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Toric degenerations of Schubert varieties
Philippe Caldero
Let be a simply connected semi-simple complex algebraic group. Fix a maximal torus and a Borel subgroup such that . Let the Weyl group of r…
math.RT2000
On harmonic elements for semi-simple Lie algebra
Philippe Caldero
Let ${\goth g}$ be a semi-simple complex Lie algebra, ${\goth g}={\goth n^-}\oplus{\goth h}\oplus{\goth n}$ its triangular decomposition. Let $U({\goth g})$, resp. $U_q({\goth g})$…