Open manifolds, Ozsvath-Szabo invariants and Exotic R^4's
Geometric Topology
2009-07-17 v2
Abstract
We construct an invariant of open four-manifolds using the Heegaard Floer theory of Ozsvath and Szabo. We show that there is a manifold X homeomorphic to R^4 for which the invariant is non-trivial, showing that X is an exotic R^4.
Cite
@article{arxiv.math/0408379,
title = {Open manifolds, Ozsvath-Szabo invariants and Exotic R^4's},
author = {Siddhartha Gadgil},
journal= {arXiv preprint arXiv:math/0408379},
year = {2009}
}
Comments
9 pages, major revisions; to appear in Expositiones Mathematicae