Speaker |
Yoshihisa Saito(The University of Tokyo) |
Title |
量子座標環の表現論 |
Date |
January 15 (Wed.) 2014, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
Teruaki Kitano(Soka University) |
Title |
結び目群の表現の変形の障害としてのAlexander多項式 |
Date |
December 4 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
William Kantor(University of Oregon) |
Title |
Short presentations of finite simple groups |
Date |
November 28 (Thu.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Group presentations somewhat started with Hamilton. I'll review 19th century history before getting to a recent result: almost all finite simple groups have presentations requiring surprisingly few relations (with Guralnick, Kassabov and Lubotzky). For example, all alternating (and symmetric) groups have presentations using only 3 generators and 7 relations. The proofs are relatively elementary but too long for more than a few small hints.
|
Speaker |
Hirotaka Akiyoshi(Osaka City University) |
Title |
3次元錐双曲構造の具体的構成 |
Date |
November 27 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
Hiroyuki Minamoto(Osaka Prefecture University) |
Title |
導来二重双対のホモトピー極限による記述 |
Date |
October 30 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
Michio Yoshiwaki (Osaka City University Advanced Mathematical Institute) |
Title |
三角圏の次元と多元環の表現論 |
Date |
October 30 (Wed.) 2013, 15:00〜16:00 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
Seiichi Kamada(Osaka City University) |
Title |
カンドル代数と結び目理論 |
Date |
July 17 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
Speaker |
Zhu Jian-Feng(Huaqiao University) |
Title |
Some criteria for quasiconformality and Landau-Bloch
constants of harmonic mappings in the unit disk |
Date |
June 19 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Speaker |
Hiroaki Aikawa(Hokkaido University) |
Title |
Intrinsic ultracontractivity and the boundary Harnack principle
--- A unified approach with capacitary width
|
Date |
June 12 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
We study intrinsic ultracontractivity for the semigroup
associated with Dirichlet heat kernel. We give a sharp
sufficient condition for intrinsic ultracontractivity, valid
for arbitrary domains, in terms of capacitary width of
sublevel sets of the Green function and the ground state.
This condition, together with the Harnack inequality, yields
sufficient conditions for intrinsic ultracontractivity of
nonsmooth domains. Our approach employs a parabolic box
argument, a counterpart of the box argument for the boundary
Harnack principle. It enables us to treat intrinsic
ultracontractivity and the boundary Harnack principle in
parallel.
|
Speaker |
Masato Okado(Osaka City University) |
Title |
箱玉系とKKR写像 |
Date |
May 8 (Wed.) 2013, 16:30〜17:30 |
Place |
Dept. of Mathematics, General Research Bldg., 301 |
Abstract |
Japanese version only
|
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