Note on restriction maps of Chow rings to Weyl group invariants
Algebraic Topology
2016-05-10 v1
Abstract
Let G be an algebraic group corresponding to a compact Lie group. We study the restiction map from the Chow ring CH(BG) to the Wely group invariants CH(BT)^W. For example, we note that if G is simply connect and H(G) has torsion, then the restriction map is always not surjective.
Cite
@article{arxiv.1605.02682,
title = {Note on restriction maps of Chow rings to Weyl group invariants},
author = {Nobuaki Yagita},
journal= {arXiv preprint arXiv:1605.02682},
year = {2016}
}
Comments
16 pages, no figure