Divided differences and the Weyl character formula in equivariant K-theory

Megumi Harada, Gregory D. Landweber, Reyer Sjamaar

Let $X$ be a topological space and $G$ a compact connected Lie group acting on $X$. Atiyah proved that the $G$-equivariant K-group of $X$ is a direct summand of the $T$-equivariant…