皆様 土屋昭博先生が名古屋大学を 3 月で退職されるのを記念し、下記の研究会を 企画しています。(多少タイトルが増えました。) お忙しい中恐縮ですが、奮って御参加いただければ幸いです。 [重要:バンケット参加登録のお願い] 7 日(水)夕方には、キャンパス内「花の木」でバンケットを行います。 有職者 7000 円、学生等 3000 円 の予定です。参加御予定の方は、下記にメールをいただければ幸いです。 tsuchiya-63@math.nagoya-u.ac.jp  # 文面に「バンケットに参加します」および「所属(学生の方は学年も)・氏名」 をお書き下さい。この情報は本研究会関連の御連絡の他には使用しません。 参加人数把握のため御協力いただければ幸いです。(ただし参加の必要条件で はなく、当日になっての参加も歓迎いたします。) 特に自動返信の機能は設けておりませんので、御質問などを記された場合も返 信は遅くなるかもしれません。御了承下さい。 [付随情報] ・研究科主催の最終講義は 16 日午後(16:15 - 17:15)に行われるとのことです。 ・研究会の翌週、主に 12 〜 13 日に、Frenkel および Bazhanov らが話すセ ミナーを京大で行うことを考えております。このファイルの最後を御覧下さい。 詳しくは、追って「無限可積分系」「表現論」メーリングリスト、および本研 究会情報ページ http://www.math.tohoku.ac.jp/~kojihas/ATfield.html にて情報をおしらせできると思います。 =============================================== program(3/5-8, 名大) http://www.math.tohoku.ac.jp/~kojihas/ATfield.html # at63prog ver.070301 (転載・掲示歓迎) # # pdf) http://www.math.tohoku.ac.jp/~kojihas/atfield/at63prog.pdf # ps) http://www.math.tohoku.ac.jp/~kojihas/atfield/at63prog.ps # HP) http://www.math.nagoya-u.ac.jp/ja/research/index.html # http://www.math.tohoku.ac.jp/~kojihas/ATfield.html # Exploration of New Structures and Natural Constructions in Mathematical Physics 数理物理における新たな構造と自然な構成の探究 Announcement ver.20070301 Graduate School of Mathematics, Nagoya university, March 5-8, 2007. - On the occasion of Prof. Akihiro Tsuchiya's retirement - --------- Speakers and Titles : Vladimir Bazhanov(Australian National University) ``Star-Triangle Relation, Faddeev-Volkov Model and Discrete Conformal Symmetry'' Boris Feigin (Landau Inst. / Moscow independent university) `` Fermionic formulas for the characters or representations in the (1,n) logarithmic theory" Edward Frenkel (Berkeley) ``Gaudin models with irregular singularities" Nicolai Reshetikhin (Berkeley) ``Random surfaces and the limit shape phenomenon" Paul Wiegmann (Chicago) ``Mathematical aspects of Laplacian Growth: evolution of conformal maps and singularities of growing patterns" http://www.math.tohoku.ac.jp/~kojihas/atfield/wiegmann.html Tomoyuki Arakawa (Nara women's university) ``On affine W-algebras" Tohru Eguchi (Tokyo) ``Liouville Field, Modular Forms and Elliptic Genera" Masaki Kashiwara (RIMS) ``Microlocalization of rational Cherednik algebras" (joint work with R. Rouquier) Gen Kuroki (Tohoku) ``Quantum groups and quantization of isomonodromic systems'' Tetsuji Miwa (Kyoto) ``Fermionic Basis in the XXZ spin chain" Shigeru Mukai (RIMS) "Hilbert's 14th problem for the Kronecker quiver" Hiraku Nakajima (Kyoto) ``K-theoretic Donaldson invariants via instanton counting'' (joint work with L.~G\"ottsche, K.~Yoshioka) Kyoji Saito (RIMS) ``Towards categorical construction of primitive forms'' Takeshi Suzuki (RIMS) `` Cherednik Algebras in Conformal Field Theory'' Kanehisa Takasaki (Kyoto) ``Fay-type identities and dispersionless limit of integrable hierarchies'' (joint work with Takashi Takebe) Akihiro Tsuchiya (Nagoya) ``Tensor category associated with Vertex operator algebra with $C_2$ finiteness condition" ---------- Program (1 hour for each) March & 10:00- & 11:15- & 14:00- & 15:15- & 16:30- 5th & - & - & Arakawa & Suzuki & Kuroki 6th & Takasaki& Wiegmann & Bazhanov& Eguchi & Saito 7th & Nakajima& Reshetikhin& Feigin & Miwa & Tsuchiya &{Banquet} 8th & Frenkel& Mukai & Kashiwara Note: Banquet will take place on March 7, 18:00-, at the restaurant Hananoki (http://www.nucoop.jp/shop/list.html) in the campus. ---------- Organizers/Editors for the proceedings: Koji Hasegawa (Tohoku), Yasuhiko Yamada (Kobe), Shinobu Hosono (Tokyo), Takahiro Hayashi (Nagoya). [ Proceedings will be published as a volume of the MSJ series ``Advanced Studies in Pure Mathematics''.] ---------- Infomation: http://www.math.tohoku.ac.jp/~kojihas/ATfield.html ====================== 研究会翌週、3 月 12 〜 13 日の予定(於京大) (詳しくは「無限可積分系」「表現論」メーリングリスト、および http://www.math.tohoku.ac.jp/~kojihas/ATfield.html にて情報をおしらせします.) Workshop on integrable systems (organized by Koji Hasegawa and Hiraku Nakajima) March 12th 13:30 - 13th, Kyoto university, 6th Bld., room 609 Vladimir Bazhanov (Australian National University) ``Analytic theory of the eight vertex model" Evgeny Feigin (Lebedev Inst. and Moscow independent univ.) ``Character formulas for Kac-Moody cosets" Evgeny Muhkin (Indiana University) ``On the Shapiro conjecture'' Edward Frenkel (UC Berkeley) ``Ramifications of the geometric Langlands Program" (2 talks) # Frenkel の次の話も予定されており、14 日になる見込みです。 Edward Frenkel (UC Berkeley) ``Instantons beyond topological theory" # Frenkel の話のアブストラクトは以下の通りです。 Title: Ramifications of the geometric Langlands Program Abstract. I will give an introduction to the global geometric Langlands correspondence. In the unramified case it is supposed to attach Hecke eigensheaves on the moduli stack of G-bundles on a smooth projective algebraic curve X to G'-bundles with flat connection on X, where G' is the Langlands dual group of G. But what if we are given a G'-bundle on X with a flat connection that has singularities, or ramification, at finitely many points of X? In this case one expects to attach to it a category of Hecke eigensheaves on a suitable moduli stack of G-bundles on X with parabolic (or level) structures at the ramification points. I will discuss an approach to constructing these categories developed recently by D.Gaitsgory and myself (see math.QA/0611294), which uses representations of affine Kac-Moody algebras of critical level. Title: Instantons beyond topological theory Abstract. Two-dimensional sigma models with Kahler manifold as a target possess a remarkable limit, in which they become conformally invariant. Up to now only the topological sector of these models has been analyzed explicitly. While this leads to many non-trivial results, such as the Gromov-Witten invariants, this only captures a small part of the theory. I will talk about the recent work by A.Losev, N.Nekrasov and myself (see hep-th/0702137), in which we study the structure of these models beyond the topological sector, as well as similar models in one and four dimensions: supersymmetric quantum mechanics and Yang-Mills theory, respectively. こちらも奮って御参加下さい。 ---- 長谷川浩司@東北大学大学院理学研究科数学専攻 Koji Hasegawa at Mathematical Institute, Tohoku University, Sendai JAPAN