講演等

主な講演

●Jacobi 和のuniversal power series とVandiver 予想， 代数的整数論シンポジウム，
京都大学数理解析研究所， 1987.12.
●Singular moduli と Ｑ上の楕円曲線の Supersingular prime, 代数的整数論シンポジウム， 京都大学数理解析研究所， 1989.12.
●Supersingular j- and λ-polynomials and Gauss's hypergeometric series， 研究会"基本群とガロア表現"， 京都大学数理解 析研究所， 1991.3.
●Chowla-Selberg 公式の一般化について，数論的代数幾何シンポジ ウム(兵頭治君追悼)， 東京大学理学部， 1991.4.
●超特異楕円曲線と超幾何級数，代数的整数論シンポジウム， 京都大学数理解析研究所，1992.12.
●Poly-Bernoulli numbers, 18i`eme Journ´ee Arithm´etiques, Bordeaux, France, 1993.9.
●Supersingular j-polynomials and hypergeometric series, S´eminaire de th´eorie des nombres de Paris, Institut Henri Poincar´e, Paris, France, 1994.2.
●Supersingular j-invariants and Atkin polynomials, Modular form lunch, Max-Planck-Institute f¨ur Mathematik, Bonn, Germany, 1994.6.
●楕円モジュラー関数j(τ ) のFourier 係数とCM 値， およ び重さ半整数のモジュラー形式， 研究会"代数群上の保型形式"，京都大学数 理解析研究所， 1995.11.
●楕円曲線のj 不変量に関する話題， 第41 回代数学シンポジウム， 山形市「遊学館」， 1996.7.
●The Fourier coefficients and the singular moduli of the elliptic modular function j(τ ), The Fifth Conference of the Canadian Number Theory Association, Carleton University, Ottawa, Canada， 1996.8.
●超幾何と超特異楕円曲線，「超幾何系ワークショップin 神戸」， 神戸大学滝川会館， 1996.12.
●Multiple zeta values, poly-Bernoulli numbers, and related zeta functions, Japan-Korea seminar on number theory and its application to the related area， 佐賀大学大学ホール， 1996.12.
●On the zeros of certain modular forms, S´eminaire de th´eorie des nombres de Jussieu, Universit´e Paris VI, France, 1997.2.
●120 歳の'Valenz'(j(τ ))， 東京都立大学理学研究科　談話会， 1997.6.
●Supersingular elliptic curves and hypergeometric modularforms， Korea-Japan joint seminar on Number Theory， 浦項工科大學校(韓国)， 1997.7.
●Poly-Bernoulli numbers and multiple zeta values, "Expanding the world of number theory (伊原康隆先生還暦記念研究集会)"， Dept. Math. Univ. Tokyo， 1998.6.
●多重ゼータ値入門， 「代数的整数論とその周辺」研究集会， 京都 大学数理解析研究所， 1998.12.
●Fourier coefficients of the elliptic modular function j(τ ), HAAR (Harmonic Analysis and Automorphic Representations) Seminar, Ohio States University, USA, 1999.5.
●Hypergeometric modular forms and supersingular elliptic curves, Moonshine Workshop, University of Montr´eal, Canada, 1999.5.6.
●Zeros of modular forms, hypergeometric polynomials, and supersingular elliptic curves, Number Theory Lunch (Seminar), Max-Planck-Institut f¨ur Mathematik in Bonn, Germany, 2000.3.
●多重ゼータ値入門I，代数学シンポジウム， 九州大学六本松キャンパス， 2000.8.
●楕円モジュラー関数のフーリエ係数， 第2 回FAIT(先端情報技術研 究組織) 講演会， 中央大学市ヶ谷キャンパス， 2000.12.
●Derivation relations and regularized double shuffle relations of multiple zeta values, Groupe de travail "Polylogarithmes et nombres zˆeta multiples", Institut Henri Poincar´e, 2001.2.
●Derivation relations and regularized double shuffle relations of multiple zeta values, Number Theory Lunch (Seminar), Max-Planck-Institut f¨ur Mathematik in Bonn, Germany, 2001.3.
●多重ゼータ値について， 日本数学会年会特別講演， 慶応大学理工 学部， 2001.3.
●On certain modular forms arising from a differential equation of hypergeometric type (with M. Koike)， ガロア理論とモジュラー 形式をめぐる数論(Galois Theory and Modular Forms)， 東京都立大学， 2001.9.
●多重L 値について， 早稲田大学整数論シンポジウム， 早稲田大学 理工学部， 2002.3.
●On modular and quasimodular forms attached to a differential equation of hypergeometric type, Group Theory Mini-Conference, Ohio State University, USA, 2002.5.
●I. Eisenstein 級数， その他いくつかのモジュラー関数/形式の 族の零点をめぐって，
II. ある種の微分方程式を満たすモジュラー/準モジュ ラー形式について，
第２回保型形式周辺分野スプリングコンファレンス， 浜名湖カリアック， 2003.2.
●I. Supersingular elliptic curves and modular forms,
II. Modular forms satisfying certain differential equations of hypergeometric type,
The Web of Modularity, An NSF-CBMS Conference, Department of Mathematics, University of Illinois at Urbana-Champaign, 2003.6.
●Two unsolved problems in number theory — the oldest and the biggest, Guest lectures on number theory, Department of Mathematics, Ruhuna University, Sri Lanka, 2003.11.
● extremal quasimodular forms (with M.Koike)， 早稲田大学 整数論シンポジウム， 早稲田大学， 2004.3.
●On extremal quasimodular forms, "Modular forms and related topics", KIAS-POSTECH-SNU International Number Theory Workshop, 2004.12.
●Double zeta values, double Eisenstein series, and modular forms, Number Theory lunch seminar, Max-Planck-Institut f¨ur Mathematik, Bonn, Germany, 2005.3.
●On derivation relations of multiple zeta values, Conference on L-functions, 九州大学西新プラザ，2006.2.
●多重ゼータ値の導分関係式について，京都大学数学談話会，京都大学数理解析研究所， 2006.5.
●Modular and quasimodular forms and their applications, Modular forms and String Duality, Banff International Research Station workshop, Banff, Canada, 2006.6.
●On an extension of the derivation relation for multiple zeta values, Groupe d'´Etude sur les Probl`emes Diophantiens, seminar talk, Chevaleret, Paris 6, 2007.6.
●多重ゼータ値と多重ベルヌーイ数，第53 回代数学シンポジウム， 盛岡駅前アイーナ，2008.8.
●Observations on the "values" of modular j-function at real quadratics, S´eminaire tournant de Th´eorie Analytique des Nombres et d'Approximation Diophantienne, l'Institut Camille Jordan (Universit´e Claude Bernard, Lyon 1), France, 2008.9.
●Observations on the "values" of the elliptic modular j-function at real quadratics, International conference on The analytic theory of automorphic forms, at the 65th
birthday of Roelof Bruggeman, Woudschoten, The Netherlands, 2009.6.
●楕円モジュラーj-関数をめぐって，第21 回草津群論セミナー，群馬大学草津セミナーハウス，2009.8.
●Values of the j-function at real quadratics, in particular the Markoff irrationalities, The 24th Automorphic Forms Workshop, University of Hawaii, Honolulu, USA, 2010.3.
●Modular forms satisfying certain differential equation, Symmetry Plus Integrability 2010, The First International Conference on Integrable Systems and Nonlinear Waves, in honor of Yuji Kodama's 60th birthday, South Padre Island, Texas, USA, 2010.6.
●Certain differential equation related to supersingular j-invariants and quasimodular forms, Quasimodular forms and applications, Besse Summer School 2010, Royal Poldavian Academy, Besse & Saint- Anastaise, Clermont-Ferrand, France, 2010.6.
●"Values" of the elliptic modular j-function at real quadratic numbers, PANT-Kyoto 2010 (The Second PanAsian Number Theory Conference), RIMS, Kyoto, 2010.9.
●数学最古の難問，最大の難問,鳩山サイエンスフォーラム第19回講演会,東京電機大学理工学部, 2011.02
●Double Eisenstein series and modular forms, Workshop on multiple zeta values, modular forms and elliptic motives, University of Bristol, UK, 2011.5
●Markoff numbers and Farey sequences, The 1st International Congress on Natural Sciences (ICNS2011), Pukyong National University, 2011.8

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