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Publication

  • Masanobu Kaneko and Shuji Yamamoto, A new integral-series identity of multiple zeta values and regularizations, Selecta Mathematica New Series, 2018;DOI: 10.1007/s00029-018-0400-8.
  • Kazuto Ota, Kato’s Euler system and the Mazur-Tate refined conjecture of BSD type, American Journal of Mathematics, 140 (2018), no. 2, 495-542; DOI: 10.1353/ajm.2018.0012.
  • Masataka Ono, Finite multiple zeta values associated with 2-colored rooted trees, Journal of Number Theory 181 (2017), 99-116; DOI: 10.1016/j.jnt.2017.05.019.
  • Kenichi Bannai, Shinichi Kobayashi and Seidai Yasuda, The radius of convergence of the $p$-adic sigma function, Math. Z. (2017) Vol. 286: 751-781; DOI: 10.1007/s00209-016-1783-x.
  • Masataka Ono and Shuji Yamamoto, Shuffle product of finite multiple polylogarithms, Manuscripta Mathematica (2016), 1-14; DOI: 10.1007/s00229-016-0856-9.
  • Kei Hagihara, Structure theorem of Kummer etale K-group II, Documenta Mathematica, Vol. 21 (2016), 1345-1396.
  • Kenichi Bannai and Shinichi Kobayashi, Integral structures on $p$-adic Fourier theory, Annales de L'Institut Fourier, Vol. 66 no. 2 (2016), 521-550; DOI: 10.5802/aif.3018.
  • Kenichi Bannai, Hidekazu Furusho, and Shinichi Kobayashi, $p$-adic Eisenstein–Kronecker series for CM elliptic curves and the Kronecker limit formulas, Nagoya Math. J. 219 (2015), 269-302; DOI: 10.1215/00277630-2891995.
  • Shuji Yamamoto, A sum formula of multiple $L$-values, Int. J. Number Theory 11 (2015), 127-137; DOI: 10.1142/S1793042115500074.
  • Yuuki Takai, On indivisibility of relative class numbers of totally imaginary quadratic extensions and these relative Iwasawa invariants, Proc. Japan Acad. Ser. A Math. Sci. Volume 90, Number 2 (2014), 33-36.
  • Tomoki Hirotsune, $p$-adic Eisenstein–Kronecker series and non-critical values of $p$-adic Hecke $L$-function of an imaginary quadratic field when the conductor is divisible by $p$, Journal of Number Theory, Volume 135 (2014), 301–333; DOI: 10.1016/j.jnt.2013.07.019.
  • Shuji Yamamoto, Explicit evaluation of certain sums of multiple zeta-star values, Funct. Approx. Comment. Math. Volume 49, Number 2 (2013), 283-289; DOI: 10.7169/facm/2013.49.2.7.
  • Yuuki Takai, An analogue of Sturm’s theorem for Hilbert modular forms, Algebra and Number Theory, 7:4 (2013), 1001-1018; DOI: 10.2140/ant.2013.7.1001; Available here.
  • Shuji Yamamoto, Interpolation of multiple zeta and zeta-star values, Journal of Algebra, Volume 385 (2013), 102–114; DOI: 10.1016/j.jalgebra.2013.03.023.
  • Ken Kamano, Yasuo Ohno, and Shuji Yamamoto, Weighted Lonesum Matrices and Their Generating Function, Integers, Volume 13 A25; Available at the Integers website.
  • Koji Tasaka and Shuji Yamamoto, On some multiple zeta-star values of one-two-three indicies, International Journal of Number Theory Vol. 9, No. 5 (2013), 1171-1184; DOI: 10.1142/S1793042113500188.
  • Kenichi Bannai and Guido Kings, $p$-adic Beilinson conjecture for ordinary Hecke motives associated to imaginary quadratic fields, RIMS Kôkyûroku Bessatsu B25: Algebraic Number Theory and Related Topics 2009, eds. T. Ichikawa, M. Kida, T. Yamazaki, June (2011), 9-30; Available at RIMS.
  • Kentaro Nakamura, 2 次元クリスタリン表現の Zariski 稠密性, RIMS Kôkyûroku Bessatsu B25: Algebraic Number Theory and Related Topics 2009, eds. T. Ichikawa, M. Kida, T. Yamazaki, June (2011), 161-184; Available at RIMS.
  • Kenichi Bannai and Guido Kings, p-adic elliptic polylogarithm, p-adic Eisenstein series and Katz measure, American J. Math. 132 no. 6 (2010), 1609-1654; Available by subscription at Project MUSE.
  • Kenichi Bannai and Shinichi Kobayashi, Algebraic theta functions and p-adic interpolation of Eisenstein-Kronecker numbers, Duke Math. J. 153 no. 2 (2010), 229-295; DOI: 10.1215/00127094-2010-024.
  • Kenichi Bannai, Shinichi Kobayashi and Takeshi Tsuji, On the de Rham and p-adic realizations of the elliptic polylogarithm for CM elliptic curves, Annales scientifiques de l'ENS 43, fascicule 2 (2010), 185-234; Available by subscription at the Société Mathématique de France.
  • Kenichi Bannai, Shinichi Kobayashi and Takeshi Tsuji, Realizations of the elliptic polylogarithm for CM elliptic curves, RIMS Kôkyûroku Bessatsu B12: Algebraic Number Theory and Related Topics 2007, eds. M. Asada, H. Nakamura and H. Takahashi, August (2009), 33-50; Available at RIMS.
  • Kentaro Nakamura, Classification of two dimensional split trianguline representations of p-adic fields, Compositio Mathematica, Volume 145 Part 4 (2009), pp. 865-914; DOI: 10.1112/S0010437X09004059.
  • Rei Otsuki, Construction of a homomorphism concerning Euler systems for an elliptic curve, Tokyo Journal of Mathematic, vol. 32, no. 1 (2009), pp. 253-278; DOI: 10.3836/tjm/1249648421.
  • Kenichi Bannai and Shinichi Kobayashi, Algebraic theta functions and Eisenstein-Kronecker numbers, RIMS Kôkyûroku Bessatsu B4: Proceedings of the Symposium on Algebraic Number theory and Related Topics, eds. K. Hashimoto, Y. Nakajima and H. Tsunogai, December (2007), 63--78; Available at RIMS.
  • Kenichi Bannai, Specialization of the $p$-adic polylogarithm to $p$-th power roots of unity, Doc. Math., Extra Volume: Kazuya Kato's Fiftieth Birthday (2003), 73-97; Available at Documenta Mathematica.
  • Kenichi Bannai, On the $p$-adic realization of elliptic polylogarithms for CM-elliptic curves, Duke Math. J. 113 (2002), 193-236; DOI: 10.1215/S0012-7094-02-11321-0.
  • Kenichi Bannai, Syntomic cohomology as a $p$-adic absolute Hodge cohomology, Math. Z. 242/3 (2002), 443-480; DOI: 10.1007/s002090100351.
  • Kenichi Bannai, Rigid syntomic cohomology and $p$-adic polylogarithms, J. Reine Angew. Math. 529 (2000), 205-237; DOI: 10.1515/crll.2000.097.

Talks

  • Kenichi Bannai, 機械学習の研究を始めてみて, 日本数学会2018年度年会ワークショップ Society 5.0と数学 ~量子コンピューターと人工知能を題材に~, March 18, 2018.
  • Masataka Ono, 2色根付き木に付随する多重ゼータ函数, 日本数学会2018年度年会, 東京大学, March 18, 2018.
  • Masataka Ono, 2色根付き木に付随する有限多重ゼータ値 日本数学会2018, 年度年会, 東京大学, March 18, 2018.
  • Kazuto Ohta, On the rank-part of the Mazur-Tate refined conjecture for modular forms 日本数学会2018年度年会, 東京大学, March 18, 2018.
  • Kazuki Yamada, Comparison of crystalline syntomic and rigid syntomic cohomology for strictly semistable log schemes (joint work with Veronika Ertl), 日本数学会2018年度年会, 東京大学, March 18, 2018.
  • Yoshinosuke Hirakawa, The reverse multiple zeta values at $(0, …, 0, -n)$ and the Cauchy numbers, 第11回ゼータ若手研究集会, 愛媛大学, February 20, 2018.
  • Masataka Ono, Multiple zeta functions associated with 2-colored rootedtrees, 第11回ゼータ若手研究集会, 愛媛大学, February 20, 2018.
  • Shuji Yamamoto, 2-1 公式とZhaoのbinomial identityに関する注意, 第11回多重ゼータ研究集会＆第39回関西多重ゼータ研究会, 近畿大学, February 18, 2018.
  • Shuji Yamamoto, Zlobin-川島の関数とその応用, 大阪大学整数論＆保型形式セミナー, 大阪大学, February 2, 2018.
  • Kazuto Ohta, On the anticyclotomic Iwasawa main conjecture for modular forms, UK-Japan Winter School 2018 on Number Theory, Kings College London, January 11, 2018.
  • Kazuto Ohta, On the Mazur-Tate refined conjecture for modular forms, KIAS Number theory seminar 2017, KIAS Korea, December 27, 2017.
  • Masataka Ono, Multiple zeta functions associated with 2-colored rooted trees, 名大解析数論セミナー, 名古屋大学, December 8, 2017.
  • Shuji Yamamoto,多重ゼータ値の積分表示の拡張とその応用, 代数的整数論とその周辺, 京都大学数理解析研究所, December 7, 2017.
  • Kazuto Ohta, Anticyclotomic Iwasawa main conjecture for modular forms 代数的整数論とその周辺, 京都大学数理解析研究所, December 5, 2017.
  • Kazuki Yamada, 混合プレクティックホッジ構造について (joint with Kenichi Bannai, Kei Hagihara, Shinichi Kobayashi, Shuji Yamamoto, and Seidai Yasuda), 大阪大学整数論・保型形式セミナー, 大阪大学, November 24, 2017.
  • Veronika Ertl, Logarithmic and non-logarithmic $p$-adic cohomology theories, 上智大学セミナー, 上智大学, November 24, 2017.
  • Shuji Yamamoto, Harmonic relation and integral expression for Kawashima functions, Arithmetic Geometry and Related Topics, 愛媛大学, November 22, 2017.
  • Veronika Ertl, Syntomic cohomology and p-adic motivic cohomology France n Algebraic Geometry with fancy coefficients, Caen大学, November 15, 2017.
  • Masataka Ono, New functional equations of finite multiple polylogarithms Polylogs, multiple zetas, and related topics, Tohoku University, November 11, 2017.
  • Veronika Ertl, Integral Monsky-Washnitzer and overconvergent de Rham-Witt cohomology, BIRS CANADA, $p$-adic cohomology and arithmetic applications, October 2, 2017.
  • Kazuto Ohta, On the Mazur-Tate refined conjecture for modular forms, Workshop on $p$-adic $L$-functions and algebraic cycles, NTU Taipei, September 12, 2017.
  • Masataka Ono, New functional equations of finite multiple polylogarithms 第37回関西多重ゼータ研究会, 東北大学, September 10, 2017.
  • Shuji Yamamoto, 川島関数の諸公式と問題 第37回関西多重ゼータ研究会, 東北大学，September 9, 2017.
  • Kenichi Bannai, プレクティック混合ホッジ構造について (joint work with Kei Hagihara, Shinichi Kobayashi, Kazuki Yamada, Shuji Yamamoto, and Seidai Yasuda), Regulators in Niseko 2017, September 6, 2017.
  • Masataka Ono, New functional equations of finite multiple polylogarithms 第11回福岡整数論研究集会, 九州大学, August 10, 2017.
  • Masataka Ono, 小野-山本型有限多重ポリログの函数等式, 早稲田整数論セミナー, 早稲田大学, June 30, 2017.
  • Veronika Ertl, Syntomic cohomology and $p$-adic motivic cohomology, Hakodate workshop on arithmetic geometry 2017, 函館北洋ビル, May 30, 2017.
  • Kazuki Yamada, Category of mixed plectic Hodge structures (joint work with Kenichi Bannai, Kei Hagihara, Shinichi Kobayashi, Shuji Yamamoto, Seidai Yasuda), Fukuoka International Conference on Arithmetic Geometry 2017, 九州大学, April 21, 2017.
  • Shuji Yamamoto, Kawashima functions and multiple zeta values Fukuoka International Conference on Arithmetic Geometry 2017, 九州大学, April 18, 2017.
  • Masataka Ono, Finite multiple zeta values associated with 2-colored rooted trees, 九州代数的整数論2017, 九州大学伊都キャンパス, March 9, 2017.
  • Yuuki Takai, The Manin constants for Hilbert modular forms, The workshop ”Modular forms and period integrals ”, September 13, 2016.
  • Shuji Yamamoto, On values of the multiple zeta function of Kaneko-Tsumura type, Japan-Taiwan Joint conference on Number theory 2016, National Taiwan University, September 10, 2016.
  • Masataka Ono, Finite multiple zeta values associated with 2-colored rooted trees, Various Aspects of Multiple Zeta Values 2016, RIMS, July 12, 2016.
  • Shuji Yamamoto, Integral-series identity, regularized double shuffle relation and Kawashima's relation, Various Aspects of Multiple Zeta Values 2016, Kyoto University RIMS, July 11, 2016.
  • Shuji Yamamoto, On Kawashima's relation among multiple zeta values, Analogies between number fields and function fields: algebraic and analytic aspects, Institut Camille Jordan, June 28, 2016.
  • Yuuki Takai, 保型 L-関数の中心値の mod pでの非零性問題への半整数ウエイト保型形式の応用, 香川セミナー, June 18, 2016.
  • Yuuki Takai, 類数の非可除性問題への跡公式の応用, 香川セミナー, June 18, 2016.
  • Shuji Yamamoto, A generalization of Kaneko-Sakata's formula, APU多重ゼータ＆モジュラーセミナー, 立命館アジア太平洋大学, May 28, 2016.
  • Masataka Ono, 重み付き木に対する有限多重ゼータ値, 慶應代数セミナー, 慶應大学, April 18, 2016.
  • Kazuto Ohta, Mazur-TateのBSD型精密化予想について, 早稲田整数論セミナー, 早稲田大学, April 15, 2016.
  • Kazuki Yamada, Log rigid syntomic cohomology for strictly semistable schemes, Arithmetic Geometry Seminar in Regensburg University, Regensburg University, April 14, 2016.
  • Masataka Ono, Shuffle products of finite multiple polylogarithms (joint work with Shuji Yamamoto), Workshop on Polylogarithms, MZVs and Mahler measures, 東北大学, March 29, 2016.
  • Shuji Yamamoto, 多重ゼータ値の級数表示と積分表示, 早稲田整数論研究集会2016, 早稲田大学, March 22, 2016.
  • Kazuto Ohta, On the Mazur-Tate refined conjecture of BSD type, 第12回数学総合若手研究集会, 北海道大学, February 29, 2016.
  • Yoshinosuke Hirakawa, On the descent of certain modular Calabi-Yau varieties via the Cynk-Hulek construction, 第12回数学総合若手研究集会, 北海道大学, February 29, 2016.
  • Shuji Yamamoto, 重み付き木に対する有限多重ゼータ値, 第9回多重ゼータ研究集会, （第29回関西多重ゼータ研究会共同開催）, 九州大学伊都キャンパス, February 23, 2016.
  • Yoshinosuke Hirakawa, On the descent of certain modular Calabi-Yau varieties via the Cynk-Hulek construction, 京都大学代数幾何学セミナー, 京都大学, February 19, 2016.
  • Masataka Ono, Finite multiple zeta values for weighted trees, The 9th Young Mathematicians Conference on Zeta Functions, 沖縄船員会館, February 16, 2016.
  • Yoshinosuke Hirakawa, On the descent of certain modular Calabi-Yau varieties via the Cynk-Hulek construction , Sendai International Conference on Arithmetic Geometry 2016, 東北大学, January 28, 2016.
  • Kazuto Ohta, Kato's Euler system and the Mazur-Tate refined conjecture of BSD type,” , Sendai International Conference on Arithmetic Geometry 2016, 東北大学, January 28, 2016.
  • Masataka Ono, 重み付き木に対する有限多重ゼータ値, 早稲田整数論セミナー, 早稲田大学, January 8, 2016.
  • Yuuki Takai, CM 体の相対類数の非可除性に関するこれまでのことと 今後のこと, 北陸数論研究集会, 金沢大学サテライトプラザ , December 27, 2016.
  • Yoshinosuke Hirakawa, On the descent of certain modular Calabi-Yau varieties via the Cynk-Hulek construction, 代数的整数論とその周辺2015 , 京都大学数理解析研究所, December 1, 2015.
  • Kazuto Ohta, 加藤オイラー系とメイザー・テイトの BSD 型精密化予想について, 代数的整数論とその周辺2015　, 京都大学数理解析研究所, November 30, 2015.
  • Shuji Yamamoto, The Kaneko-Tsumura multiple zeta functions of r+r variables, Zeta Functions of Several Variables and Applications, 名古屋大学, November 13, 2015.
  • Shuji Yamamoto, 多重ゼータおよびゼータスター値の正規化定理 (joint work with Masanobu Kaneko), 第27回関西多重ゼータ研究会, 立命館大学, October 17, 2015.
  • Masataka Ono, Shuffle product of finite multiple polylogarithms (joint work with Shuji Yamamoto), Boston-Keio Workshop 2015, Boston University, September 9, 2015.
  • Kazuki Yamada, Log rigid syntomic cohomology for strictly semistable schemes, Boston-Keio Workshop 2015, Boston University, September 9, 2015.
  • Yuuki Takai, On non-vanishing modulo p of central values of L-functions over totally real fields, Boston-Keio Workshop 2015, Boston University, September 9, 2015.
  • Yoshinosuke Hirakawa,On the descent of certain modular Calabi-Yau varieties via the Cynk-Hulek construction , Boston-Keio Workshop 2015, Boston University, September 9, 2015.
  • Shuji Yamamoto, The Kaneko-Tsumura multiple zeta functions of r+r variables, Boston-Keio Workshop 2015, Boston University, September 9, 2015.
  • Kazuki Yamada,強半安定スキームのリジッドサントミックコホモロジーについて, レギュレーター in ニセコ 2015,, September 7, 2015.
  • Masataka Ono, 有限多重ポリログのシャッフル積 (joint work with Shuji Yamamoto), 第14回広島仙台整数論集会, 広島大学理学部, July 16, 2015.
  • Yuuki Takai, Manin 定数の総実化について, , 北陸数論セミナー , 金沢大学サテライトプラザ, July 9, 2015.
  • Masataka Ono, 有限多重ポリログのシャッフル積, 日本数学会2015年度年会, 明治大学, March 23, 2015.
  • Yoshinosuke Hirakawa, On the descent of modular Calabi-Yau varieties arising from the Cynk-Hulek construction, 第11回数学総合若手研究集会, 北海道大学, March 2, 2015.
  • Masataka Ono, 有限多重ポリログのシャッフル積, 第8回多重ゼータ研究集会, 大阪体育大学, February 19, 2015.
  • Masataka Ono, Shuffle product of finite multiple polylogarithms, 第8回若手ゼータ研究集会, 名古屋大学, February 14, 2015.
  • Kenichi Bannai, ポリログと$L$関数の特殊値, 代数セミナー, 東北大学, January 15, 2015.
  • Shuji Yamamoto, 多重ゼータ値と川島関数, 愛媛大学代数セミナー, 愛媛大学, December 8, 2014.
  • Shuji Yamamoto, On Kawashima’s functions, Japan-Korea Joint Seminar on Number Theory and Related Topics 2014, 慶應義塾大学, November 21, 2014.
  • Masataka Ono, Shuffle product of finite multiple polylogarithms, Yonsei-Keio Cooperative Research Conference in Mathematical Sciences 2014, 慶應義塾大学, November 18, 2014.
  • Yoshinosuke Hirakawa, On the descent of modular Calabi-Yau varieties arising from the Cynk-Hulek construction, Yonsei-Keio Cooperative Research Conference in Mathematical Sciences 2014, 慶應義塾大学, November 18, 2014.
  • Shuji Yamamoto, 等号付き多重ゼータ値と2-1公式, 第59回代数学シンポジウム, 東京大学, September 10, 2014.
  • Shuji Yamamoto, On integral expressions of multiple zeta-star values, 日台整数論研究集会, 休暇村気仙沼大島, September 2, 2014.
  • Shuji Yamamoto, Multiple integrals associated with 2-labeled posets, Workshop on Multiple Zeta Values, 九州大学, August 23, 2014.
  • Shuji Yamamoto, $2$-labeled poset に付随する積分と多重ゼータ値, 第7回ゼータ若手研究集会, 名古屋大学, February 15, 2014.
  • Yuuki Takai, 総虚二次拡大の相対類数の非可除性とそれらの相対岩澤不変量の消滅, 九州代数的整数論2014, 九州大学, February 7, 2014.
  • Kenichi Bannai, On the Eisenstein class and relation to Katz $p$-adic $L$-function, East Asia Number Theory Conference 2014, 九州大学, January 20, 2014.
  • Kenichi Bannai, On the $p$-adic analogue of Eisenstein-Kronecker series, Modular functions and Quadratic forms -- Number theoretic delights, Osaka University, December 21, 2013.
  • Shuji Yamamoto, 等号付き多重ゼータ値の積分表示について, 金沢数論ミニ集会2013, December 2, 2013.
  • Yuuki Takai, Indivisibility of relative class numbers of CM quadratic extensions and vanishing of these relative Iwasawa invariants, Number Theory Seminar, Stanford University, November 8, 2013.
  • Yuuki Takai, Indivisibility of relative class numbers of CM quadratic extensions and vanishing of these relative Iwasawa invariants, Number Theory Seminar, UC Berkeley, October 9, 2013.
  • Yuuki Takai, A determining condition of Hilbert modular forms, Algebra Seminar, Emory University, September 3, 2013.
  • Yuuki Takai, A determining condition of Hilbert modular forms, KIAS Number Theory Seminar, KIAS, August 8, 2013.
  • Yuuki Takai, Indivisibility of relative class numbers of CM quadratic extensions and vanishing of these relative Iwasawa invariants, 수리과학부/RIM/BK21/PARC 세미나, ソウル大学, August 5, 2013.
  • Shuji Yamamoto, 等号付き多重ゼータ値の積分表示に関する注意, RIMS研究集会 「多重ゼータ値の諸相」, 京都大学数理解析研究所, July 23, 2013.
  • Yuuki Takai, 総虚二次拡大の相対類数の非可除性と それらの相対岩澤不変量の消滅, 香川セミナー, 香川大学, June 22, 2013.
  • Yuuki Takai, 総虚二次拡大の相対類数の非可除性とそれらの相対岩澤不変量の消滅について, 岩澤理論セミナー, 慶應義塾大学, May 27, 2013.
  • Yuuki Takai, 総実数体の総虚二次拡大体の相対類数の非可除性について, 日本数学会2013年度年会, 京都大学, March 23, 2013.
  • Yasuko Hasegawa, Central values of standard $L$-functions for $Sp(2)$, 日本数学会2013年度年会, 京都大学, March 22, 2013.
  • Shuji Yamamoto, 多重ゼータ値，等号付き多重ゼータ値と調和代数, 代数セミナー, 東北大学, February 19, 2013.
  • Shuji Yamamoto, 調和代数とオペラッド作用について, 第6回ゼータ若手研究集会, 長崎大学, February 16, 2013.
  • Takashi Miura, On the Fitting ideals of ideal class groups of non-cyclic CM-extensions, Oberseminar Zahlentheorie, LMU München, February 6, 2013.
  • Yuuki Takai, Indivisibility of relative class numbers of CM quadratic extensions of totally real Galois number fields, Korea-Japan Joint Seminar on Number Theory and Related Topics, 梨花女子大学, January 24, 2013.
  • Masataka Ono, Crystalline functions and the elliptic polylogarithm, Korea-Japan Joint Seminar on Number Theory and Related Topics, 梨花女子大学, January 22, 2013.
  • Tomoki Hirotsune, $p$-adic Eisenstein-Kronecker series and special values of $p$-adic $L$-functions, Korea-Japan Joint Seminar on Number Theory and Related Topics, 梨花女子大学, January 22, 2013.
  • Yasuko Hasegawa, The critical values of exterior square $L$-functions of $GL_2$, Korea-Japan Joint Seminar on Number Theory and Related Topics, 梨花女子大学, January 21, 2013.
  • Shuji Yamamoto, Quasi-shuffle algebra and the operad for power series, Korea-Japan Joint Seminar on Number Theory and Related Topics, 梨花女子大学, January 21, 2013.
  • Yuuki Takai, CM 体の相対類数の非可除性について, 早稲田大学整数論セミナー, 早稲田大学, November 23, 2012.
  • Kenichi Bannai, $p$-adic Eisenstein-Kronecker function for CM elliptic curves, $p$-adic cohomology and its applications to arithmetic geometry, 東北大学, November 1, 2012
  • Shuji Yamamoto, Sum formula for certain multiple $L$-values and polylogarithms, 国際研究集会「ゼータ関数2012」, 東京工業大学, September 25, 2012.
  • Kenichi Bannai, $p$-adic Eisenstein-Kronecker function for CM elliptic curves, Number Theory Day in Keio, 慶應義塾大学, September 13, 2012.
  • Takashi Miura, Brumer-Stark予想１・２, 2012年度整数論サマースクール「Stark予想」, 国民休暇村南阿蘇, September 5, 2012.
  • Shuji Yamamoto, Galois cohomologyの準備, 有理数値指標の場合, 2012年度整数論サマースクール「Stark予想」, 国民休暇村南阿蘇, September 4, 2012.
  • Takashi Miura, On the Fitting Ideals of Ideal Class Groups of CM-fields, 2012 NCTS Japan-Taiwan Joint Conference on Number Theory, National Tsing-Hua University, August 29, 2012.
  • Yuuki Takai, CM体の相対類数の非可除性について, 北陸数論セミナー, 金沢大学サテライトプラザ, July 19, 2012.
  • Kenichi Bannai, On the Eisenstein class for Hilbert modular surfaces, Arithmetic Geometry week in Tokyo, 東京大学, June 4, 2012.
  • Shuji Yamamoto, 多重ゼータ値と多重ゼータスター値の補間多項式, 早稲田整数論セミナー, 早稲田大学, June 1, 2012.
  • Tomoki Hirotsune, $p$-adic Eisenstein-Kronecker series and special values of $p$-adic $L$-functions, The 3rd Keio-Yonsei Workshop in Mathematics, 慶應義塾大学, May 25, 2012.
  • Takashi Miura, On the Fitting ideals of the ideal class groups of CM-fields, The 3rd Keio-Yonsei Workshop in Mathematics, 慶應義塾大学, May 25, 2012.
  • Shuji Yamamoto, Weighted lonesum matrices and their generating function (Joint work with Ken Kamano and Yasuo Ohno), The 3rd Keio-Yonsei Workshop in Mathematics, 慶應義塾大学, May 25, 2012.
  • Yuuki Takai, On Sturm's theorem for modular forms, The 3rd Keio-Yonsei Workshop in Mathematics, 慶應義塾大学, May 24, 2012.
  • Yasuko Hasegawa, The third Eisenstein cohomology classes for symmetric spaces associated to symplectic group, 研究集会「第５回 数論女性の集まり(WINJ5)」, 早稲田大学, May 19, 2012.
  • Shuji Yamamoto, 多重ゼータ値と多重ゼータスター値の補間多項式, 関西多重ゼータ研究会, 近畿大学, May 12, 2012.
  • Shuji Yamamoto, 多重ゼータ値における「等号付き類似」について, 代数セミナー, 慶應義塾大学, April 9, 2012.
  • Rei Otsuki, Construction of $p$-adic Hecke $L$-functions using the Kronecker theta function in the cyclotomic supersingular case, プロジェクト研究集会, 箱根, March 11, 2012.
  • Yuuki Takai, 相対類数の非可除性について, , プロジェクト研究集会, 箱根, March 10, 2012.
  • Tomoki Hirotsune, $p$-adic Eisenstein-Kronecker series and special values of $p$-adic $L$-functions, , プロジェクト研究集会, 箱根, March 10, 2012.
  • Kenichi Bannai, Hilbert modular 曲面のEisenstein類について, , プロジェクト研究集会, 箱根, March 9, 2012.
  • Kenichi Bannai, On the Eisenstein class for Hilbert-Blumenthal surfaces, DFB Research Group "Algebraic Cycles and $L$-functions" Final Conference, Regensburg大学, March 1, 2012.
  • Yuuki Takai, An analogue of Sturm’s theorem for Hilbert modular forms, 日韓整数論セミナー2011, 名古屋大学, November 10, 2011.
  • Kenichi Bannai, $p$-adic Eisenstein-Kronecker functions and periods of the elliptic polylogarithm, 日韓整数論セミナー2011, 名古屋大学, November 10, 2011.
  • Kentaro Nakamura, Iwasawa cohomology and Bloch-Kato's exponential map for $B$-pairs, 代数セミナー, 慶應義塾大学, October 24, 2011.
  • Tomoki Hirotsune, $p$-adic Eisenstein-Kronecker series and special values of $p$-adic $L$-functions, Boston-Keio Summer Workshop, Boston大学, September 19, 2011.
  • Kentaro Nakamura, Zariski density of crystalline representations for any $p$-adic field, Boston-Keio Summer Workshop, Boston大学, September 17, 2011.
  • Rei Otsuki, Construction of $p$-adic Hecke $L$-functions using the Kronecker theta function in the cyclotomic supersingular case, Boston-Keio Summer Workshop, Boston大学, September 16, 2011.
  • Kenichi Bannai, The polylogarithm and special values of complex and p-adic L-functions (3 Lectures), Boston-Keio Summer Workshop, Boston大学, September 15, 16, 19, 2011.
  • Kentaro Nakamura, Zariski density of crystalline representations for any $p$-adic field, Workshop on the arithmetic geometry of Shimura varieties and Rapoport-Zink spaces, 京都大学, July 4, 2011.
  • Kentaro Nakamura, Zariski density of crystalline representations for any $p$-adic field, 代数セミナー, 慶應義塾大学, April 21, 2011.
  • Kenichi Bannai, $p$-adic Beilinson conjecture for ordinary Hecke motives associated to imaginary quadratic fields, 岩澤理論ミニ研究集会, 京都大学, April 9, 2011.
  • Rei Otsuki, Construction of $p$-adic Hecke $L$-functions using the Kronecker theta function in the cyclotomic supersingular case, 岩澤理論ミニ研究集会, 京都大学, April 9, 2011.
  • Takahiro Tsushima, Stable reduction of the Lubin-Tate space $\mathcal{X}(\pi^2)$, 数論幾何セミナー, 北海道大学, March 7, 2011.
  • Kentaro Nakamura, Zariski density of crystalline representations, 数論幾何セミナー, 北海道大学, March 7, 2011.
  • Kentaro Nakamura, Zariski density of crystalline representations, 九州代数数的整数論2011, 九州大学, February 17, 2011.
  • Kentaro Nakamura, $GL_2(\mathbb{Q}_p)$の $p$進局所ラングランズ対応について, 城崎新人セミナー, 城崎, February 15, 2011.
  • Kenichi Bannai, $p$-adic Beilinson conjecture for ordinary Hecke motives associated to imaginary quadratic fields, 数論幾何セミナー, 名古屋大学, February 1, 2011.
  • Takahiro Tsushima, モジュラー曲線 $X_0(p^4)$ の安定モデル, RIMS研究集会「代数的整数論とその周辺」, 京都大学, December 8, 2010.
  • Takahiro Tsushima, On the stable reduction of $X_0(p^4)$, Industrious Number Theory 3, KIAS, November 10, 2010.
  • Kei Hagihara, Some theorems on Kummer etale $K$-groups, 数論幾何学ワークショップ2010, 沖縄, August 2, 2010.
  • Kei Hagihara, Kummer etale $K$ 群とその応用, 代数セミナー, 慶應義塾大学, July 29, 2010.
  • Takahiro Tsushima, On the stable reduction of the modular curve $X_0(p^4)$, 第9回仙台広島整数論集会, 東北大学, July 22, 2010.
  • Kentaro Nakamura, Zariski density of crystalline representations, 第9回仙台広島整数論集会, 東北大学, July 22, 2010.
  • Rei Otsuki, Construction of $p$-adic Hecke $L$-functions using the Kronecker theta function in the cyclotomic supersingular case, 第9回仙台広島整数論集会, 東北大学, July 20, 2010.
  • Takahiro Tsushima, On the stable reduction of $X_0(p^4)$, 代数学コロキウム, 東京大学, July 7, 2010.
  • Kenichi Bannai, $p$-adic Beilinson conjecture for ordinary Hecke motives associated to imaginary quadratic fields, Arithmetic geometry and $p$-adic differential equations, 東北大学, July 3, 2010.
  • Kenichi Bannai, $p$-adic Beilinson conjecture for ordinary Hecke motives associated to imaginary quadratic fields, KIAS Number Theory Seminar, KIAS, June 9-10, 2010.
  • Kentaro Nakamura, Construction of $p$-adic families of trianguline representations, 玉原数論幾何研究集会, 玉原, May 24, 2010.
  • Rei Otsuki, On $p$-adic distribution constructed by theta functions in the supersingular case, 岩澤理論セミナー, April 17, 2010.
  • Kenichi Bannai, 楕円ポリログと $p$進 $L$関数, 代数学セミナー, 広島大学, January 15, 2010.
  • Kentaro Nakamura, Trianguline表現と二次元クリスタリン表現のザリスキー稠密性について, 数論幾何セミナー, 名古屋大学, January 12, 2010.
  • Kenichi Bannai, 楕円ポリログと整数論, 広島大学 数学教室 談話会, 広島大学, January 12, 2010.
  • Kentaro Nakamura, 二次元クリスタリン表現の Zariski 稠密性, RIMS研究集会「代数的整数論とその周辺」2009, 東京大学, December 8, 2009.
  • Kenichi Bannai, Guido Kings, Eisenstein 類と Katz の $p$進 $L$関数, RIMS研究集会「代数的整数論とその周辺」2009, 東京大学, December 5, 2009.
  • Kentaro Nakamura, Trianguline representations and Zariski density of two dimensional cristalline representations, Keio-Yonsei Cooperative Research Conference on Mathematical Sciences 2009, Yonsei University, November 19, 2009.
  • Rei Otsuki, Kenichi Bannai, Construction of $p$-adic Hecke $L$-functions using the Kronecker theta function in the cyclotomic supersingular case, Keio-Yonsei Cooperative Research Conference on Mathematical Sciences 2009, Yonsei University, November 19, 2009.
  • Kentaro Nakamura, Zariski density of two dimensional trianguline representations of $p$-adic fields, Workshop: $p$-進特殊関数と数論幾何, October 29, 2009.
  • Kentaro Nakamura, Zariski density of two dimensional cristalline representations, 代数セミナー, 九州大学, October 22, 2009.
  • Kentaro Nakamura, Trianguline表現の分類とZariski稠密性について, 日本数学会2009年度秋季総合分科会, 代数分科会・一般講演, 大阪大学, September 25, 2009.
  • Rei Otsuki, Construction of a homomorphism concerning Euler systems for an elliptic curve, 日本数学会2009年度秋季総合分科会, 代数分科会・一般講演, 大阪大学, September 25, 2009.
  • Kenichi Bannai, $p$-adic Elliptic Polylogarithm, $p$-adic Eisenstein series and Katz measure (joint work with Guido Kings), East Asia Number Theory Conference, Beijing, August 19-22, 2009.
  • Kentaro Nakamura, $p$-進表現入門 Ⅰ, Ⅱ, 第17回（2009年度）整数論サマースクール「l-進ガロア表現とガロア表現の整数論」, アピカルイン京都, August 17-21, 2009.
  • Kentaro Nakamura, Zariski density of two dimensional trianguline representations of $p$-adic fields, $p$-adic Automorphic Forms and Arithmetic Geometry, 気仙沼大島, July 28-31, 2009.
  • Kentaro Nakamura, $p$-進体の二次元三角表現のZariski稠密性, 第８回広島整数論集会, 広島大学, July 24, 2009.
  • Kentaro Nakamura, Zariski density of two dimensional trianguline representations of $p$-adic fields, 代数セミナー, 慶應義塾大学, June 18, 2009.
  • Kentaro Nakamura, Zariski density of two dimensional trianguline representations of $p$-adic fields, 大阪大学整数論 ＆ 保型形式セミナー, 大阪大学, June 5, 2009.
  • Kenichi Bannai, Eisenstein類, Katz測度と $p$進$L$関数 (joint work with Guido Kings), 数論幾何セミナー, 北海道大学, June 4-5, 2009.
  • Kenichi Bannai,虚数乗法を持つ楕円曲線のp進ポリログとp進L関数, 整数論セミナー, 東北大学, October 20, 2008.
  • Kenichi Bannai,楕円ポリログ，Eisenstein類とp進L関数, 日本数学会 2008年度秋季総合分科会, 代数分科会・特別講演, 東京工業大学, September 26, 2008.
  • Kenichi Bannai, 楕円ポリログとp進L関数, 代数学シンポジウム, 岩手県盛岡市, August 5-8, 2008.
  • Kenichi Bannai, p-adic elliptic polylogarithm, p-adic Eisenstein series and Katz measure (joint work with Guido Kings), 代数学コロキウム, 東京大学, June 4, 2008.
  • Kenichi Bannai, p-adic elliptic polylogarithm, p-adic Eisenstein series and Katz measure (joint work with Guido Kings), 数論ひろば, 名大多元, May 30, 2008.
  • Kenichi Bannai,虚数乗法をもつ楕円曲線のp-進ポリログとp-進L-関数, 代数セミナー, 慶應大学, April 28, 2008.
  • Kenichi Bannai, Eisenstein-Kronecker数と代数的テータ関数, 日本数学会 2008年度年会, March 22-26, 2008.
  • Kenichi Bannai, p-adic elliptic polylogarithm, p-adic Eisenstein series and Katz measure, Arithmetic applications of p-adic analysis and rigid spaces, Regensburg University, February 19, 2008.
  • Kenichi Bannai, 代数的テータ関数と Eisenstein-Kronecker数のp-進補完, 代数セミナー, 九州大学, November 16, 2007.
  • Kenichi Bannai, Introduction, and the case of the Riemann zeta function, Realizations of the elliptic polylogarithm for CM elliptic curves, Number Theory Monthly Mini Workshop, POSTECH, October 27, 2007.
  • Kenichi Bannai, 虚数乗法をもつ楕円曲線のp-進ポリログと 2変数 p-進 L-関数, 「代数的整数論とその周辺」, 数理解析研究所, December 10-14, 2007.
  • Kenichi Bannai, 楕円ポリログ, 夏の学校「多重ゼータ値とモティーフ」, 東北大学, July 26-28, 2007.
  • Kenichi Bannai, On the p-adic Eisenstein-Kronecker series for CM elliptic curves, Number Theory Seminar, Regensburg University, June 29, 2007.
  • Kenichi Bannai, On realizations of the elliptic polylogarithm, Algebraische Zahlentheorie, Oberwolfach, June 17-23, 2007.
  • Kenichi Bannai, On the p-adic elliptic polylogarithm and the two-variable p-adic L-function for CM elliptic curves, Tambara Institute of Mathematical Science, June 4-8, 2007.