Surgery, quantum cohomology and birational geometry
Abstract
Description
This is an expository article about the recent results on the relation between the naturality problem of quantum cohomology and birational geometry. We give a short survey on Li-Ruan's results. Some conjecture-proposals are discussed.
A minor revision. A better description of log stable map and correction of typo
A minor revision. A better description of log stable map and correction of typo