Categorification of quantum Kac-Moody superalgebras

Details Categorification of quantum Kac-Moody superalgebras Categorification of quantum Kac-Moody superalgebras

2012-02-13

arxiv.org/abs/1202.2769v1

Mathematics

Quantum Algebra

Scientific paper

We introduce a non-degenerate bilinear form and use it to provide a new characterization of quantum Kac-Moody superalgebras with no isotropic odd simple roots. We show that the spin quiver Hecke algebras introduced by Kang-Kashiwara-Tsuchioka provide a categorification of half the quantum Kac-Moody superalgebras, using the recent work of Ellis-Khovanov-Lauda. A new idea here is that a super sign is categorified as spin (i.e., the parity-shift functor).

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