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    Combinatorics for Graded Cartan Matrices of the Iwahori-Hecke Algebra of Type A

    Combinatorics concerning graded Cartan matrices for the Iwahori-Hecke algebra of type A is investigated. We give several descriptions for the determinant of the graded Cartan matrix, which imply some combinatoria...

    Masanori Ando, Takeshi Suzuki, Hiro-Fumi Yamada in Annals of Combinatorics (2013)