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The monoidal category of Soergel bimodules categorifies the Hecke algebra of a finite Weyl group. In the case of the symmetric group, morphisms in this category can be drawn as graphs in the plane. We define a quotient category, also given…

Representation Theory · Mathematics 2016-03-08 Ben Elias

We construct gradings on the simple modules of 2-boundary Temperley--Lieb algebras and symplectic blob algebras by realising the latter algebras as quotients of Varagnolo--Vasserot's orientifold quiver Hecke algebras. We prove that the…

Representation Theory · Mathematics 2026-01-08 Chris Bowman , Zajj Daugherty , Maud De Visscher , Rob Muth , Loic Poulain D'andecy

We determine the algebraic structure underlying the geometric complex associated to a link in Bar-Natan's geometric formalism of Khovanov's link homology theory (n=2). We find an isomorphism of complexes which reduces the complex to one in…

Geometric Topology · Mathematics 2009-05-21 Gad Naot

We propose a framization of the Temperley-Lieb algebra. The framization is a procedure that can briefly be described as the adding of framing to a known knot algebra in a way that is both algebraically consistent and topologically…

Quantum Algebra · Mathematics 2016-08-09 Dimos Goundaroulis , Jesus Juyumaya , Aristidis Kontogeorgis , Sofia Lambropoulou

Dilute Temperley--Lieb algebras are variants of Temperley--Lieb algebras arising in statistical mechanics in the study of solvable lattice models. In this paper we prove that the (co)homology of dilute Temperley--Lieb algebras vanishes in…

Algebraic Topology · Mathematics 2026-03-20 Andrew Fisher , Daniel Graves

We give a new and conceptually straightforward proof of the well-known presentation for the Temperley-Lieb algebra, via an alternative new presentation. Our method involves twisted semigroup algebras, and we make use of two apparently new…

Rings and Algebras · Mathematics 2021-01-13 James East

We construct an explicit equivalence between the (bi)category of gl(2) webs and foams and the Bar-Natan (bi)category of Temperley-Lieb diagrams and cobordisms. With this equivalence we can fix functoriality of every link homology theory…

Algebraic Topology · Mathematics 2023-06-14 Anna Beliakova , Matthew Hogancamp , Krzysztof Karol Putyra , Stephan Martin Wehrli

In this paper we introduce the Yokonuma-Temperley-Lieb algebra as a quotient of the Yokonuma-Hecke algebra over a two-sided ideal generated by an expression analogous to the one of the classical Temperley-Lieb algebra. The main theorem…

Geometric Topology · Mathematics 2013-12-09 Dimos Goundaroulis , Jesus Juyumaya , Aristides Kontogeorgis , Sofia Lambropoulou

Inspired by earlier works on representations of the Temperley-Lieb algebra we introduce a novel family of representations of the algebra. This may be seen as a generalization of the so called asymmetric twin representation. The underlying…

Mathematical Physics · Physics 2015-03-17 Anastasia Doikou , Nikos Karaiskos

We give a fresh introduction to the Khovanov Homology theory for knots and links, with special emphasis on its extension to tangles, cobordisms and 2-knots. By staying within a world of topological pictures a little longer than in other…

Geometric Topology · Mathematics 2014-11-11 Dror Bar-Natan

Let us consider a Lie (super)algebra $G$ spanned by $T_{\alpha}$ where $T_{\alpha}$ are quantum observables in BV-formalism. It is proved that for every tensor $c^{\alpha_1...\alpha_k}$ that determines a homology class of the Lie algebra…

High Energy Physics - Theory · Physics 2007-05-23 Albert Schwarz

We explore the complex associated to a link in the geometric formalism of Khovanov's (n=2) link homology theory, determine its exact underlying algebraic structure and find its precise universality properties for link homology functors. We…

Geometric Topology · Mathematics 2007-06-26 Gad Naot

We investigate the representation theory of the Temperley-Lieb algebra, $TL_n(\delta)$, defined over a field of positive characteristic. The principle question we seek to answer is the multiplicity of simple modules in cell modules for…

Representation Theory · Mathematics 2023-08-17 R. A. Spencer

We give an exact spectral equivalence between the quantum group invariant XXZ chain with arbitrary left boundary term and the same XXZ chain with purely diagonal boundary terms. This equivalence, and a further one with a link pattern…

Statistical Mechanics · Physics 2011-02-16 A. Nichols , V. Rittenberg , J. de Gier

We develop the homological theory of KLR algebras of symmetric affine type. For each PBW basis, a family of standard modules is constructed which categorifies the PBW basis.

Representation Theory · Mathematics 2016-11-01 Peter J. McNamara

We realize the Temperley-Lieb algebra by analogues of Soergel bimodules. The key point is that the monoidal structure is not given by a usual tensor product but by a slightly more complicated operation.

Representation Theory · Mathematics 2013-11-12 Thomas Gobet

New sets of rank n-representations of Temperley-Lieb algebra TL_N(q) are constructed. They are characterized by two matrices obeying a generalization of the complex Hadamard property. Partial classifications for the two matrices are given,…

Mathematical Physics · Physics 2015-06-16 Jean Avan , Tiago Fonseca , Luc Frappat , Petr Kulish , Eric Ragoucy , Genevieve Rollet

We develop some basic homological theory of hopfological algebra as defined by Khovanov. Several homological properties in hopfological algebra analogous to those of usual homological theory of DG algebras are obtained.

K-Theory and Homology · Mathematics 2019-02-20 You Qi

The virtual knot theory is a new interesting subject in the recent study of low dimensional topology. In this paper, we explore the algebraic structure underlying the virtual braid group and call it the virtual Temperley--Lieb algebra which…

Mathematical Physics · Physics 2007-05-23 Yong Zhang , Louis H. Kauffman , Mo-Lin Ge

Under a suitable hypothesis, we construct a full set of pairwise orthogonal maximal vectors in $V^{\otimes n}$, where $V=V(1)$ is the simple module of highest weight $1$ for the quantized enveloping algebra $\mathbf{U}(\mathfrak{sl}_2)$. We…

Representation Theory · Mathematics 2023-12-11 Stephen Doty , Anthony Giaquinto