A Double Hall Algebra Approach to Affine Quantum Schur--Weyl Theory

Details A Double Hall Algebra Approach to Affine Quantum Schur--Weyl Theory A Double Hall Algebra Approach to Affine Quantum Schur--Weyl Theory

2010-10-22

arxiv.org/abs/1010.4619v1

Mathematics

Quantum Algebra

166 pages

Scientific paper

We investigate the structure of the double Ringel-Hall algebras associated with cyclic quivers and its connections with quantum loop algebras of $\mathfrak{gl}_n$, affine quantum Schur algebras and affine Hecke algebras. This includes their Drinfeld-Jimbo type presentation, affine quantum Schur-Weyl reciprocity, representations of affine quantum Schur algebras, and connections with various existing works by Lusztig, Varagnolo-Vasserot, Schiffmann, Hubery, Chari-Pressley, Frenkel-Mukhin, etc. We will also discuss conjectures on a realization of Beilinson-Lusztig-MacPherson type and Lusztig type integral forms for double Ringel-Hall algebras.

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