Showing math.RTShow all
2 papers · 1 filter
math.RT2006
Andersen-Filtrierung und harter Lefschetz
Wolfgang Soergel
We consider the principal block of category O and its graded version. On the space of homomorphisms from a Verma module to an indecomposable tilting module we may define natural fi…
math.RT2004
Kazhdan-Lusztig-Polynome und unzerlegbare Bimoduln "uber Polynomringen
Wolfgang Soergel
We explain a strategy for a proof of the positivity of all coefficients of Kazhdan-Lusztig-polynomials for arbitrary Coxeter groups by constructing spaces whose dimensions we conje…