Representing homology classes of CP² #CP²

Feng Luo

Vol. 133 (1988), No. 1, 137–140

DOI: 10.2140/pjm.1988.133.137

Abstract

In this paper we determine the set of all second homology classes in CP² #CP² which can be represented by smoothly embedded two-spheres in CP² #CP².

Mathematical Subject Classification 2000

Primary: 57R95

Secondary: 57N13

Milestones

Received: 14 February 1986

Revised: 5 August 1987

Published: 1 May 1988