.390e September 29, 2000
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No. 390 (9/28) ¤Î½¸²ñ¤ÎÏ¢ÍíÀè¤òÄɲä·¤Þ¤¹¡¥
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INFINITE ANALYSIS NEWS LETTER No.390 September 28, 2000
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We prove a formula for the twining characters of certain modules,
called Demazure modules, ober a Borel subalgebra of a
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==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.389 August 15, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍÂç³ØÄ¶´ö²¿¥»¥ß¥Ê¡¼
Speaker: Prof. Boris Feigin (RIMS),
Title: Verlinde Algebras for some Vertex Algebras
(N=2 minimal unitary theories - special case of such algebras),
Date; Aug. 21 (Mon), 15:30 -- 17:00,
Place: C501, Dept. Math., Kobe Univ.
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.388 August 2, 2000
=========================================================
==============================================
Information
==============================================
Workshop Information
International Workshop on Physics and Combinatorics 2000
August 21-26, 2000
Graduate School of Mathematics, Nagoya University
List of Speakers
Bannai, T. Eguchi, B. Feigin , G. Felder, M. Haiman, K. Hikami, K. Iguchi,
M. Ioffe, K. Kadell, K. Kajiwara, J. Kaneko, M. Kaneko, R. Kashaev,
A. Kirillov, A. Lascoux, K. Mimachi, T. Miwa, H. Murakami, H. Nakajima,
T. Nakanishi , M. Nishizawa, M. Noumi, R. Sasaki, T. Shoji, T. Takagi,
M. Takahashi, M. Taneda, H. Terao, A. Tsuchiya, M. Wakimoto, Y. Yamada,
M. Yoshida
The workshop is open for anyone, and no registration in advance
is necessary. We are sorry that we can provide neither financial
support nor accommodation service except for the selected invited speakers.
Visit our workshop website for schedule and abstracts of talks:
http://www.math.nagoya-u.ac.jp/~kirillov/workshop2000.html
Organizers: K. Aomoto, A.N. Kirillov, A. Tsuchiya, H. Umemura
=========================================================
INFINITE ANALYSIS NEWS LETTER No.387 July 24, 2000
=========================================================
==============================================
Information
==============================================
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<LI><A HREF="¸¦µæ²ñ¾Ò²ðHP¤ÎURL"> ¸¦µæ²ñ¤Î¥¿¥¤¥È¥ë</A> (¾ì½ê,´ü´Ö)
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<LI><A HREF="http://www.comp.metro-u.ac.jp/~martin/iri.html">
Integrable Systems in Differential Geometry</A> (Univ of Tokyo,
July 17-21, 2000)
Èø³ÑÀµ¿Í¡Ê̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥óÀÕǤ¼Ô¡Ë
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.386 July 11, 2000
=========================================================
==============================================
Seminar Information
==============================================
Infinite Analysis Seminar Tokyo
Date: 15 July 2000 (Sat), 13:30 -- 16:30.
Place: room 056, Graduate School of Mathematical Sciences,
University of Tokyo (Komaba Campus).
Speaker: Youichi SHIBUKAWA (ß§ÀîÍÛ°ì) Dept. of Math. Hokkaido Univ
Title : "Classification of the R-operator"
Speaker: Boris FEIGIN
Title : "Gordon-type filtrations and corresponding fermionic formulas"
For information: Shiraishi, Jun'ichi
==============================================
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INFINITE ANALYSIS NEWS LETTER No.385 June 26, 2000
=========================================================
==============================================
ÆüËÜ¿ô³Ø²ñ̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥ó¤Ç¤Î¹Ö±é¤Î¤ª´ê¤¤
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½©¤ÎµþÅÔÂç³ØÁí¹ç¿Í´Ö³ØÉô¤Ç¤Î³Ø²ñ¡Ê£¹·î£²£´Æü-£²£·Æü¡Ë
¤Î̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥ó¤ÇÀ§Èó¹Ö±é¤ò¤·¤Æ²¼¤µ¤¤¡¥
¹Ö±é¿½¤·¹þ¤ß¤ÎÄùÀڤϣ··î£³Æü¡ÊɬÃå¡Ë¤Ç¤¹¡¥º£¤«¤é¤Ç¤â´Ö¤Ë¹ç¤¤¤Þ¤¹¡¥
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Èø³ÑÀµ¿Í¡Ê̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥óÀÕǤ¼Ô¡Ë
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.384 June 26, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍĶ´ö²¿¥»¥ß¥Ê¡¼
Speaker: Hitomi Terajima (Kobe Univ.)
Title: Deformation of Okamoto-Painlev\'e pair and Painlev\'e equations
Date: June 27 (Tue), 16:00-17:30,
Place: C501, Dept. Math., Kobe-Univ.
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.383 June 8, 2000
=========================================================
==============================================
Seminar Information
==============================================
ICU ¿ô³Ø¶µ¼¼¹Ö±é²ñ¤Î¤´°ÆÆâ
Seminar in Department of Mathematics, ICU
Lecturer: Jack Morava (Johns Hopkins Univ)
Title: Geometric ideas and physical models
Date & Time: June 22 (Thu) 14:30 - 15:30
Place: Room 231, 2nd Floor, Science Hall
International Christian University (ICU)
¹ñºÝ´ðÆÄ¶µÂç³Ø Íý³Ø´Û 2³¬ 231¹æ¼¼
(ÅìµþÅÔ»°Âë»ÔÂçÂô 3-10-2,
É𢶱ء¢»°Âë±Ø¤è¤êICU¹Ô¤¥Ð¥¹¤¢¤ê)
For more information; Yuji Shimizu
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.382 June 6, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍÂç³ØÄ¶´ö²¿¥»¥ß¥Ê¡¼
Speaker: Yamamoto, T., (Tokyo Univ. & Kyushu Univ.),
Title: superconformal algebra¤Î¹½Â¤¤Ë¤Ä¤¤¤Æ,
Time: June 13 th. (Tue), 16:00-17:30,
Place: C501, Kobe-University
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.381 June 1, 2000
=========================================================
==============================================
Seminar Information
==============================================
ÆÃÊֱ̹é²ñ
Speaker: Prof. David Morrison (Duke Univ.)( Dept. Math. & Phys.)
Title:"Mirror symmetry and geometry".
Date:June 8(Thur)
Time:17¡§00--18:00
Place: Y103, Kobe-University
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.380 May 30, 2000
=========================================================
==============================================
Seminar Information
==============================================
Date: 3 June 2000 (Sat), 13:30 -- 16:30.
Place: room 056, Graduate School of Mathematical Sciences,
University of Tokyo (Komaba Campus).
Speakers & Titles:
Higuchi, Saburo: to be announced (on random matrices).
Takebe, Takashi: WZW model on elliptic curves at the
critical level (II).
For information: Shiraishi, Jun'ichi
==============================================
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INFINITE ANALYSIS NEWS LETTER No.379 May 26, 2000
=========================================================
==============================================
Seminar Information
==============================================
Infinite Analysis Seminar
Date: May 30 (Tue), 2000
Place: Room 202, RIMS, Kyoto University
13:15-14:15, Y. Pugai (RIMS)
Comment on vertex operators
14:30-15:30, T. Umeda (Math. department)
Pfaffian and determinant
15:45-16:45, T. Miwa (Math. department)
Combinatorics of coinvariants
****************************************
Date: May 31 (Wed), 2000
Place: Room 102, RIMS, Kyoto University
13:15-14:15, T. Baker (RIMS)
Rigged configurations for $C^{(1)}_n$ crystals
14:30-15:30, B. Tsygan (Pensilvania State University)
Index theorems and formality
15:45-16:45, B. Feigin (RIMS)
Semiinfinite cohomologies for sl^2 and Langlands-type D-modules
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.376 May 17, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍÂç³ØÄ¶´ö²¿¥»¥ß¥Ê¡¼
Date: 5/23 (Tue), 16:00-17:30,
Speaker: ±ü¼ ¾»»Ê (ÂçºåÂç³Ø)
Title: Scalar flat K\"ahler metric and Painlev\'e III
Place: C501, ¿À¸ÍÂç³ØÍý³ØÉô¿ô³Ø¶µ¼¼
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.376 April 18, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍÂç³ØÄ¶´ö²¿¥»¥ß¥Ê¡¼
Date: 5/16(²Ð), PM 4:00-
Speaker: ¹âÌî ¶³°ì»á(¿À¸ÍÂç¡¢Íý¡¢¿ô)
Title: "½é´üÃͶõ´Ö¤È¤Ù¥Ã¥¯¥ë¥ó¥ÈÊÑ´¹·²"
Place: ¿À¸ÍÂç³Ø¿ô³Ø¶µ¼¼ C501
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.374 April 3, 2000
=========================================================
==============================================
Information
==============================================
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ÀèÆü¡¤³Ø²ñ½éÆü¤Î̵¸Â²ÄÀÑʬ·Ï¥»¥Ã¥·¥ç¥ó¤Ç
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INFINITE ANALYSIS NEWS LETTER No.374 March 31, 2000
=========================================================
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Seminar Information
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Â裲²ó¥Õ¥ì¥Ã¥·¥å¥Þ¥ó¥»¥ß¥Ê¡¼¤ò²¼µ¤ÎÍ×ÎΤÇ
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$$1+\frac{1}{2^2}+\frac{1}{3^2}+\frac{1}{4^2}+\cdots=\frac{\pi^2}{6}$$
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¡¡¢©606-8502 µþÅÔ»Ôº¸µþ¶èËÌÇòÀî¡¡¡¡µþÅÔÂç³ØÍý³Ø¸¦µæ²Ê¿ô³Ø¶µ¼¼¡¡
¾åÌî·ò¼¤
email: mugen::kusm.kyoto-u.ac.jp¡¡
fax: 075-753-3707 tel: l 075-753-3737
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INFINITE ANALYSIS NEWS LETTER No.373 February 29, 2000
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Seminar Information
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Yukawa Institute Special Lectures
Speaker: Professor Hiroshi Oguri (LBL/Caltech)
Title : Aspects of AdS/CFT Correspondence
Place : Daikogishitsu, Yukawa Institute 3F,
Kyoto University
Program: March 1 (Wed) 10:00--12:00
¡¦basic concepts of CFT and AdS in various dimensions
¡¦introduction to the AdS/CFT correspondence
¡¦correlation functions
14::00--16:30
¡¦variations on the theme:
anomalies, Wilson loop, baryons, etc.
¡¦finite temperature
March 2 (Thu) 10:00--12:00
¡¦renormalization group
Prof. Ooguri will also give the following talk at
the "Extra dimension seminar."
March 2 (Thu) 13:30--14:30
(Kaigishitsu, New Building 2F, Yukawa Inst.)
¡¦Strings in AdS_3 and SL(2, R) WZW Model
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INFINITE ANALYSIS NEWS LETTER No.372 February 16, 2000
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Seminar Information
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ÆÃÊֱ̹é²ñ Ķ´ö²¿¥»¥ß¥Ê¡¼
Æü»þ¡§£²·î 22 Æü(²ÐÍËÆü) 15:00--16:30
¹Ö±é¼Ô¡§Ezra Getzler (µþÂç¿ôÍý²òÀϸ¦µæ½ê, Northwesten Univ.)
¹Ö±éÂêÌÜ¡§Frobenius manifolds and bihamiltonian geometry
¾ì½ê¡§¡¡¿À¸ÍÂç³Ø¡¡C501
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INFINITE ANALYSIS NEWS LETTER No.371 January 26, 2000
=========================================================
==============================================
Seminar Information
==============================================
´Ø·¸³Æ°Ì¡¡ÅÂ
¤³¤ÎÅÙ²¼µ¤Î¤È¤ª¤ê¡¢´ØÀ¾¥»¥ß¥Ê¡¼¥Ï¥¦¥¹¤Ë¤ª¤¤¤Æ¡¢¸¦µæ½¸²ñ¤ò
³«ºÅ¤¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤·¤¿¡£
¤´Â¿Ë»¤È¤Ï»×¤¤¤Þ¤¹¤¬¡¢¤É¤¦¤¾³§ÍͤΤ´»²²Ã¤ªÂÔ¤ÁÃפ·¤Æ¤ª¤ê¤Þ¤¹¡£
¡Ê¤Ê¤ª¡¢Î¹ÈñÅù¼ã´³¤Î;͵¤¬¤´¤¶¤¤¤Þ¤¹¤Î¤Ç¡¢É¬ÍפÊÊý¤Ï1/31¤Þ¤Ç¤Ë
²¼µÃ´Åö¼Ô¤Þ¤Ç¡¢¤´ÁêÃ̲¼¤µ¤¤¡£¡Ë
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¡¡¡¡¡¡¡¡ ¡¡ ²Ä²òÌÏ·¿¤Èɽ¸½ÏÀ
Integrable Models and Representation Theory
February 6-8, 2000
NIPPON CHRISTIAN ACADEMY KANSAI SEMINAR HOUSE
Organizer : Tetsuji MIWA
**************************************************************
February 6, 2000
18:00-19:00 Dinner
19:30-20:20 ¡¡¡ÉCombinatorics of coinvariants ¡É¡¡
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡»°ÎØÅ¯Æó¡¡(¿ôÍý²òÀϸ¦µæ½ê¡Ë
20:30-21:20 ¡É¥¢¥Õ¥£¥ó¥ä¥³¥Ó¿ÍÍÂΤΥ³¥Û¥â¥í¥¸¡¼¤È²ÄÀÑʬ·Ïª¡ ¡É
Ãæ²°Éß¡¡¸ü(¶å½£Âç³Ø¡Ë¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
¡¡¡¡¡¡¡¡
February 7, 2000
8:00-9:00 Breakfast
9:10-10:00 ¡¡¡ÉQuantum inverse scattering problem and correlation ¡¡¡¡¡¡¡¡¡¡
¡¡¡¡ ¡¡functions of integrable models¡É
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡ Jean-Michel Maillet (ENS,Lyon)
10:10-11:00 ¡ÉGround State of the Quantum Symmetric Finite Size
¡¡¡¡¡¡¡¡¡¡ ¡¡XXZ Spin Chain with Anisotropy Parameter
¡¡¡¡¡¡¡¡ ¡¡¡¡$\Delta = \frac{1}{2}$¡¡¡É
¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡Yuri STROGANOV¡ÊRIMS)
11:10-12:00 ¡ÉOn ABF II and Koberle-Swiega models¡¡¡É
¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡ Yaroslav PUGAI¡ÊRIMS)
12:15-13:00¡¡¡¡Lunch break
14:00-14:50 ¡¡¡ÉA duality of orthogonal polynomials arising from
¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡integral representations¡É¡¡¡¡
¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡ »°Ä®¾¡µ×¡Ê¶å½£Âç³Ø¡Ë
15:00-15:50 ¡¡¡ÉFunctional relations in Stokes coefficients¡É
¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡ ¡¡¡¡¡¡ÎëÌڽ߻ˡÊÀŲ¬Âç³Ø¡Ë
16:00-16:50 ¡ÉOn crystals for arbitrary rank 2 Kac-Moody algebras¡É¡¡¡¡¡¡¡¡
¡¡ ¡¡¡¡ ¡¡ ¡¡¡¡¡¡ÃæÅç½Ó¼ù¡¡¡Ê¾åÃÒÂç³Ø¡Ë
17:00-17:50 ¡¡¡ÉThe advances in the theory of the Hecke algebras of
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡type B and open problems ¡É
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡ÍÌÚ¡¡¿Ê¡ÊÅìµþ¾¦Á¥Âç³Ø¡Ë
18:00-19:00 Dinner
19:30-20:20 ¡ÉCombinatorial R matrix and ndKP equation¡É
¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¹ñ¾ìÆØÉסÊÅìÂçÁíʸ¸¦¡Ë
20:30-21:20¡¡¡¡¡É¥¢¥Õ¥£¥ó¥ä¥³¥Ó¿ÍÍÂΤΥ³¥Û¥â¥í¥¸¡¼¤È²ÄÀÑʬ·Ï ª¢¡É
¡¡ ¡¡¡¡¡¡Ãæ²°Éß ¸ü(¶å½£Âç³Ø¡Ë¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
February 8, 2000
8:00-9:00 Breakfast¡¡
9:10-10:00 ¡É¥¢¥Õ¥£¥ó¥ä¥³¥Ó¿ÍÍÂΤΥ³¥Û¥â¥í¥¸¡¼¤È²ÄÀÑʬ·Ï¡¡ª£ ¡É
¡¡¡¡¡¡¡¡¡¡Ãæ²°Éß ¸ü (¶å½£Âç³Ø¡Ë¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
10:10-11:00 ¡ÉCounting sheaves and Gromov-Witten invariants¡É
¹â¶¶¡¡ÆÆ»Ë¡Ê¿ôÍý²òÀϸ¦µæ½ê¡Ë
11:10-12:00 ¡ÉD-branes and modular forms¡É
¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡ ¡¡¡¡²Ï¹ç½ÓºÈ¡Ê¿ôÍý²òÀϸ¦µæ½ê¡Ë
12:15-13:00 Lunch
¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö¡ö
ιÈñ¤òɬÍפȤµ¤ì¤Ê¤¤Êý¤Ç¡¢¡Ê¼«Èñ¤Ç¤´»²²Ã¤ÎÊý¡Ë¤Ç½ÉÇñ¤È¿©»ö¤ÎͽÌó¤¬
ɬÍפÊÊý¤Ï¡¢É¬¤º²¼µÃ´Åö¤Þ¤Ç¤´Ï¢Íí²¼¤µ¤¤¡£
ôÅö¡§¿ôÍý²òÀϸ¦µæ½ê
Èø·ÁΤ²Ã
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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INFINITE ANALYSIS NEWS LETTER No.369-errata January 13, 2000
=========================================================
==============================================
Seminar Information
==============================================
¥ï¡¼¥¯¥·¥ç¥Ã¥× ¡Ö²ÄÀÑʬ·Ï¤ÈÂå¿ô´ö²¿³Ø¡×
----¹Ö±é»þ´ÖÊѹ¹¤Î¤ªÃΤ餻----
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Workshop "Integrable systems and algebraic geometry"
January 17-21, 2000 at RIMS, Kyoto University
Date and time: Jan.17 (Mon) 13:30¡Á Jan.20 (Thu) 16:00
(Jan. 21 : discussion)
Place: Room 202 of RIMS, Kyoto University
Program:
10:00~11:30 13:00~14:30 15:00~16:30
17 none Shimizu* Polishchuk 1
18 Getzler Polishchuk 2 Bottacin
19 Behrend TBA TBA
20 Takasaki Sasaki Raina
21 discussion~
* --- 13:30~14:30 (On Jan.17, the workshop starts at 13:30.)
NB. Program may change.
Titles:
Yuji Shimizu (Dept. of Math., Kyoto Univ.)
Virasoro algebra and Poisson geometry
Francesco Bottacin (RIMS and Padova)
On a generalization of Hitchin's integrable system
Ezra Getzler (RIMS and Northwestern)
Frobenius manifolds in higher genus and bihamiltonian structures in
formal variational calculus
Alexander Polishchuk (Boston Univ.)
1. A-infinity structures on elliptic curves
2. Prehomogeneous vector spaces over finite fields
Kai Behrend (RIMS and Univ. of British Columbia)
DeRham cohomology of stacks
Kanehisa Takasaki (Faculty of Integrated Human Studies, Kyoto Univ.)
Elliptic Calogero-Moser systems and Lax pairs with spectral
parameter
Ryu Sasaki (Yukawa Institute for Theoretical Physics, Kyoto Univ.)
Calogero-Moser Models : Supersymmetry and Quantum Lax Pair
Ashok Raina (Tata, Bombay)
W-geometry and the Operator Product Expansion
---------------------------------------------------------
Organizers: Yuji Shimizu (Dept. of Math., Kyoto Univ.)
Francesco Bottacin (RIMS and Univ. Padova, Italy)
RIMS, Kyoto University, Kyoto, 606-8052, JAPAN
tel. 075-753-7206 (in Japanese) ; 075-753-7257 (in English)
Department of Mathematics, Graduate School of Science
Kyoto University, Kyoto, 606-8052, JAPAN
tel. 075-753-3656; fax: 075-753-3711
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=========================================================
INFINITE ANALYSIS NEWS LETTER No.370 January 13, 2000
=========================================================
==============================================
Seminar Information
==============================================
Infinite Analysis Seminar
Time: February 18 (Friday) 12:00-13:00
Place: Room 102, RIMS, Kyoto University
Speaker: Yuji Hara (University of Tokyo)
Title: Correlation functions of the XXZ model with a boundary
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INFINITE ANALYSIS NEWS LETTER No.369 January 11, 2000
=========================================================
==============================================
Seminar Information
==============================================
¥ï¡¼¥¯¥·¥ç¥Ã¥× ¡Ö²ÄÀÑʬ·Ï¤ÈÂå¿ô´ö²¿³Ø¡×
Workshop "Integrable systems and algebraic geometry"
January 17-21, 2000 at RIMS, Kyoto University
µþÅÔÂç³Ø¿ôÍý²òÀϸ¦µæ½ê¤Îû´ü¶¦Æ±¸¦µæ¤Î°ì¤Ä¤È¤·¤Æ¡¢
²¼µ¤Î¤è¤¦¤Ë¸¦µæ½¸²ñ¤òºÅ¤·¤Þ¤¹¤Î¤Ç¡¢¤´°ÆÆâ¿½¤·¾å¤²¤Þ¤¹¡£
¸¦µæÂåɽ¼Ô À¶¿å ͦÆó
¡ÊµþÅÔÂç³ØÂç³Ø±¡Íý³Ø¸¦µæ²Ê¡Ë
µ
Æü»þ¡§2000ǯ 1·î17Æü¡Ê·î¡Ë13:30¡Á1·î20Æü¡ÊÌÚ¡Ë16:00
(1·î21Æü: discussion)
¾ì½ê¡§¿ôÍý²òÀϸ¦µæ½ê 202¹æ¼¼
¥×¥í¥°¥é¥à:
10:00~11:30 13:00~14:30 15:00~16:30
17 none Shimizu* Bottacin
18 Getzler Polishchuk 1 TBA
19 Polishchuk 2 Behrend TBA
20 Takasaki Sasaki Raina
21 discussion~
* --- 13:30~14:30 (On Jan.17, the workshop starts at 13:30.)
NB. Program may change.
¥¿¥¤¥È¥ë:
Yuji Shimizu (Dept. of Math., Kyoto Univ.)
Virasoro algebra and Poisson geometry
Francesco Bottacin (RIMS and Padova)
On a generalization of Hitchin's integrable system
Ezra Getzler (RIMS and Northwestern)
Frobenius manifolds in higher genus and bihamiltonian structures in
formal variational calculus
Alexander Polishchuk (Boston Univ.)
1. A-infinity structures on elliptic curves
2. Prehomogeneous vector spaces over finite fields
Kai Behrend (RIMS and Univ. of British Columbia)
TBA
Kanehisa Takasaki (Faculty of Integrated Human Studies, Kyoto Univ.)
Elliptic Calogero-Moser systems and Lax pairs with spectral
parameter
Ryu Sasaki (Yukawa Institute for Theoretical Physics, Kyoto Univ.)
Calogero-Moser Models : Supersymmetry and Quantum Lax Pair
Ashok Raina (Tata, Bombay)
W-geometry and the Operator Product Expansion
==============================================
=========================================================
INFINITE ANALYSIS NEWS LETTER No.368 January 11, 2000
=========================================================
==============================================
Seminar Information
==============================================
¿À¸ÍÂç³ØÄ¶´ö²¿¥»¥ß¥Ê¡¼¤Î¤ªÃΤ餻
Date: January 25 (Tue)
Place: C501, Kobe Univ.
1. Time: 13:30-15:00
Speaker:Speaker: Prof. Pugai S., (RIMS)
Title: On the combinatorics of the Forrester
Baxter paths.
2. Time: 15:30-17:00
Speaker: Dr. Morita H.,
Title: On Fock space representation of twisted affine Lie algebras
of type $A^{(2)}_{2\ell}$ and $D^{(2)}_{\ell +1}$.
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