On Stein rational balls smoothly but not symplectically embedded in CP^2
arXiv:2010.01613
Abstract
We extend recent work of Brendan Owens by constructing a doubly infinite family of Stein rational homology balls which can be smoothly but not symplectically embedded in CP^2.
9 pages, 2 figures, small changes. To appear in the Bulletin of the London Mathematical Society