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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

All simple weight modules with finite dimensional weight spaces over affine Lie algebras are classified.

Representation Theory · Mathematics 2009-10-06 Ivan Dimitrov , Dimitar Grantcharov

In this note I describe the structure of the biset functor $B^\times$ sending a $p$-group $P$ to the group of units of its Burnside ring $B(P)$. In particular, I show that $B^\times$ is a rational biset functor. It follows that if $P$ is a…

Group Theory · Mathematics 2007-05-23 Serge Bouc

We describe the structure of bimodules (over finite dimensional algebras) which have the property that the functor of tensoring with such a bimodule sends any module to a projective module. The main result is that all such bimodules are…

Representation Theory · Mathematics 2019-06-24 Volodymyr Mazorchuk , Vanessa Miemietz , Xiaoting Zhang

Bisets can be considered as categories. This note uses this point of view to give a simple proof of a Mackey-like formula expressing the tensor product of two induced bimodules.

Group Theory · Mathematics 2009-03-03 Serge Bouc

We propose a very general construction of simple Virasoro modules generalizing and including both highest weight and Whittaker modules. This reduces the problem of classification of simple Virasoro modules which are locally finite over a…

Representation Theory · Mathematics 2017-05-10 Volodymyr Mazorchuk , Kaiming Zhao

We construct certain tensor categories that are dominated by finitely many simple objects. Objects in these categories are modules over rings of algebra integers. We show how to obtain TQFTs defined over algebra integers from these…

Quantum Algebra · Mathematics 2007-05-23 Qi Chen

The tensor functor from the category of $A_\infty$-algebras into the category of differential modules with $\infty$-simplicial faces is constructed. Further, it is showed that this functor sends homotopy equivalent $A_\infty$-algebras into…

Algebraic Topology · Mathematics 2019-03-05 S. V. Lapin

In an attempt to get some information on the multiplicative structure of the Green ring we study algebraic modules for simple groups, and associated groups such as quasisimple and almost-simple groups. We prove that, for almost all groups…

Representation Theory · Mathematics 2011-02-18 David A Craven

In this paper, we classify simple smooth modules over the superconformal current algebra $\frak g$. More precisely, we first classify simple smooth modules over the Heisenberg-Clifford algebra, and then prove that any simple smooth $\frak…

Representation Theory · Mathematics 2023-05-30 Dong Liu , Yufeng Pei , Limeng Xia , Kaiming Zhao

In this paper, I give several characterizations of {\em rational biset functors over $p$-groups}, which are independent of the knowledge of genetic bases for $p$-groups. I also introduce a construction of new biset functors from known ones,…

Group Theory · Mathematics 2007-05-23 Serge Bouc

We describe rings over which every right module is almost injective. We give a description of rings over which every simple module is a almost projective.

Rings and Algebras · Mathematics 2020-09-16 A. N. Abyzov

In this article the simple modules over the rank-two quantized Weyl algebras at roots of unity over an algebraically closed field are classified.

Representation Theory · Mathematics 2023-10-09 Sanu Bera , Snehashis Mukherjee

We classify the module categories over the double (possibly twisted) of a finite group.

Quantum Algebra · Mathematics 2007-05-23 Victor Ostrik

We classify localising subcategories of the stable module category of a finite group that are closed under tensor product with simple (or, equivalently all) modules. One application is a proof of the telescope conjecture in this context.…

Representation Theory · Mathematics 2011-04-18 Dave Benson , Srikanth B. Iyengar , Henning Krause

We consider simple modules over the McConnell--Pettit algebras. We show that both induction and contraction yield simple modules for the extremes of the global dimension.

Rings and Algebras · Mathematics 2011-06-23 Ashish Gupta

The paper presented here focuses on the classification of trivial source Specht modules. We completely classify the trivial source Specht modules labelled by hook partitions. We also classify the trivial source Specht modules labelled by…

Representation Theory · Mathematics 2021-02-16 Yu Jiang

We generalize Bouc's construction of orthogonal idempotents in the double Burnside algebra to the setting of the double $\mathbb{C}^\times$-fibered Burnside algebra. This yields a structural decomposition of the evaluations of…

Representation Theory · Mathematics 2026-05-04 Olcay Coşkun , Ruslan Muslumov

We introduce analogues of Soergel bimodules for complex reflection groups of rank one. We give an explicit parametrization of the indecomposable objects of the resulting category and give a presentation of its split Grothendieck ring by…

Representation Theory · Mathematics 2018-12-07 Thomas Gobet , Anne-Laure Thiel

We prove that applying a projective functor to a holonomic simple module over a semi-simple finite dimensional complex Lie algebra produces a module that has an essential semi-simple submodule of finite length. This implies that holonomic…

Representation Theory · Mathematics 2024-01-29 Marco Mackaay , Volodymyr Mazorchuk , Vanessa Miemietz