From flops to diffeomorphism groups
Differential Geometry
2022-06-29 v2 Algebraic Geometry
Abstract
We exhibit many examples of closed complex surfaces whose diffeomorphism groups are not simply-connected and contain loops that are not homotopic to loops of symplectomorphisms.
Cite
@article{arxiv.2002.01233,
title = {From flops to diffeomorphism groups},
author = {Gleb Smirnov},
journal= {arXiv preprint arXiv:2002.01233},
year = {2022}
}
Comments
major revision; accepted version