Some homological invariants of mapping class group of a 3-dimensional handlebody

Details Some homological invariants of mapping class group of a 3-dimensional handlebody Some homological invariants of mapping class group of a 3-dimensional handlebody

2001-02-23

arxiv.org/abs/math/0102184v1

publised in Tohoku Math. J. 55(2003) Issue 4, 543--549

Mathematics

Geometric Topology

8 pages, 1 figure

Scientific paper

We show that, if g is more than or equal to 2, the virtual cohomological
dimension of the mapping class group of a 3-dimensional handlebody of genus g
is equal to 4g-5 and the Euler number of it is equal to 0.

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