Mathematics – Algebraic Topology
Scientific paper
2005-03-05
Proc. Amer. Math. Soc. 133 (2005), 3721-3733.
Mathematics
Algebraic Topology
11 pages
Scientific paper
Suppose that $(\Phi, M^n)$ is a smooth $({\Bbb Z}_2)^k$-action on a closed smooth $n$-dimensional manifold such that all Stiefel-Whitney classes of the tangent bundle to each connected component of the fixed point set $F$ vanish in positive dimension. This paper shows that if $\dim M^n>2^k\dim F$ and each $p$-dimensional part $F^p$ possesses the linear independence property, then $(\Phi, M^n)$ bounds equivariantly, and in particular, $2^k\dim F$ is the best possible upper bound of $\dim M^n$ if $(\Phi, M^n)$ is nonbounding.
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