Graded decomposition matrices of v-Schur algebras via Jantzen filtration

Abstract

We prove that certain parabolic Kazhdan-Lusztig polynomials calculate the graded decomposition matrices of v-Schur algebras given by the Jantzen filtration of Weyl modules, confirming a conjecture of Leclerc and Thibon.

53 pages

References in corpus (1)

• Universal Verma modules and the Misra-Miwa Fock space

Cited by in corpus (1)

• Universal Verma modules and the Misra-Miwa Fock space