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Related papers: Reflection functors on quiver Hecke algebras

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We construct reflection functors for quiver Hecke algebras associated with arbitrary symmetrizable Kac-Moody algebras, from a higher representation-theoretic viewpoint. These functors provide a categorification of Lusztig's braid group…

Representation Theory · Mathematics 2025-12-23 Haruto Murata

In this paper we establish affinizations and R-matrices in the language of pro-objects, and as an application, we construct reflection functors over the localizations of quiver Hecke algebras of arbitrary finite types. This reflection…

Representation Theory · Mathematics 2025-05-02 Masaki Kashiwara , Myungho Kim , Se-jin Oh , Euiyong Park

We extend the definition of the Saito reflection functor of the Khovanov- Lauda-Rouquier algebras to symmetric Kac-Moody algebra case and prove that it defines a monoidal functor.

Quantum Algebra · Mathematics 2018-09-05 Syu Kato

We construct reflection functors on categories of modules over deformed wreath products of the preprojective algebra of a quiver. These functors give equivalences of categories associated to generic parameters which are in the same orbit…

Representation Theory · Mathematics 2007-05-23 Wee Liang Gan

We investigate the extensions of the Hecke algebras of finite (complex) reflection groups by lattices of reflection subgroups that we introduced, for some of them, in our previous work on the Yokonuma-Hecke algebras and their connections…

Representation Theory · Mathematics 2017-02-07 Ivan Marin

Nakajima constructed geometric representations of a deformed Kac-Moody Lie algebra using Hecke correspondences between quiver varieties. In this paper, we show that Hecke correspondences, which are holomorphic Lagrangians in products of…

Symplectic Geometry · Mathematics 2026-01-21 Siu-Cheong Lau , Ju Tan

We begin the study of unitary representations of Hecke algebras of complex reflections groups. We obtain a complete classification for the Hecke algebra of the symmetric group $\mathfrak{S}_n$ over the complex numbers. Interestingly, the…

Representation Theory · Mathematics 2009-10-06 Emanuel Stoica

Reflexive functors of modules naturally appear in Algebraic Geometry. In this paper we define a wide and elementary family of reflexive functors of modules, closed by tensor products and homomorphisms, in which Algebraic Geometry can be…

Algebraic Geometry · Mathematics 2015-11-16 Pedro Sancho

We investigate deformations of skew group algebras arising from the action of the symmetric group on polynomial rings over fields of arbitrary characteristic. Over the real or complex numbers, Lusztig's graded affine Hecke algebra and…

Representation Theory · Mathematics 2022-05-12 Naomi Krawzik , Anne Shepler

Reflexive functors of modules naturally appear in Algebraic Geometry, mainly in the theory of linear representations of group schemes, and in "duality theories". In this paper we study and determine reflexive functors and we give many…

Commutative Algebra · Mathematics 2013-10-23 J. Navarro , C. Sancho , P. Sancho

The current article is a short survey on the theory of Hecke algebras, and in particular Kazhdan-Lusztig theory, and on the theory of symplectic reflection algebras, and in particular rational Cherednik algebras. The emphasis is on the…

Representation Theory · Mathematics 2014-01-21 Maria Chlouveraki

We construct analogs of the Gelfand-Zetlin algebras in the Reflection Equation algebras, corresponding to Hecke symmetries, mainly to those coming from the quantum groups U_q(sl(N)). Corresponding semiclassical (i.e. Poisson) counterparts…

Quantum Algebra · Mathematics 2025-07-24 Dimitry Gurevich , Pavel Saponov

To a finite quiver equipped with a positive integer on each of its vertices, we associate a holomorphic symplectic manifold having some parameters. This coincides with Nakajima's quiver variety with no stability parameter/framing if the…

Representation Theory · Mathematics 2010-10-27 Daisuke Yamakawa

This text provides an introduction and complements to some basic constructions and results in 2-representation theory of Kac-Moody algebras.

Representation Theory · Mathematics 2011-12-16 Raphael Rouquier

We introduce reflection functors on quiver schemes in the sense of Hausel--Wong--Wyss, generalizing those on quiver varieties. Also we construct some isomorphisms between quiver schemes whose underlying quivers are different.

Algebraic Geometry · Mathematics 2025-05-23 Ryo Terada , Daisuke Yamakawa

Kato has constructed reflection functors for KLR algebras which categorify the braid group action on a quantum group by algebra automorphisms. We prove that these reflection functors are monoidal.

Representation Theory · Mathematics 2017-12-04 Peter J. McNamara

We discuss some consequences of the invertibility of Rickard complexes in a categorified quantum group. Results include a description of reflection functors for quiver Hecke algebras and a theory of restricting categorical representations…

Representation Theory · Mathematics 2023-08-04 Peter J. McNamara

Given a quiver, a fixed dimension vector, and a positive integer n, we construct a functor from the category of D-modules on the space of representations of the quiver to the category of modules over a corresponding Gan-Ginzburg algebra of…

Representation Theory · Mathematics 2010-05-18 Silvia Montarani

We construct 2 families of automorphic forms related to twisted fake monster algebras and calculate their Fourier expansions. This gives a new proof of their denominator identities and shows that they define automorphic forms of singular…

Quantum Algebra · Mathematics 2016-09-07 Nils R. Scheithauer

Simple representations of KLR algebras can be used to realize the infinity crystal for the corresponding symmetrizable Kac-Moody algebra. It was recently shown that, in finite and affine types, certain sub-categories of cuspidal…

Representation Theory · Mathematics 2017-03-16 Peter J. McNamara , Peter Tingley
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