Professor Takashi Takebe

Takashi Takebe

Professor
Affiliation: BIMSA
Research Field: Mathematical Physics
Office: A3-3-203
Email: takebe@bimsa.cn

Biography

Takashi Takebe is a researcher of mathematical physics, in particular integrable systems. He joined BIMSA as a professor in September 2023. Before coming to BIMSA he worked as a professor at the Faculty of Mathematics of National Research University Higher School of Economics in Moscow, Russia, from April 2009 till August 2023, as an associate professor at the Department of Mathematics, the Faculty of Science, of Ochanomizu University in Tokyo, Japan, from April 1999 till March 2009, and as an assistant professor at the Graduate School of Mathematical Sciences of the University of Tokyo, Japan, from October 1991 till March 1999.
He also performed his research at the University of California, Berkeley, USA, from September 1995 till August 1997, supported by the Overseas Research Fellowships of the Japan Society for the Promotion of Science (JSPS).

He graduated the Department of Mathematics, the Faculty of Science, of the University of Tokyo, Japan in March 1987 and was a graduate student of the Graduate School of Sciences from April 1987 till September 1991. He got the degree of Ph.D. (Mathematical Sciences) in 1995.
He also studied in Leningrad, the USSR, from October 1990 till September 1991 as an exchange student between the USSR and Japan.

Research Interest

  • mathematical physics, integrable systems

Education Experience

  • 1989 - 1991 | the University of Tokyo | Mathematics | Doctor | Received PhD in 1995
  • 1987 - 1989 | the University of Tokyo | Mathematics | Master
  • 1983 - 1987 | the University of Tokyo | Mathematics | Bachelor

Work Experience

  • 2009 - 2023 | National Research University Higher School of Economics | Professor
  • 1999 - 2009 | Ochanomizu University | Associate professor
  • 1991 - 1999 | the University of Tokyo | Assistant professor

Publications

  • [1] Takashi Takebe, 楕円関数入門 ー ヤコビの楕円関数とワイエルシュトラスの楕円関数 ー, 数理科学, 64(3), 8 (2026)
  • [2] Masatoshi Noumi, Takashi Takebe, General Zakharov-Shabat equations without Lax operators, arXiv.org arXiv:2512.24216, 27 (2025)
  • [3] Takashi Takebe, 楕円関数 --- 物理、可積分模型への応用, 数理科学, 63(6), 7 (2025)
  • [4] T. Takebe, A. Zabrodin, Multi-component Toda lattice hierarchy, Uspekhi Matematicheskikh Nauk, 80(4), 74 (2025)
  • [5] T. Takebe, Elliptic integrals and elliptic functions, Springer Verlag, Moscow Lectures series, 9 (2023)
  • [6] T. Takebe, A. Zabrodin, Dispersionless version of the constrained Toda hierarchy and symmetric radial Löwner equation, Lett. Math. Phys., 112(105) (2022)
  • [7] V. Akhmedova, T. Takebe, A. Zabrodin, Löwner equations and reductions of dis- persionless hierarchies, Journal of Geometry and Physics, 162(104100) (2021)
  • [8] V Akhmedova, T Takebe, A Zabrodin, Löwner equations and reductions of dispersionless hierarchies, Journal of Geometry and Physics (2020)
  • [9] T. Takebe, 楕円積分と楕円関数, (日本評論社) (2019)
  • [10] T. Takebe, -operators for higher spin eight vertex models with a rational anisotropy parameter, Lett. Math. Phys., 109, 1867-1890 (2019)
  • [11] V. Akhmedova, T. Takebe, A. Zabrodin, Multi-variable reductions of the dispersionless DKP hierarchy, J. Phys. A, 50(485204) (2017)
  • [12] T. Takebe, Q-Operators for Higher Spin Eight Vertex Models with an Even Number of Sites, Lett. Math. Phys., 106, 319-340 (2016)
  • [13] T. Takebe, Dispersionless BKP hierarchy and quadrant Löwner equation, SIGMA, 10(023) (2014)
  • [14] T. Takebe, Lectures on Dispersionless Integrable Hierarchies, Rikkyo University Mathematical Physics Research Centre Lecture Notes, 2 (2014)
  • [15] T Takebe, Dispersionless BKP Hierarchy and Quadrant Löwner Equation⋆, SIGMA. Symmetry, Integrability and Geometry: Methods and Applications, 10 (2014)
  • [16] K. Takasaki, T. Takebe, An h̄-expansion of the Toda hierarchy: a recursive construction of solutions, Analysis and Mathematical Physics, 2, 171-214 (2012)
  • [17] K. Takasaki, T. Takebe, An h̄-dependent formulation of the Kadomtsev-Petviashvili hi- erarchy, Theoretical and Mathematical Physics, 171(2), 683-690 (2012)
  • [18] K Takasaki, T Takebe, An -dependent formulation of the Kadomtsev–Petviashvili hierarchy, Theoret. and Math. Phys, 171(2), 683-690 (2012)
  • [19] K Takasaki, T Takebe, An {\ hbar}-expansion of the Toda hierarchy, Analysis and Mathematical Physics, 2(2), 171-214 (2012)
  • [20] T Takebe, K Takasaki, An hbar-expansion of the Toda hierarchy: a recursive construction of solutions (2011)
  • [21] K Takasaki, T Takebe, hbar-Dependent KP hierarchy, arXiv preprint arXiv:1105.0794 (2011)
  • [22] K. Takasaki, T. Takebe, L.-P. Teo, Non-degenerate solutions of the universal Whitham hierarchy, J. Phys. A, 43(325205) (2010)
  • [23] K Takasaki, T Takebe, hbar-expansion of KP hierarchy: Recursive construction of solutions, arXiv preprint arXiv:0912.4867 (2009)
  • [24] K. Takasaki, T. Takebe, Löwner equations, Hirota equations and reductions of universal Whitham hierarchy, J. Phys. A, 41(475206) (2008)
  • [25] K Takasaki, T Takebe, Löwner equations, Hirota equations and reductions of the universal Whitham hierarchy, Journal of Physics A: Mathematical and Theoretical, 41(47) (2008)
  • [26] K. Takasaki, T. Takebe, Universal Whitham hierarchy, dispersionless Hirota equa- tions and multi-component KP hierarchy, Physica D, 235, 109-125 (2007)
  • [27] T. Takebe, 数学で物理を, (日本評論社) (2007)
  • [28] K Takasaki, T Takebe, Universal Whitham hierarchy, dispersionless Hirota equations and multicomponent KP hierarchy, Physica D: Nonlinear Phenomena 235 (1-2), 109-125 (2007)
  • [29] T. Takebe, L.-P. Teo, Coupled modified KP hierarchy and its dispersionless limit, SIGMA, 2(072) (2006)
  • [30] T. Takebe, L.-P. Teo, A. Zabrodin, Löwner equations and dispersionless hierarchies, J. Phys. A, 39, 11479-11501 (2006)
  • [31] T. Takebe, N. Sekiya, 可解格子模型と共形場理論の話題から, 上智大学数学講究録, 47 (2006)
  • [32] K Takasaki, T Takebe, Radial Loewner equation and dispersionless cmKP hierarchy, arXiv preprint nlin/0601063 (2006)
  • [33] T. Takebe, Trigonometric Degeneration and Orbifold Wess-Zumino-Witten Model. II, Progress in Mathematics, 237, 205-224 (2005)
  • [34] T. Takebe, Trigonometric Degeneration and Orbifold Wess-Zumino-Witten Model. I, International Journal of Modern Physics, A, 19, 418-435 (2004)
  • [35] T Takebe, TRIGONOMETRIC DEGENERATION AND ORBIFOLD WESS-ZUMINO-WITTEN MODEL I, International Journal of Modern Physics A, 19(supp02), 418-435 (2004)
  • [36] K. Takasaki, T. Takebe, An integrable system on the moduli space of rational functions and its variants, Journal of Geometry and Physics, 47, 1-20 (2003)
  • [37] T. Takebe, A note on modified KP hierarchy and its (yet another) dispersionless limit, Lett. Math. Phys., 59, 157-172 (2002)
  • [38] T Takebe, A note on the modified KP hierarchy and its (yet another) dispersionless limit, Letters in Mathematical Physics, 59(2), 157-172 (2002)
  • [39] G. Kuroki, T. Takebe, Wess-Zumino-Witten model on elliptic curves at the critical level, J. Phys. A, 2403-2414 (2001)
  • [40] G. Kuroki, T. Takebe, Bosonization and integral representation of solutions of the Knizhnik-Zamolodchikov-Bernard equations, Commun. Math. Phys., 204, 587-618 (1999)
  • [41] E. K. Sklyanin, T. Takebe, Separation of Variables in the Elliptic Gaudin Model, Commun. Math. Phys., 204, 17-38 (1999)
  • [42] G Kuroki, T Takebe, Bosonization and Integral Representation of Solutions¶ of the Knizhnik–Zamolodchikov–Bernard Equations, Communications in Mathematical Physics, 204(3), 587-618 (1999)
  • [43] G Kuroki, T Takebe, Wakimoto Modules and Knizhnik-Zamolodchikov-Bernard Equations, Progress of theoretical physics. Supplement, 138-148 (1999)
  • [44] T. Takebe, A system of difference equations with elliptic coefficients and Bethe vectors, Commun. Math. Phys., 183, 161-182 (1997)
  • [45] G. Kuroki, T. Takebe, Twisted Wess-Zumino-Witten models on elliptic curves,, Commun. Math. Phys., 190, 1-56 (1997)
  • [46] G Kuroki, T Takebe, Twisted Wess-Zumino-Witten models on elliptic curves, Communications in mathematical physics, 190, 1-56 (1997)
  • [47] E. K. Sklyanin, T. Takebe, Algebraic Bethe Ansatz for XYZ Gaudin model, Phys. Lett. A, 219, 217-225 (1996)
  • [48] T. Takebe, Bethe Ansatz for Higher Spin XYZ Models — Low-lying Excitations —, J. Phys. A, 29, 6961-6966 (1996)
  • [49] EK Sklyanin, T Takebe, Algebraic Bethe ansatz for the XYZ Gaudin model, Physics Letters A, 219(3), 217-225 (1996)
  • [50] T Takebe, Bethe ansatz for higher-spin XYZ models-low-lying excitations, Journal of Physics A: Mathematical and General, 29(21) (1996)
  • [51] T. Takebe, Bethe Ansatz for Higher Spin Eight-Vertex Models, J. Phys. A, 28, 6675-6706 (1995)
  • [52] K. Takasaki, T. Takebe, Integrable Hierarchies and Dispersionless Limit, Rev. Math. Phys., 7, 743-803 (1995)
  • [53] K. Takasaki, T. Takebe, Loewner equations and dispersionless hierarchies, Nankai Tracts in Mathematics, 10 (1995)
  • [54] T Takebe, Uniqueness of form factors for the reduced sine-Gordon model, Journal of Mathematical Sciences, 77, 3133-3136 (1995)
  • [55] T. Nakatsu, A. Kato, M. Noumi, T. Takebe, Topological String, Matrix Integral, and Singularity Theory, Phys. Lett. B, 322, 192-197 (1994)
  • [56] T Nakatsu, A Kato, M Noumi, T Takebe, Topological strings, matrix integrals, and singularity theory, Physics Letters B, 322(3), 192-197 (1994)
  • [57] K. Takasaki, T. Takebe, Quasi-classical limit of Toda lattice hierarchy and W-symmetries, Lett. Math. Phys., 28, 165-176 (1993)
  • [58] T. Takebe, Generalized XY Z Model associated to Sklyanin algebra,, International Journal of Modern Physics, A, 3A, 440-443 (1993)
  • [59] K Takasaki, T Takebe, Quasi-classical limit of Toda hierarchy and-infinity symmetries, letters in mathematical physics, 28, 165-176 (1993)
  • [60] T Takebe, Generalized XYZ Model associated to Sklyanin algebra, Int. J. Mod. Phys. A, 440-443 (1993)
  • [61] K. Takasaki, T. Takebe, SDiff(2) KP Hierarchy, Adv. Series in Math. Phys., 16, 888-922 (1992)
  • [62] T. Takebe, From General Zakharov-Shabat Equations to the KP and the Toda Lattice Hierarchies, Adv. Series in Math. Phys., 16, 923-940 (1992)
  • [63] T. Takebe, Generalized Bethe Ansatz with general spin representations of the Sklyanin algebra, J. Phys. A, 25, 1071-1083 (1992)
  • [64] T. Takebe, О единственности формфакторов для редуцированных модели синус-Гордона, Записки научных семинаров ЛОМИ, 199, 177-181 (1992)
  • [65] K Takasaki, T Takebe, SDiff (2) KP hierarchy, International Journal of Modern Physics A, 7(supp01b), 889-922 (1992)
  • [66] T Takebe, On uniqueness of formfactors for the reduced sine-Gordon model, Zapiski Nauchnykh Seminarov POMI, 199, 177-181 (1992)
  • [67] T Takebe, Generalized Bethe Ansatz with the general spin representations of the Sklyanin algebra, Journal of Physics A: Mathematical and General, 25(5) (1992)
  • [68] K. Takasaki, T. Takebe, SDiff(2) Toda Equation – Hierarchy, Tau Function and Symmetries –, Lett. Math. Phys., 23, 205-214 (1991)
  • [69] T. Takebe, Representation theoretical meaning of the initial value problem for the Toda lattice hierarchy I, Lett. Math. Phys., 21, 77-84 (1991)
  • [70] T. Takebe, Representation theoretical meaning of the initial value problem for the Toda lattice hierarchy II, Publ. RIMS, 27, 491-503 (1991)
  • [71] T Takebe, Representation theoretical meaning of the initial value problem for the Toda lattice hierarchy: I, Letters in Mathematical Physics, 21(1), 77-84 (1991)
  • [72] K Takasaki, T Takebe, SDiff (2) Toda equation—hierarchy, tau function, and symmetries, Letters in Mathematical Physics, 23, 205-214 (1991)
  • [73] T Takebe, From General Zakharov-Shabat Equations to the KP and the Toda Lattice Hierarchies: RIMS91 Project'Infinite Analysis', 01.06-31.08. 1991: Contributed Papers No. 7, Kyoto University. Research Institute for Mathematical Sciences [RIMS] (1991)
  • [74] K Takasaki, T Takebe, SDiff (2) Toda equation (1991)
  • [75] T. Takebe, Toda Lattice Hierarchy and Conservation Laws, Commun. Math. Phys., 129, 281-318 (1990)
  • [76] M. Fukuma, T. Takebe, The Toda Lattice Hierarchy and Deformations of Conformal Field Theories, Modern Physics Letters A, 5(7), 509-518 (1990)
  • [77] EK Sklyanin, T Takebe, Separation of Variables\\ in the Elliptic Gaudin Model\ end {center}\ vskip1cm\ begin {center}
Update Time: 2026-09-12 09:00:07