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We consider a twisted version of quantum groups corepresentations. This generalization amounts to include in the theory the case where quantum space coordinates and its endomorphism matrix entries belong to a non-commutative quadratic…

Quantum Algebra · Mathematics 2007-05-23 H. Montani , R. Trinchero

Derivation-based differential calculi are of great importance in noncommutative geometry, noncommutative gauge theory and integrable systems. In this paper, we propose the connection and curvature from a class of deformed derivation-based…

Mathematical Physics · Physics 2014-12-02 Yongqiang Bai , Ming Pei , Huijuan Fu

We study a class of noncommutative surfaces and their higher dimensional analogues which provide answers to several open questions in noncommutative projective geometry. Specifically, we give the first known graded algebras which are…

Rings and Algebras · Mathematics 2007-05-23 Daniel Rogalski

In this paper we introduce the semi-graded rings, which extend graded rings and skew PBW extensions. For this new type of non-commutative rings we will discuss some basic problems of non-commutative algebraic geometry. In particular, we…

Rings and Algebras · Mathematics 2016-09-23 Oswaldo Lezama , Edward Latorre

We define noncommutative gerbes using the language of star products. Quantized twisted Poisson structures are discussed as an explicit realization in the sense of deformation quantization. Our motivation is the noncommutative description of…

High Energy Physics - Theory · Physics 2007-05-23 Paolo Aschieri , Igor Bakovic , Branislav Jurco , Peter Schupp

The integral in noncommutative geometry (NCG) involves a non-standard trace called a Dixmier trace. The geometric origins of this integral are well known. From a measure-theoretic view, however, the formulation contains several…

Operator Algebras · Mathematics 2010-09-17 Steven Lord , Fedor Sukochev

We find an infinite number of noncommutative geometries which posses a differential structure. They generalize the two dimensional noncommutative plane, and have infinite dimensional representations. Upon applying generalized coherent…

High Energy Physics - Theory · Physics 2009-11-07 A. Pinzul , A. Stern

Let k be an algebraically closed field of characteristic zero. We show that the centre of a homologically homogeneous, finitely generated k-algebra has rational singularities. In particular if a finitely generated normal commutative…

Algebraic Geometry · Mathematics 2007-05-23 J. T. Stafford , M. Van den Bergh

Let Y be the variety of (skew) symmetric nxn-matrices of rank less than or equal to r. In paper we construct a full faithful embedding between the derived category of a non-commutative resolution of Y, constructed earlier by the authors,…

Algebraic Geometry · Mathematics 2016-05-17 Špela Špenko , Michel Van den Bergh

This paper shows among other things that over a non-commutative Koszul algebra, high truncations of finitely generated graded modules have linear free resolutions.

Rings and Algebras · Mathematics 2007-05-23 Peter Jorgensen

We introduce a class of non-commutative algebras that carry a non-commutative (geometric) cluster structure which are generated by identical copies of generalized Weyl algebras. Equivalent conditions for the finiteness of the set of the…

Representation Theory · Mathematics 2016-05-13 Ibrahim Saleh

Sparse representation (SR) and collaborative representation (CR) have been successfully applied in many pattern classification tasks such as face recognition. In this paper, we propose a novel Non-negative Sparse and Collaborative…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Jun Xu , Zhou Xu , Wangpeng An , Haoqian Wang , David Zhang

This is a brief review where some basic elements of non-commutative geometry are given. The rules and ingredients that enter in the construction of the standard model and grand unification models in non-commutative geometry are summarized.…

High Energy Physics - Theory · Physics 2015-03-10 A. H. Chamseddine

We introduce a theory of geometry for nonnoetherian commutative algebras with finite Krull dimension. In particular, we establish new notions of normalization and height: depiction (a special noetherian overring) and geometric codimension.…

Algebraic Geometry · Mathematics 2015-12-24 Charlie Beil

We introduce S-nondegenerate formal CR maps and establish their convergence (revision of a preliminary version).

Complex Variables · Mathematics 2007-05-23 Joel Merker

Quantum Euclidean spaces, as Moyal deformations of Euclidean spaces, are the model examples of noncompact noncommutative manifold. In this paper, we study the quantum Euclidean space equipped with partial derivatives satisfying canonical…

Operator Algebras · Mathematics 2019-08-22 Li Gao , Marius Junge , Edward McDonald

We outline the main features of the definitions and applications of crossed complexes and cubical $\omega$-groupoids with connections. These give forms of higher homotopy groupoids, and new views of basic algebraic topology and the…

Algebraic Topology · Mathematics 2008-10-10 Ronald Brown

In this article, we define a non-commutative deformation of the "symplectic invariants" of an algebraic hyperelliptical plane curve. The necessary condition for our definition to make sense is a Bethe ansatz. The commutative limit reduces…

Mathematical Physics · Physics 2009-03-27 Bertrand Eynard , Olivier Marchal

Following the guidelines of classical differential geometry the `building material' for the tensor calculus in non-commutative geometry is suggested. The algebraic account of moduli of vectors and covectors is carried out.

q-alg · Mathematics 2008-02-03 G. N. Parfionov , Yu. A. Romashev , R. R. Zapatrine

The main purpose of this paper is to describe various phenomena and certain constructions arising in the process of studying derived noncommutative schemes. Derived noncommutative schemes are defined as differential graded categories of a…

Algebraic Geometry · Mathematics 2019-07-18 Dmitri Orlov
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