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We classify semisimple module categories over the tensor category of representations of quantum SL(2) extending previous results to the roots of unity and positive characteristic cases.

Quantum Algebra · Mathematics 2007-05-23 Victor Ostrik

We study tensor products of two-dimensional evaluation $U_q\widehat{\mathfrak{sl}}_2$-modules at generic values of $q$, $U_q\widehat{\mathfrak{sl}}_2$ homomorphisms between them, and closely related subjects.

Quantum Algebra · Mathematics 2025-06-03 Andrei Grigorev , Evgeny Mukhin

In this paper some realization of $gl_q(n)$-covariant oscillators is obtained when $q$ is a root of unity. And the $gl_q(n)$-covariant q-Virasoro algebra is presented by using the $gl_q(n)$-covariant oscillators.

q-alg · Mathematics 2008-02-03 W-S. Chung

We categorify an idempotented form of quantum sl2 and some of its simple representations at a prime root of unity.

Quantum Algebra · Mathematics 2016-02-26 Ben Elias , You Qi

We study connections between additive and abelian 2-representations of fiat 2-categories, describe combinatorics of 2-categories in terms of multisemigroups and determine the annihilator of a cell 2-representation. We also describe, in…

Representation Theory · Mathematics 2017-05-10 Volodymyr Mazorchuk , Vanessa Miemietz

We classify rank one 2-representations of SL2, GL2 and SO3 web categories. The classification is inspired by similar results about quantum groups, given by reducing the problem to the classification of bilinear and trilinear forms, and is…

Representation Theory · Mathematics 2026-04-07 Daniel Tubbenhauer

We obtain a presentation of Schur algebras (and q-Schur algebras) by generators and relations which is compatible with the usual presentation of the enveloping algebra (quantized enveloping algebra) corresponding to the Lie algebra gl(n) of…

Representation Theory · Mathematics 2007-05-23 Stephen Doty , Anthony Giaquinto

We give the complete set of irreducible representations of U(SU(2))_q when q is a m-th root of unity. In particular we show that their dimensions are less or equal to m. Some of them are not highest weight representations.

Quantum Algebra · Mathematics 2007-05-23 Ph. Roche , D. Arnaudon

We construct 2-functors from a 2-category categorifying quantum sl(n) to 2-categories categorifying the irreducible representation of highest weight $ 2 \omega_k. $

Quantum Algebra · Mathematics 2009-10-21 David Hill , Joshua Sussan

The main result of this work is to present the complete list of Uq(sl2)-symmetries of quantum plane. For that, the structure of quantum plane automorphisms is used. Our idea in classifying the above symmetries is in introducing some special…

Quantum Algebra · Mathematics 2010-07-13 Steven Duplij , Sergey Sinel'shchikov

A finitization of the Catalan numbers $ C_n $ can be defined as Euler characteristics of an algebraic structure. We conjecture the existence of a $ q $-deformed version of such structure, and provide evidence for the first two non-trivial…

Combinatorics · Mathematics 2020-11-20 Keke Zhang

The tensor products of (restricted and unrestricted) finite dimensional irreducible representations of $\uq$ are considered for $q$ a root of unity. They are decomposed into direct sums of irreducible and/or indecomposable representations.

High Energy Physics - Theory · Physics 2009-10-22 Daniel Arnaudon

In this paper we construct separated variables for quantum integrable models related to the algebra $U_q(\hat{sl}_N)$. This generalizes the results by Sklyanin for $N=2,3$.

Mathematical Physics · Physics 2007-05-23 Feodor A. Smirnov

The classical $q$-analogue of the integers was recently generalized by Morier-Genoud and Ovsienko to give $q$-analogues of rational numbers. Some combinatorial interpretations are already known, namely as the rank generating functions for…

Combinatorics · Mathematics 2021-11-16 Nicholas Ovenhouse

In this letter some properties of the Gauss decomposition of quantum group $GL_q(n)$ with application to q-bosonization are considered.

High Energy Physics - Theory · Physics 2009-10-28 E. V. Damaskinsky , M. A. Sokolov

We categorify the Beilinson-Lusztig-MacPherson integral form of quantum sl(2) specialized at a prime root of unity.

Representation Theory · Mathematics 2016-07-04 Ben Elias , You Qi

We present a detailed study of the representations of the algebra of functions on the quantum group $ GL_q(n) $. A q-analouge of the root system is constructed for this algebra which is then used to determine explicit matrix representations…

High Energy Physics - Theory · Physics 2007-05-23 V. Karimipour

We define a generalized Springer correspondence for the group GL(n) over any field. We also determine the cuspidal pairs, and compute the correspondence explicitly. Finally we define a stratification of the category of equivariant perverse…

Representation Theory · Mathematics 2016-06-27 Pramod N. Achar , Anthony Henderson , Daniel Juteau , Simon Riche

This is a follow-up to the paper in which we categorified the affine quantum Schur algebra S(n,r) for 2 < r < n, using a quotient of Khovanov and Lauda's categorification of the affine quantum sl_n. In this paper we categorify S(n,n) for n…

Quantum Algebra · Mathematics 2016-01-20 Marco Mackaay , Anne-Laure Thiel

We categorify the R-matrix isomorphism between tensor products of minuscule representations of U_q(sl(n)) by constructing an equivalence between the derived categories of coherent sheaves on the corresponding convolution products in the…

Algebraic Geometry · Mathematics 2015-05-13 Sabin Cautis , Joel Kamnitzer , Anthony Licata