The homology of surface diffeomorphism groups and a question of Morita-Reference-Cited by-同舟云学术

The homology of surface diffeomorphism groups and a question of Morita

Published:2011-11-04 Issue:7 Volume:140 Page:2543-2549
ISSN:0002-9939
Container-title:Proceedings of the American Mathematical Society
language:en
Short-container-title:Proc. Amer. Math. Soc.

Author:

Bowden Jonathan

Abstract

We answer a question posed by Morita concerning the non-trivial- ity of certain secondary characteristic classes for surface bundles. In doing so we are naturally led to show that a form of Harer stability holds for surface diffeomorphism groups in homology of small degree.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Link

http://www.ams.org/proc/2012-140-07/S0002-9939-2011-11259-0/S0002-9939-2011-11259-0.pdf

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