The Dehn twist on a sum of two K3 surfaces
Name
2001.08771.pdf
Description
Submitted version
Size
168.46 KB
Format
Adobe PDF
Checksum (MD5)
ad337c02cc9dba36823a89ac4f7fe34b
Author(s)
Kronheimer, PB
Mrowka, TS
Date Issued
2020
Journal
Mathematical Research Letters
Publisher
International Press of Boston
Version
Original manuscript
Abstract
Ruberman gave the first examples of self-diffeomorphisms of fourmanifolds that are isotopic to the identity in the topological category but not smoothly so. We give another example of this phenomenon, using the Dehn twist along a 3-sphere in the connected sum of two K3 surfaces.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
Terms of Use
Creative Commons Attribution-Noncommercial-Share Alike
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.4310/MRL.2020.V27.N6.A8
