AC2007 Program

Dec. 5 (Wed.)

9:30-9:50

Opening

9:30-9:50

Katsushi Waki(Yamagata University)
"On calculation of Decomposition numbers by GAP"

10:10-10:50

Hiromichi Yamada(Hitotsubashi University)
"Computation of affine vertex operator algebras by Asir"

11:10-11:40

Takuya Ikuta(Kobe Gakuin University), Akihiro Munemasa(Tohoku University)
"A new non-amorphous association sceheme on $\text{GF}(2^{20})$"

11:50-12:10

Naoyuki Horiguchi(Chiba University)
"On the maximum clique and coclique designs and reconstructions of some strongly regular graphs"

14:00-14:50

[Special lecture] Fidel Nemenzo(Univ. Philippines)
"Counting self-dual codes over finite rings"

15:10-15:40

Michio Ozeki(Yamagata University)
"Computation of the coset weight distributions of second order Reed-Muller code of length 64 (A joint research with Prof. K. Waki )"

15:50-16:20

Akihiro Munemasa(Tohoku University)
"Classification of ternary extremal self-dual codes of length 28 (joint work with Masaaki Harada and Boris Venkov)"

16:30-17:00

Yasutsugu Fujita(Tohoku Gakuin University)
"Any Diophantine quintuple contains a regular Diophantine quadruple"

Dec. 6 (Thu.)

10:00-10:20

Koji Yamaguchi, Naoto Niki(Tokyo University of Science)
"Base transformation algorithm of the symmetric polynomials for use in statistics"

10:30-11:00

HASHIMOTO Ry\=uta(Takuma national institute of technology)
"Examples of discriminants of quadratic orders with large fundamental units attached to a fixed length of the period of continued fractions"

11:20-12:10

[Special lecture] Yuichi Komano(Toshiba Corporation, Japan)
"Public Key Cryptosystems and Provable Security"

14:00-14:40

Akinari Hoshi(Waseda University)
"Note on the field isomorphism problem of generic polynomials (joint work with K. Miyake)"

14:50-15:10

Tanaka Satoru, Nishimoto Keiichiro, MATSUI Tetsushi, Uchiyama Shigenori, NAKAMULA Ken(Tokyo Metropolitan University)
"Status and issues on development NZMATH"

15:20-15:50

ICHIKI Shingo, OGURA Naoki, KOIZUMI Masahiro, NISHIMOTO Keiichiro, TANAKA Satoru, MATSUI Tetsushi, UCHIYAMA Shigenori, NAKAMULA Ken(Tokyo Metropolitan Univ.)
"A Brief Introduction to NZMATH"

16:10-17:00

[Special lecture] Tatsuyoshi Hamada(Fukuoka University)
"Forests of mathematical software, KNOPPIX/Math"

Dec. 7 (Fri.)

10:20-10:40

Ryozo MORIKAWA(Tokyo Metropolitan Univ.)
"Some concepts and methods to investigate problems of Waring type."

10:50-11:10

Takao Komatsu(Hirosaki University), Carsten Elsner(FHDW Hannover)
"Three term recurrence relations associated with integer sequences"

11:20-11:40

Masanobu Kaneko(Kyushu University), Masayuki Noro(Kobe University), Ken'ichi Tsurumaki(Oracle Corporation Japan)
"On a conjecture for the dimension of the space of the multiple zeta values"

13:30-14:20

[Special lecture] Andrej Dujella(Univ. Zagreb, CROATIA)
"Construction of high rank elliptic curves and related Diophantine problems"

14:40-15:10

MATSUI, Tetsushi(Tokyo Metropolitan University)
"Computational Complexity and Transcendence of Numbers"

15:20-15:50

Iekata Shiokawa, Yohei Tachiya(Keio University)
"Pattern sequences in <q,r>-numaration sysytems"

16:00-16:30

Keiichi Komatsu(Waseda Univ.), Takashi Fukuda(Nihon Univ.)
"A computational approach to Weber's class number problem"

16:30-16:40

Closing

Link:

• AC2007 Toppage
• AC Toppage