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We build extensions of the arc rings, relate their centers to the cohomology rings of the Springer varieties, and categorify all level two representations of quantum sl(N).

Quantum Algebra · Mathematics 2007-05-23 Yanfeng Chen

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

A simpler definition for a class of two-parameter quantum groups associated to semisimple Lie algebras is given in terms of Euler form. Their positive parts turn out to be 2-cocycle deformations of each other under some conditions. An…

Quantum Algebra · Mathematics 2014-10-06 Naihong Hu , Yufeng Pei

This is Part II in our multi-part series of papers developing the theory of a subclass of locally compact quantum groupoids ("quantum groupoids of separable type"), based on the purely algebraic notion of weak multiplier Hopf algebras. The…

Operator Algebras · Mathematics 2019-08-21 Byung-Jay Kahng , Alfons Van Daele

We describe a nonstandard version of the quantum plane, the one in the basis of divided powers at an even root of unity $q=e^{i\pi/p}$. It can be regarded as an extension of the "nearly commutative" algebra $C[X,Y]$ with $X Y =(-1)^p Y X$…

Quantum Algebra · Mathematics 2015-05-13 AM Semikhatov

We categorify one-half of the quantum group associated to an arbitrary Cartan datum.

Quantum Algebra · Mathematics 2011-03-01 Mikhail Khovanov , Aaron D. Lauda

In \cite{DFW} and \cite{Fu07}, little $q$-Schur algebras were introduced as homomorphic images of the infinitesimal quantum groups. In this paper, we will investigate representations of these algebras. We will classify simple modules for…

Representation Theory · Mathematics 2011-06-24 Jie Du , Qiang Fu , Jian-pan Wang

For a root of unity $\zeta$ of odd prime order, we restrict coefficients of non-semisimple quantum representations of mapping class groups associated with the small quantum group $\mathfrak{u}_\zeta \mathfrak{sl}_2$ from $\mathbb{Q}(\zeta)$…

Geometric Topology · Mathematics 2024-07-31 Marco De Renzi , Jules Martel

We categorify a quantized Heisenberg algebra associated to a finite subgroup of SL(2,C).

Quantum Algebra · Mathematics 2015-01-05 David Hill , Joshua Sussan

We categorify Lusztig's version of the quantized enveloping algebra for sl(2). Using a graphical calculus a 2-category is constructed whose split Grothendieck ring is isomorphic to Lusztig's algebra. The indecomposable morphisms of this…

Quantum Algebra · Mathematics 2010-10-22 Aaron D. Lauda

The purpose of this paper is to study categorifications of tensor products of finite dimensional modules for the quantum group for sl(2). The main categorification is obtained using certain Harish-Chandra bimodules for the complex Lie…

Quantum Algebra · Mathematics 2007-06-13 Igor Frenkel , Mikhail Khovanov , Catharina Stroppel

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 consider a class of homogeneous manifolds including all semisimple coadjoint orbits. We describe manifolds of that class admitting deformation q uantizations equivariant under the action of $G$ and the corresponding quantum group. We…

Quantum Algebra · Mathematics 2009-11-07 Joseph Donin , Vadim Ostapenko

We give a construction of sl_2-categorifications (in the sense of Chuang-Rouquier) for representations of U_q(gl_n), for generic q and for q a root of unity.

Representation Theory · Mathematics 2011-01-18 Rahbar Virk

Let p an integer. We define a family of idempotents (and nilpotents) in the Temperley - Lieb algebras at 4p-th roots of unity which generalize the usual Jones-Wenzl idempotents. These new idempotents correspond to finite dimentional simple…

Quantum Algebra · Mathematics 2016-04-14 Elsa Ibanez

Let $\lambda$ be a primitive root of unity of order $\ell$. We introduce a family of finite-dimensional algebras $\{\mathcal{D}_{\lambda,N}(\mathfrak{sl}_2)\}_{N\in\mathbb{N}_0}$ over the complex numbers, such that…

Rings and Algebras · Mathematics 2017-05-29 Iván Angiono

In this paper we construct all the primitive idempotents of the restricted quantum group $\overline{U}_q (sl_2)$ and also determine the multiplication rules among a basis given by the action of generators of $\bar{U}_q (sl_2)$ to the…

Quantum Algebra · Mathematics 2008-07-02 Yusuke Arike

In this paper we attempt to consider quantum superpositions from the perspective of the logos categorical approach presented in [26]. We will argue that our approach allows us not only to better visualize the structural features of quantum…

Quantum Physics · Physics 2018-02-02 Christian de Ronde , César Massri

Let g be a complex, semisimple Lie algebra. Drinfeld showed that the quantum group associated to g is isomorphic as an algebra to the trivial deformation of the universal enveloping algebra of g. In this paper we construct explicitly such…

Representation Theory · Mathematics 2026-04-17 Andrea Appel , Sachin Gautam

We consider the variety of nilpotent elements in the dual of the Lie algebra of a reductive algebraic group over an algebraically closed field. We propose a definition of a partition of this variety into smooth locally closed smooth…

Representation Theory · Mathematics 2009-09-15 G. Lusztig