Masato Kurihara -Welcome to the website of M. Kurihara

Professor of Mathematics
Keio University

Address:
Department of Mathematics
Faculty of Science and Technology
Keio University
3-14-1 Hiyoshi, Kohoku-ku
Yokohama, 223-8522, JAPAN
Office: Room 745 (14-745)
e-mail: kurihara At math.keio.ac.jp

Japanese pages

Conferences

・Iwasawa 2012, Heidelberg, July 30 - August 3, 2012
・PANT - Pune, India, July 23-July 27, 2012


past conferences
・Boston-Keio summer workshop, Boston University, September 15-19, 2011
・PANT - Beijing, August 22-August 26, 2011
・2010 PANT - Kyoto　(September 13-17, RIMS, Kyoto)
・Iwasawa 2010 (July 2010, Fields Institute, Toronto)
・2009 PANT - Pohang
・Iwasawa 2008 (July 2008, Kloster Irsee, Germany)
・UK-Japan Winter School on Number Theory (University of Cambridge, January 7-10, 2007)
・Congres Iwasawa 2006 (July 2006, Limoges, France)
・Recent Developments and Open Questions in Iwasawa theory - in honor of Ralph Greenberg's 60th birthday
(June 13-17, 2005, Boston Univ., USA)
・Congres Iwasawa 2004 (Besancon, France)
・Algebraic Number Theory and Related Topics at RIMS (December 6 -10, 2004)
・Algebraic Number Theory and Related Topics at RIMS (December 1 - 5, 2003)
・Algebraic Number Theory and Related Topics at RIMS (December 2 - 6, 2002)
・Mini-Conference on Iwasawa theory (May 11 and 12, 2001)

News

Seminar

・Iwasawa theory seminar

・Algebra seminar


Seminar talks by myself (2011)
・May 14, 2011: Galois action on ideal class groups - some differences between the case of cyclic
　　extensions and other cases-, Iwasawa theory seminar
・August 25, 2011: Euler systems of Gauss sum type and the structure of Selmer modules,
　　PANT-Beijing
・October 27, 2011: Refined Iwasawa theory and the structure of Selmer groups,
　　Algebra seminar at Tohoku University
・November 10, 2011: On a formula by Ferrero-Greenberg, D seminar at Keio Univ.

Some Recent Papers

1. Refined Iwasawa theory and Kolyvagin systems of Gauss sum type
(to appear in Proceedings of the London Mathematical Society) (pdf file)

2. On stronger versions of Brumer's conjecture (to appear in Tokyo Journal of Mathematics) (pdf file)

3. Stickelberger ideals and Fitting ideals of class groups for abelian number fields (with Takashi Miura),
Mathematische Annalen 350 (2011), 549-575 (pdf file)

4. Stickelberger elements, Fitting ideals of class groups of CM fields, and dualisation
(with Cornelius Greither), Mathematische Zeitschrift 260 (2008), 905-930 (dvi file, pdf file)

5. Two p-adic L-functions and rational points on elliptic curves with supersingular reduction,
(with Robert Pollack), LMS Lecture Note Series 320 (2007) 300-332 (pdf file)

6. On the growth of Selmer groups of an elliptic curve with supersingular reduction
in the Z_{2}-extension of Q} (with Rei Otsuki) (dvi file)

7. Remarks on the lambda_{p}-invariants of cyclic fields of degree p,
Acta Arithmetica 116-3 (2005) 199-216 (dvi file)

8. On the structure of ideal class groups of CM fields, Documenta Mathematica
Extra Volume Kato (2003), 539-563 (pdf file)

9. Iwasawa theory and Fitting ideals, J. reine angew. Math. 561 (2003), 39-86 (dvi file)

10. On the Tate Shafarevich groups over cyclotomic fields of an elliptic curve
with supersingular reduction I , Invent math 149 (2002), 195-224.

Japanese items

・Japanese pages