Authors: Mackaay, Marco
Stošić, Marko 
Vaz, Pedro
Title: A diagrammatic categorification of the q-schur algebra
Journal: Quantum Topology
Volume: 4
Issue: 1
First page: 1
Last page: 75
Issue Date: 1-Jan-2015
ISSN: 1663-487X
DOI: 10.4171/QT/34
In this paper we categorify the q-Schur algebra Sq(n, d) as a quotient of Khovanov and Lauda’s diagrammatic 2-category U(sln) [16]. We also show that our 2-category contains Soergel’s [33]monoidal category of bimodules of type A, which categorifies the Hecke algebra Hq(d), as a full sub-2-category if d ≤ n. For the latter result we use Elias and Khovanov’s diagrammatic presentation of Soergel’s monoidal category of type A; see [8].
Keywords: Categorification | Q-Schur algebra | Quantum gl<inf>n</inf> | Quantum groups | Soergel category
Publisher: European Mathematical Society
Project: FCT – Fundação para a Ciência e Tecnologia, project no. PTDC/MAT/101503/2008, New Geometry and Topology
FTC - Fundação para a Ciência e Tecnologia, post-doctoral fellowship SFRH/BPD/46299/ 2008
Geometry, Education and Visualization With Applications 

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