Rational Blowdowns of Smooth 4-Manifolds
arXiv:alg-geom/9505018
Abstract
In this paper we introduce a surgical procedure, called a rational blowdown, for a smooth 4-manifold X and determine how this procedure affects both the Donaldson and Seiberg-Witten invariants of X.
34 pages with 14 figures (author-supplied), AMSLaTeX