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A version of noncommutative geometry is proposed which is based on phase-space rather than position space. The momenta encode the information contained in the algebra of forms by a map which is the noncommutative extension of the duality…

High Energy Physics - Theory · Physics 2011-10-06 Maja Buric , John Madore

This is a compilation of some well known propositions of Alain Connes concerning the use of noncommutative geometry in mathematical physics.

Mathematical Physics · Physics 2015-05-04 Jean Petitot

This talk is an introduction to ideas of non-commutative geometry and star products. We will discuss consequences for physics in two different settings: quantum field theories and astrophysics. In case of quantum field theory, we will…

High Energy Physics - Theory · Physics 2010-02-23 Michael Wohlgenannt

In this paper we study the nonlocal effects of noncommutative spacetime on simple physical systems. Our main point is the assumption that the noncommutative effects are consequences of a background field which generates a local spin…

High Energy Physics - Theory · Physics 2009-11-11 L. P. Colatto , A. L. A. Penna , W. C. Santos

We investigate the geode and some of its generalizations from the point of view on noncommutative symmetric functions.

Combinatorics · Mathematics 2026-01-29 Jean-Christophe Novelli , Jean-Yves Thibon

The purpose of this short note was to outline the current status, then in 2011, of some research programs aiming at a categorification of parts of A.Connes' non-commutative geometry and to provide an outlook on some possible subsequent…

Operator Algebras · Mathematics 2015-06-22 Paolo Bertozzini , Roberto Conti , Wicharn Lewkeeratiyutkul

To appear in Encyclopedia of Mathematical Physics, J.-P. Fran\c{c}oise, G. Naber and T.S. Tsou, eds., Elsevier, 2006. The article surveys the modern developments of noncommutative geometry in string theory.

High Energy Physics - Theory · Physics 2007-05-23 Chong-Sun Chu

Noncommutative geometry allows to unify the basic building blocks of particle physics, Yang-Mills-Higgs theory and General relativity, into a single geometrical framework. The resulting effective theory constrains the couplings of the…

High Energy Physics - Phenomenology · Physics 2013-05-15 Christoph A. Stephan

In this survey article we discuss a framework of noncommutative geometry with differential graded categories as models for spaces. We outline a construction of the category of noncommutative spaces and also include a discussion on…

Algebraic Geometry · Mathematics 2017-04-04 Snigdhayan Mahanta

We show the existence of a noncommutative spacetime structure in the context of a complete discussion on the underlying spacetime symmetries for the physical system of a free massless relativistic particle. The above spacetime symmetry…

High Energy Physics - Theory · Physics 2009-11-10 R. P. Malik

In this review article we discuss some of the applications of noncommutative geometry in physics that are of recent interest, such as noncommutative many-body systems, noncommutative extension of Special Theory of Relativity kinematics,…

High Energy Physics - Theory · Physics 2009-11-19 Rabin Banerjee , Biswajit Chakraborty , Subir Ghosh , Pradip Mukherjee , Saurav Samanta

This thesis concerns the research on a Lorentzian generalization of Alain Connes' noncommutative geometry. In the first chapter, we present an introduction to noncommutative geometry within the context of unification theories. The second…

Mathematical Physics · Physics 2011-08-03 Nicolas Franco

Classical differential geometry can be encoded in spectral data, such as Connes' spectral triples, involving supersymmetry algebras. In this paper, we formulate non-commutative geometry in terms of supersymmetric spectral data. This leads…

Mathematical Physics · Physics 2011-07-19 J. Froehlich , O. Grandjean , A. Recknagel

This text is an introduction to a few selected areas of Alain Connes' noncommutative geometry written for the volume of the school/conference "Noncommutative Geometry 2005" held at IPM Tehran. It is an expanded version of my lectures which…

Quantum Algebra · Mathematics 2007-05-23 Masoud Khalkhali

We consider both the co-ordinates and momenta to be non-commutative and define a non-commutative version of Lorentz symmetry which has a smooth limit to the standard Lorentz symmetry. The Poincar\acute{e} algebra in this spacetime has also…

High Energy Physics - Theory · Physics 2008-12-31 Pulak Ranjan Giri , T. Shreecharan

We review basic notions and methods of noncommutative geometry and their applications to analysis and geometry on foliated manifolds.

Differential Geometry · Mathematics 2007-05-23 Yuri A. Kordyukov

These notes aim to give an introduction to a few aspects of noncommutative geometry.

K-Theory and Homology · Mathematics 2007-05-23 Masoud Khalkhali

We report on the following highlights from among the many discoveries made in Noncommutative Geometry since year 2000: 1) The interplay of the geometry with the modular theory for noncommutative tori, 2) Advances on the Baum-Connes…

Quantum Algebra · Mathematics 2019-10-24 Alain Connes

In recent years, several quantizations of real manifolds have been studied, in particular from the point of view of Connes' noncommutative geometry. Less is known for complex noncommutative spaces. In this paper, we review some recent…

Quantum Algebra · Mathematics 2012-03-06 Francesco D'Andrea , Giovanni Landi

The well known relation between extended supersymmetry and complex geometry in the non-linear sigma-models is reviewed, and some recent developments related to the introduction of the non-anti-commutativity, in the context of the…

High Energy Physics - Theory · Physics 2017-08-23 S. V. Ketov