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An upper bound on the exceptional characteristics for Lusztig's character formula by Fiebig, Peter is a scholarly article available to read on EtoBox.

What is An upper bound on the exceptional characteristics for Lusztig's character formula about?

We develop and study a Lefschetz theory in a combinatorial category associated to a root system and derive an upper bound on the exceptional characteristics for Lusztig's formula for the simple rational characters of a reductive algebraic group. Our bound is huge compared to the Coxeter number. It is, however, given by an explicit formula.

Author

Fiebig, Peter

Published

2008

Language

EN