The motivic class of the classifying stack of the special orthogonal group
Algebraic Geometry
2017-07-07 v2
Abstract
We compute the class of the classifying stack of the special orthogonal group in the Grothendieck ring of stacks, and check that it is equal to the multiplicative inverse of the class of the group.
Cite
@article{arxiv.1609.07864,
title = {The motivic class of the classifying stack of the special orthogonal group},
author = {Mattia Talpo and Angelo Vistoli},
journal= {arXiv preprint arXiv:1609.07864},
year = {2017}
}
Comments
Final version, to appear in Bull. Lond. Math. Soc