Date�F March 12 (Mon)�` 14 (Wed)

Place�F Waseda University, Ohkubo campus, bldg.55-S, 3-rd conference room

Access�F
Maps of Waseda Univ.

March 12 (Mon)

**10:00--10:50 Hiromichi Yanai ( Aichi Institute of Technology. )**

On Lenstra's cycle

**11:10--12:00 Yukihiro Uchida ( Nagoya Univ. )**

Canonical local height of Jacobian varieties of genus 2 curves and multiplication formulas

**13:45--14:35 Fumio Sairaiji ( Hiroshima International Univ. )**

Formal groups of Jacobian varieties of hyper elliptic curves

**14:55--15:45 Kaori Ohta and Masanobu Kaneko ( Kyushu Univ. )**

Formulas of Fourier coefficients of some modular functions of genus 0

**16:00--16:50 Seidai Yasuda ( RIMS )**

Rationality of Hecke L-values

March 13 (Tue)

**10:00--10:50 Yoshinori Hamahata ( Tokyo Univ. of Science )**

Representations of finite groups in the space of mixed cusp forms

**11:10--12:00 Akihiko Okamoto ( Waseda Univ. )**

Galois representations and presentations of cusp forms of weight 1 via theta series

**13:45--14:35 Shin Nakano ( Gakushuin Univ. )**

Quintic cyclic fields of even class number parametlized by the rational points of an elliptic curve

**14:55--15:45 Hironori Shiga ( Chiba Univ. )**

An arithmetic-geometric mean of two variables and modular forms over hyper--spheres
( joint with Kenji Koike )

**16:00--16:50 Liang-Chung Hsia ( National Central Univ. )**

A quotient of elliptic curves - weak Neron models for lattes maps

March 14 (Wed)

**10:00--10:50 Kazuma Morita ( Kyoto Univ. )**

On p-adic Hodge theory in the imperfect residue field case

**11:10--12:00 Hiroyuki Hori ( Waseda Univ. )**

A divisibility condition of class numbers by 3 of quadratic fields

**13:45--14:35 Hiroki Sumida ( Tokushima Univ. )**

Around zeta values of quadratic fields and ideal class groups of cyclotomic fields

**14:55--15:45 Tomokazu Kashio ( Osaka City Univ. )**

A p-adic analogue of Shintani's formula and its application

**16:00--16:50 Hajime Nakazato ( Tokyo National College of Technology )**

Vanishing cohomology theorems of SL_2 and the weak Leopoldt Conjecture for elliptic curves

Organizers�FKi-ichiro Hashimoto and Kei-ichi Komatsu (Waseda Univ.)

Top page