Toshiyuki KOBAYASHI

• 29 October 2011: Mr. Yuichiro Tanaka (M2) has been appointed as JSPS Research Fellows (DC1) of the academic year 2012.
• 16 May 2011: Mr. Job Kuit has defended his Ph.D. dissertation.
• 18 March 2011: Professor Yves Benoist is to be awarded Clay Research Award.
• 31 December 2010: Dr. Atsumu Sasaki has been appointed as a tenured lecturer at Tokai University, commencing 1 April.
• 31 December 2010: Dr. Noriyuki Abe has been appointed as an assistant professor at Hokkaido University, commencing 16 February.
• 31 December 2010: Dr. Taro Yoshino has been appointed as an associate professor at the University of Tokyo, commencing 1 April.
• 12 November 2010: Mr. Jan Möllers has defended his Ph.D. dissertation.
• 3 April 2010: Dr. Fanny Kassel has been appointed as a tenured researcher at CNRS in France.
• 14 March 2010: Mr. Yoshiki Oshima (M2) is to be awarded the University of Tokyo President's Prize (ceremony on 24 March). Mr. Takayuki Okuda (M2) is to be awarded the Graduate School of Mathematical Sciences Director's Prize.
• 2 November 2009: Mr. Yoshiki Oshima (M2) and Mr. Takayuki Okuda (M2) have been appointed as JSPS Research Fellows (DC1) of the academic year 2010.
• 17 September 2008: Dr. Yukio Koriyama has assumed his duties as assistant professor at l'École Polytechnique.
• 8 April 2008: Mr. Katsuki Teduka, Mr. Atsumu Sasaki and Mr. Masayasu Moriwaki defended their Ph.D. theses (March 2008).
• Log

• 30 October-5 November 2011: Analysis on pseudo-Riemannian locally symmetric spaces, Chern Centennial Conference, Mathematical Science Research Institute (MSRI) at Berkeley, California, USA. [ full info ]
• 5-6 November 2011: Finite multiplicity theorems, Lie Groups, Lie Algebras and their Representations (organized by Joseph Wolf), University of California, Berkeley, California, USA. [ full info ]
• 14 December 2011: Global Geometry and Analysis on Locally Homogeneous Spaces, IPMU Colloquium, IPMU, the University of Tokyo. [ full info ]
• 28-31 December 2011: Discrete Spectrum for Non-Riemannian Locally Symmetric Spaces, Cohomology of Arithmetic Groups (on the occasion of Prof. MS Raghunathan turning 70 during the year), Tata Institute of Fundamental Research, Mumbai, India. [ full info ]
• 8-9 January 2012: Conformally equivariant differential operators and branching problems of Verma modules, Workshop on Geometric Analysis on Euclidean and Homogeneous Spaces (in honor of Sigurdur Helgason's 85th birthday), Tufts University, USA. [ full info ]
• 11-14 January 2012: Stable Spectrum for non-Riemannian Locally Symmetric Spaces, Lie Groups: Structure, Actions and Representations (in honor of Prof. Joe Wolf's 75th birthday), Ruhr-Universität, Bochum, Germany. [ full info ]
• 12-16 May 2012: TBA, Mathematical Physics and Representation Theory (in honor of Prof. Igor Frenkel's 60th birthday). Yale University, USA.
• 25-29 June 2012: TBA, Conference in honor of Souriau's 90th birthday, Aix-en-Provence, France.
• 5-16 August 2013: Analysis on Minimal Representations, International summer research school of CIMPA 2013 ''Hypergeometric functions and representation theory'', Mongolia.

• 4 June 2011: The Ninth Takagi Lecutres, Research Institute for Mathematical Sciences (RIMS), Kyoto University.
• 14-20 November 2010: Representation Theory and Harmonic Analysis (organized by T. Kobayashi and B. Krötz), Oberwolfach, Germany.
• 23 November 2010: The Eighth Takagi Lectures, Research Institute for Mathematical Sciences (RIMS), Kyoto University.
• 25-29 July 2011: Branching problems for unitary representations (organized by T. Kobayashi, B. Ørsted and B. Speh), Max Planck Institute for Mathematics Bonn, Germany.
• 21-26 October 2012: Harmonic Analysis, Operator Algebras and Representations (organized by Jean Ludwig and Anthony To-Ming Lau), CIRM, Luminy, France.
• 10-16 March 2013: Representations of Lie Groups and Supergroups (organized by Joachim Hilgert, Toshiyuki Kobayashi, Karl-H. Neeb and Tudor Ratiu), Oberwolfach, Germany.

• International conferences (co)organized by T. Kobayashi

• Course lecture list

• Professor Masaki Kashiwara, 5-9 December 2011

• Lie Groups and Representation Theory Seminar

• Postdocs, students & visitors

• Global COE Program, The University of Tokyo (1 August 2008- ) [ pamphlet ]

• Institute for the Physics and Mathematics of the Universe (principal investigator, June 2011- ; joint appointment, August 2009- )

• Managing Editor, Japanese Journal of Mathematics (2005- )
• Editor, Geometriae Dedicata (2000- )
• Editor, International Mathematics Research Notices (2002- )
• Editor, International Journal of Mathematics (2004- )
• Editor, Kyoto Journal of Mathematics (2010- )
• Editor, Journal of Mathematical Sciences, The University of Tokyo (2007- )
• Editor, Advances in Pure and Applied Mathematics (2008- )
• Editor in Chief, Journal of Mathematical Society of Japan (2002-2004; 2004-2006), Editor (1998-2006)
• Editor, Publications RIMS (2003-2007)
• Editor, International Mathematics Research Papers (2005-2008)

• Member, Science Council of Japan (2006-2008)
• Board of Trustees, Mathematical Society of Japan (2003-2005; 2005-2007)

• Organizer, Takagi Lectures (2006- )

Awards and academic honours

• Inoue Prize for Science (2010)
• Humboldt Research Award (2008)
• Sackler Distinguished Lecturer (2007)
• JSPS Prize (2007)
• Osaka Science Prize (2006)
• ICM 2002 (invited address)
• Spring Prize (1999)
• Takebe Prize (1997)

• Address:
  Graduate School of Mathematical Sciences, The University of Tokyo
  3-8-1 Komaba, Meguro, Tokyo, 153-8914 Japan
  [ Access ]
• Email:
  toshi (at) ms.u-tokyo.ac.jp
• Fax:
  +81-3-5465-7011 (secretary)
• Phone:
  +81-3-5465-7001 (secretary)

• (with G. Mano) The Schrödinger model for the minimal representation of the indefinite orthogonal group O(p,q), Mem. Amer. Math. Soc. 212, no. 1000, vi+132 pp., (published online first, on 4 February 2011). [ full info ]
• Visible actions on symmetric spaces, Transformation Groups, 12 (2007), 671-694. [ full info ]
• (with G. Mano), The inversion formula and holomorphic extension of the minimal representation of the conformal group, in Harmonic Analysis, Group Representations, Automorphic Forms and Invariant Theory: In Honour of Roger E. Howe, Singapore University Press and World Scientific Publishing, 2007, pp. 159-223. [ full info ]
• (with T. Yoshino), Compact Clifford-Klein forms of symmetric spaces: revisited, Pure and Appl. Math. Quarterly 1 (2005), 603-684, Special Issue: In Memory of Professor Armand Borel. [ full info ]
• Multiplicity-free representations and visible actions on complex manifolds, Publ. RIMS 41 (2005), 497-549, special issue commemorating the fortieth anniversary of the founding of RIMS. [ full info ]
• (with B. Ørsted), Analysis on minimal representations of O(p,q), Part I — Realization and conformal geometry, Adv. Math. 180 (2003), 486-512 [ full info ]; Part II — Branching laws, Adv. Math. 180 (2003), 513-550 [ full info ]; Part III — Ultra-hyperbolic equations on R^p-1,q-1, Adv. Math. 180 (2003), 551-595. [ full info ]
• Branching problems of unitary representations, Proc. of ICM, Beijing 2002, 2 (2002), 615-627. [ full info ]
• Discrete decomposability of the restriction of A_q(λ) with respect to reductive subgroups III: restriction of Harish-Chandra modules and associated varieties, Inventiones Mathematicae 131 (1998), 229-256. [ full info ]
• Discrete decomposability of the restriction of A_q(λ) with respect to reductive subgroups II: micro-local analysis and asymptotic K-support, Annals of Math. 147 (1998), 709-729. [ full info ]
• Invariant measures on homogeneous manifolds of reductive type, J. reine und angew. Math. 490 (1997), 37-53. [ full info ]
• Discrete decomposability of the restriction of A_q(λ) with respect to reductive subgroups and its applications, Invent. Math. 117 (1994), 181-205. [ full info ]
• A necessary condition for the existence of compact Clifford-Klein forms of homogeneous spaces of reductive type, Duke Math. J. 67 (1992), 653-664. [ full info ]
• Proper action on a homogeneous space of reductive type, Math. Ann. 285 (1989), 249-263. [ full info ]

• T. Kobayashi and G. Mano, The Schrödinger model for the minimal representation of the indefinite orthogonal group O(p,q), Mem. Amer. Math. Soc. 212, no. 1000, vi+132 pp. [ full info ]
• T. Kobayashi, Multiplicity-free theorems of the restrictions of unitary highest weight modules with respect to reductive symmetric pairs, in Representation Theory and Automorphic Forms (T. Kobayashi, W. Schmid, and J.-H. Yang, eds.), Progress in Mathematics 255, Birkhäuser, 2007. [ full info ]
• A. Borel, L. Ji, and T. Kobayashi, Lie Theory: Unitary Representations and Compactifications of Symmetric Spaces, (J.-P. Anker and B. Ørsted, eds.), Progress in Mathematics 229, Birkhäuser, 2005, 207 pp. [ full info ]
• T. Kobayashi and T. Oshima, Lie Groups and Representations, Iwanami, 2005, 610 pp (in Japanese). [ full info ]
• T. Kobayashi, Discontinuous groups for non-Riemannian homogeneous spaces, in Mathematics Unlimited — 2001 and Beyond (B. Engquist and W. Schmid, eds.), Springer-Verlag, 2000. [ full info ]
• T. Kobayashi, Singular Unitary Representations and Discrete Series for Indefinite Stiefel Manifolds U(p, q; F)/U(p -m, q; F), Memoirs of the Amer. Math. Soc. 462, 1992, 106 pp. [ full info ]

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• Preprint list (click here)

• Chern Centennial Conference, USA (2011)
• Colloquium, Chicago University, USA (2011)
• Oka Symposium, Japan (2010)
• Geometry and Quantum Theory, the Netherlands (2010)
• Conference in honor of J. Vargas' 60th birthday, Argentina (2009)
• Conference in honor of G. Zuckerman's 60th birthday, USA (2009)
• Mathematische Arbeitstagung, Germany (2009)
• Conference in honor of B. Ørsted's 60th birthday (opening lecture), Germany (2009)
• Colloquium, Yale University, USA (2009)
• Conference in honor of T. Oshima's 60th birthday, Japan (2009)
• Conference, Representations of Lie groups and applications, France (2008)
• The Monna Lectures, Netherlands (2008)
• Conference in honor of Jean-Louis Clerc, France (2008)
• Number Theory Seminar, Harvard University, USA (2008)
• Colloquium, Harvard University, USA (2008)
• Conference in honor of S. Helgason's 80th birthday, Iceland (2007)
• Conference in honor of T. Sunada's 60th birthday, Japan (2007)
• Conference at Max-Planck-Institut für Mathematik, Bonn (closing lecture), Germany (2007)
• Seminar Sophus Lie in honor of E. B. Vinberg's 70th birthday (opening lecture), Germany (2007)
• Summer Solstice Days, Institut de Mathématiques de Jussieu, France (2007)
• Sackler Distinguished Lectures in Pure Mathematics, Israel (2007)
• Conference in honor of H. Abels, Germany (2006)
• Conference in honor of R. Howe's 60th birthday (opening lecture), Singapore (2006)
• Conference in honor of R. Parthasarathy's 60th birthday, India (2006)
• Asian Mathematical Congress, Singapore (2005)
• Seminar Sophus Lie in honor of Jacques Faraut, France (2005)
• Pan-African Congress of Mathematicians (plenary address), Tunisia (2004)
• Conference in honor of G. van Dijk's 65th birthday, Netherlands (2004)
• Conference, Lie groups and representation theory (closing lecture), Denmark (2004)
• ICM 2002, Beijing, China (2002)
• Winter School on Geometry and Physics, Czech Republic (2002)
• Conference on Integral Geometry at MSRI, Berkeley, USA (2001)
• Harvard University (series lectures), USA (2001)
• European School on Group Theory (series lectures), Denmark (2000)
• Summer Solstice Days, Université de Paris 6 & 7, France (1999)
• Annual meeting of the Mathematical Society of Japan (Spring Award), Japan (1999)
• Göttingen Colloquium, Germany (1999)
• Seminar Sophus Lie, Germany (1999)
• Round Table in Global Pseudo-Riemannian Geometry, Nancy, France (1998)
• Conference on Analysis on Lie groups and homogeneous spaces, Denmark (1997)
• The Gelfand Seminar, USA (1997)
• Summer Solstice Days, Université de Paris 6 & 7, France (1996)
• Annual Meeting of Swedish Mathematical Society, Lund, Sweden (1995)
• European School on Group Theory (series lectures), Denmark (1994)
• Workshop in honor of S. Helgason's 65th birthday, Denmark (1992)
• Conference ''75 years of Radon transform'', Vienna, Austria (1992)
• Colloquium at Columbia University, USA (1992)
• Conference on Harmonic analysis on Lie groups, Denmark (1991)

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• Colloquium lecture list (click here)
• Course lecture list (click here)