Gelfand-Fuchs cohomology of invariant formal vector fields
Abstract
Description
Let $Γ$ be a finite group acting linearly on a vector space $V$. We compute the Lie algebra cohomology of the Lie algebra of $Γ$-invariant formal vector fields on $V$. We use this computation to define characteristic classes for foliations on orbifolds.
20 pages
20 pages