Thompson's group is not SCY
Stefan Friedl
Universität Regensburg, GermanyStefano Vidussi
University of California, Riverside, United States
![Thompson's group $F$ is not SCY cover](/_next/image?url=https%3A%2F%2Fcontent.preview.ems.press%2Fassets%2Fpublic%2Fimages%2Fserial-issues%2Fcover-ggd-volume-9-issue-1.png&w=3840&q=90)
Abstract
In this note we prove that Thompson's group cannot be the fundamental group of a symplectic 4-manifold with canonical class by showing that its Hausmann–Weinberger invariant is strictly positive.
Cite this article
Stefan Friedl, Stefano Vidussi, Thompson's group is not SCY. Groups Geom. Dyn. 9 (2015), no. 1, pp. 325–329
DOI 10.4171/GGD/315