- Saturday Seminar (Sep.,2009 - Dec.,2009)
- Sep. 19, 2009

TERAI, Nobuhiro (Ashikaga Inst. Teck.)

Title: Integer points and the rank of the elliptic curve y^2=x^3-nx

- Oct. 3, 2009

WADA, Hideo

Title: Primality testing via complex multiplication

- Oct. 17, 2009

OHTANI, Sachiko (National Defense Academy)

Title: On infinite class field towers

- Nov. 7, 2009

ITOH, Tsuyoshi (Chiba Institute of Technology)

Title: On tamely ramified pro-p abelian extensions over the basic Z_p-extension of Q (joint work with Y. Mizusawa and M. Ozaki)

- Nov. 21, 2009

KONOMI, Yutaka (Gakushuin University)

Title: The ideal class groups of dihedral extensions over imaginary quadratic fields and the special values of the Artin L-functions

- Dec. 5, 2009

MIZUSAWA, Yasushi (Nagoya Institute of Technology)

Title: On unramified Galois 2-groups over Z_2-extensions of real quadratic fields

- Dec. 19, 2009

NAKANO, Shin (Gakushuin University)

Title: Remarks on the infiniteness of quintic cyclic fields with even class number

- Sep. 19, 2009

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