H. Andersen

collaborators

2 papers

math.RT2009

Rigidity of tilting modules

Henning Haahr Andersen, Masaharu Kaneda

Let $U_{q}$ denote the quantum group associated with a finite dimensional semisimple Lie algebra. Assume that $q$ is a complex root of unity of odd order and that $U_{q}$ is %the quant…

math.RT2006

Sum formulas for reductive algebraic groups

Henning Haahr Andersen, Upendra Kulkarni

Let $V$ be a Weyl module either for a reductive algebraic group $G$ or for the corresponding quantum group $U_{q}$ . If $G$ is defined over a field of positive characteristic $p$ , res…