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Related papers: A note on general linear link homology

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We extend Lee's result on sl(2) Khovanov cohomology of a link L to the general sl(n) case: a filtered chain complex C(L) whose spectral sequence E_2 term equals Khovanov cohomology is exhibited. We also compute C(L)'s cohomology: it depends…

Quantum Algebra · Mathematics 2009-09-29 Bojan Gornik

In paper "A new twist on Lorenz links" (Journal of Topology 2(2009), 227-248) Joan Birman and Ilya Kofman prove the coincidence of the class of Lorenz links and the class of twisted links. The proof in that work is algebraic. We will…

Geometric Topology · Mathematics 2010-06-17 Roman Razumovsky

This article presents results being consistent with conjectures of J.-L. Loday about the existence and properties of a Leibniz homology for groups. Introducing L-sets we prove that (pointed) rack homology has properties this conjectural…

K-Theory and Homology · Mathematics 2014-02-10 Simon Covez

This article contains a review of categorifications of semisimple representations of various rings via abelian categories and exact endofunctors on them. A simple definition of an abelian categorification is presented and illustrated with…

Representation Theory · Mathematics 2007-05-23 Mikhail Khovanov , Volodymyr Mazorchuk , Catharina Stroppel

A generalized notion of a Lie algebroid is presented. Using this, the Lie algebroid generalized tangent bundle is obtained. A new point of view over (linear) connections theory on a fiber bundle is presented. These connections are…

Differential Geometry · Mathematics 2016-11-25 Constantin M. Arcus

Let $X$ be an irreducible smooth complex projective variety. Let $G$ be a linear algebraic group over $\mathbb{C}$. We define the notion of Lie algebroid valued connection on holomorphic principal $G$--bundles on $X$, and study their basic…

Algebraic Geometry · Mathematics 2025-05-27 Samit Ghosh , Arjun Paul

I show how to associate a Clifford algebra to a graph. I describe the structure of these Clifford graph algebras and provide many examples and pictures. I describe which graphs correspond to isomorphic Clifford algebras and also discuss…

Combinatorics · Mathematics 2013-06-25 Tanya Khovanova

Unifying various generalizations of the important notions of Reynolds operators, the relative cocycle weighted Reynolds operators are studied. Here cocycle weighted means the weight of the operators is given by a 2-cocycle rather than by a…

Rings and Algebras · Mathematics 2021-12-14 Guo Shuangjian , Zhang Yi

In these lectures notes I discuss the Linearization Theorem for Lie groupoids, and its relation to the various classical linearization theorems for submersions, foliations and group actions. In particular, I explain in some detail the…

Differential Geometry · Mathematics 2015-01-28 Rui Loja Fernandes

We characterize H-like Lie algebras in terms of subspaces of cones over conjugacy classes in $\mathfrak{so}(\mathbb{R}^q)$, translating the classification problem for H-like Lie algebras to an equivalent problem in linear algebra. We study…

Differential Geometry · Mathematics 2018-05-09 Cathy Kriloff , Tracy Payne

We explain that general differential calculus and Lie theory have a common foundation: Lie Calculus is differential calculus, seen from the point of view of Lie theory, by making use of the groupoid concept as link between them. Higher…

Group Theory · Mathematics 2017-06-29 Wolfgang Bertram

We present a construction of 2-step nilpotent Lie algebras using labeled directed simple graphs, which allows us to give a criterion to detect certain ideals and subalgebras by finding special subgraphs. We prove that if a label occurs only…

Differential Geometry · Mathematics 2023-08-08 Mauricio Godoy Molina , Diego Lagos

We construct a cohomology theory controlling the deformations of a general Drinfel'd algebra. The picture presented here has two sides -- the combinatorial one related with the fact of the existence of a graded Lie algebra structure on the…

High Energy Physics - Theory · Physics 2008-02-03 Martin Markl , Steve Shnider

For a Lie-Rinehart algebra (A,L), generators for the Gerstenhaber algebra \Lambda_A L correspond bijectively to right (A,L)-connections on A in such a way that B-V structures correspond to right (A,L)-module structures on A. When L is…

dg-ga · Mathematics 2008-02-03 Johannes Huebschmann

We review (non-abelian) extensions of a given Lie algebra, identify a 3-dimensional cohomological obstruction to the existence of extensions. A striking analogy to the setting of covariant exterior derivatives, curvature, and the Bianchi…

Differential Geometry · Mathematics 2007-05-23 Dmitri Alekseevsky , Peter W. Michor , Wolfgang Ruppert

We introduce the concept of a semigroup coupled cell network and show that the collection of semigroup network vector fields forms a Lie algebra. This implies that near a dynamical equilibrium the local normal form of a semigroup network is…

Dynamical Systems · Mathematics 2012-09-17 Bob Rink , Jan Sanders

This paper generalize [7](math.GT/0601291): We construct new links invariants from g, a type I basic classical Lie superalgebra. The construction uses the existence of an unexpected replacement of the vanishing quantum dimension of typical…

Geometric Topology · Mathematics 2007-10-01 Nathan Geer , Bertrand Patureau-Mirand

It is shown that any Lie affgebra, that is an algebraic system consisting of an affine space together with a bi-affine bracket satisfying affine versions of the antisymmetry and Jacobi identity, is isomorphic to a Lie algebra together with…

Rings and Algebras · Mathematics 2024-09-04 Ryszard R. Andruszkiewicz , Tomasz Brzeziński , Krzysztof Radziszewski

During the last decades algebraization of space turned out to be a promising tool at the interface between Mathematics and Theoretical Physics. Starting with works by Gel'fand-Kolmogoroff and Gel'fand-Naimark, this branch developed as from…

Rings and Algebras · Mathematics 2009-03-23 Janusz Grabowski , Alexei Kotov , Norbert Poncin

Leibniz algebras are non skew-symmetric generalization of Lie algebras. In this paper we introduce the notion of anti-Leibniz algebras as a "non commutative version" of mock-Lie algebras. Low dimensional classification of such algebras is…

Rings and Algebras · Mathematics 2024-11-26 Safa Braiek , Taoufik Chtioui , Sami Mabrouk