Displaceability and the mean Euler characteristic

Details Displaceability and the mean Euler characteristic Displaceability and the mean Euler characteristic

2011-09-06

arxiv.org/abs/1109.1129v1

Mathematics

Symplectic Geometry

13 pages, no figures

Scientific paper

In this note we show that the mean Euler characteristic of equivariant
symplectic homology is an effective obstruction against the existence of
displaceable exact contact embeddings. As an application we show that certain
Brieskorn manifolds do not admit displaceable exact contact embeddings.

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