Finite dimensional Hecke algebras

  • Susumu Ariki

    Kyoto University, Japan
Finite dimensional Hecke algebras cover
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This article surveys developments on finite dimensional Hecke algebras in the last decade. In the first part, we explain results on canonical basic sets by Geck and Jacon and propose a categorification framework which is suitable for our example of Hecke algebras. In the second part, we review basics of Kashiwara’s crystal theory and explain the Fock space theory of cyclotomic Hecke algebras and its applications. In the third part, we explain Rouquier’s theory of quasihereditary covers of cyclotomic Hecke algebras. We add detailed explanation of the proofs here. The third part is based on my intensive course given at Nagoya University in January 2007.