Scalar Curvature and Connected Sums Of Self-Dual 4-Manifolds
Differential Geometry
2011-08-17 v2 Algebraic Geometry
Abstract
Under a vanishing hypothesis, Donaldson and Friedman proved that the connected sum of two self-dual Riemannian 4-Manifolds is again self-dual. Here we prove that the same result can be extended over to the positive scalar curvature case.
Cite
@article{arxiv.math/0611769,
title = {Scalar Curvature and Connected Sums Of Self-Dual 4-Manifolds},
author = {Mustafa Kalafat},
journal= {arXiv preprint arXiv:math/0611769},
year = {2011}
}