AKITA Toshiyuki Professor

Geometry

Organization: Department of Mathematics

Research Interest: Topology / Group cohomology

Keywords: characteristic classes, Chow ring, classifying spaces, discrete groups

Research Activities

I’m working on group cohomology, the subject arose from both topological and algebraic sources. My main subject is the cohomology of Coxeter groups and mapping class groups of closed oriented surfaces.

Papers:

T. Akita and N. Kawazumi,
Integral Riemann-Roch formulae for cyclic subgroups of mapping class groups,
Mathematical Proceedings of the Cambridge Philosophical Society 144
(2008), 411-421.T. Akita,
A formula for the Euler characteristics of even dimensional
triangulated manifolds,
Proceedings of the American Mathematical Society 136 (2008), 2571-2573.T. Akita,
Periodicity for Mumford-Morita-Miller classes of surface symmetries,
Publications of the Research Institute for Mathematical Sciences 47
(2011), 897-909.

WebPage

https://www.math.sci.hokudai.ac.jp/~akita/

contact

akita（at）math.sci.hokudai.ac.jp