No.896

1993/11/17〜1993/11/19

吉田 知行

Tomoyuki Yoshida

目　次

1. TRANSFERS AND THE STRUCTURE OF COHOMOLOGY RINGS-----------------------------------------------------------------------------------1

　　　　Department of Mathematics, University of Georgia　　　CARLSON, JON F.

　

2. Sharp characters and their generalizations----------------------------------------------------------------------------------------8

　　　　Department of General Education, Tokyo Medical and Dental University　　　KIYOTA, Masao

　

3. Perfect Isometries for Blocks with Abelian Defect Groups and the Inertial Quotients Isomorphic to D$_6$ , Z$_4 \times$ Z$_2$ or Z$_3 \times$ Z$_3$---13

　　　　Ochanomizu University　　　宇佐美 陽子　(Usami, Yoko)

　

4. Trivial source modules-----------------------------------------------------------------------------------------------------------26

　　　　大阪市立大学理学部　　　津島 行男　(Tsushima, Yukio)

　

5. Geometric Combinatorics----------------------------------------------------------------------------------------------------------32

　　　　California Institute of Technology　　　ASCHBACHER, MICHAEL

　

6. Algebraic Coding Theory : Recent Developments Related to the Integers Mod 4------------------------------------------------------38

　　　　Mathematical Sciences Research Center, AT&T Bell Laboratories　　　Sloane, N.J.A.

　

7. REPRESENTATIONS OF MAPPING CLASS GROUPS OBTAINED FROM THE MODULAR INVARIANCE PROPERTY OF CYCLIC GROUP ASSOCIATION SCHEMES--------53

　　　　Department of Mathematics, Faculty of Science, Kyushu University　　　BANNAI, ETSUKO

　

8. Spectrum and connectivity of graphs----------------------------------------------------------------------------------------------58

　　　　　　　Brouwer, A.E.

　

9. いろいろな代数系のバーンサイド環とその応用(代数的組合せ論の研究)-----------------------------------------------------------------63

　　　　熊本大学理学部数学科 / 熊本大学理学部数学科　　　小田 文仁 / 吉田 知行