Torelli group action on the configuration space of a surface
Algebraic Geometry
2020-09-01 v2
Abstract
We show that the Torelli group of a closed surface of genus acts nontrivially on the rational cohomology of its space of -element subsets.
Cite
@article{arxiv.2008.10556,
title = {Torelli group action on the configuration space of a surface},
author = {Eduard Looijenga},
journal= {arXiv preprint arXiv:2008.10556},
year = {2020}
}
Comments
Stricter separation of topology and mixed Hodge theory, references added, and Prop. (2.2) corrected