Results 91 to 100 of about 971 (194)

Some homological properties of skew PBW extensions arising in non-commutative algebraic geometry

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2017
In this short paper we study for the skew PBW (Poincar-Birkhoff-Witt) extensions some homological properties arising in non-commutative algebraic geometry, namely, Auslander-Gorenstein regularity, Cohen-Macaulayness and strongly noetherianity.
Lezama Oswaldo
doaj   +1 more source

Bootstrapping non-commutative gauge theories from L∞ algebras

open access: yesJournal of High Energy Physics, 2018
Non-commutative gauge theories with a non-constant NC-parameter are investigated. As a novel approach, we propose that such theories should admit an underlying L∞ algebra, that governs not only the action of the symmetries but also the dynamics of the ...
Ralph Blumenhagen   +3 more
doaj   +1 more source

The Boolean spectrum of a Grothendieck category

open access: yesJournal of the London Mathematical Society, Volume 114, Issue 4, October 2026.
Abstract A notion of support for objects in any Grothendieck category is introduced. This is based on the spectral category of a Grothendieck category and uses its Boolean lattice of localising subcategories. The support provides a classification of all subcategories that are closed under arbitrary coproducts, subobjects, and essential extensions ...
Henning Krause
wiley   +1 more source

Neutrino dynamics in a non–commutative spacetime

open access: yesPhysics Letters B
We investigate neutrino dynamics in a spherically symmetric non–commutative black hole spacetime generated by a Lorentzian smeared matter distribution.
A.A. Araújo Filho   +3 more
doaj   +1 more source

Modular forms in the spectral action of Bianchi IX gravitational instantons

open access: yesJournal of High Energy Physics, 2019
We prove a modularity property for the heat kernel and the Seeley-deWitt coefficients of the heat kernel expansion for the Dirac-Laplacian on the Bianchi IX gravitational instantons.
Wentao Fan   +2 more
doaj   +1 more source

On the geometry of WDVV equations and their Hamiltonian formalism in arbitrary dimension

open access: yesJournal of the London Mathematical Society, Volume 114, Issue 4, October 2026.
Abstract It is known that in low dimensions Witten–Dijkgraaf–Verlinde–Verlinde (WDVV) equations can be rewritten as commuting quasilinear bi‐Hamiltonian systems. We extend some of these results to arbitrary dimension N$N$ and arbitrary scalar product η$\eta$.
S. Opanasenko, R. Vitolo
wiley   +1 more source

Star-products for Lie-algebraic noncommutative Minkowski space-times

open access: yesJournal of High Energy Physics
Poisson structures of the Poincaré group can be linked to deformations of the Minkowski space-time, classified some time ago by Zakrewski. Based on this classification, various quantum Minkowski space-times with coordinates Lie algebras and specific ...
Valentine Maris   +2 more
doaj   +1 more source

Simulating general relativity and non-commutative geometry by non-paraxial quantum fluids

open access: yesNew Journal of Physics, 2019
We show that quantum fluids enable experimental analogs of relativistic orbital precession in the presence of non-paraxial effects. The analysis is performed by the hydrodynamic limit of the Schrödinger equation.
Giulia Marcucci, Claudio Conti
doaj   +1 more source

Bordered Floer homology, handlebody detection, and compressing diffeomorphisms

open access: yesJournal of the London Mathematical Society, Volume 114, Issue 4, October 2026.
Abstract We show that, up to connected sums with integer homology L$L$‐spaces, bordered Floer homology detects handlebodies, as well as whether a mapping class extends over a given handlebody or compression body. Using this, we combine ideas of Casson–Long with the theory of train tracks to give an algorithm using bordered Floer homology to detect ...
Akram Alishahi, Robert Lipshitz
wiley   +1 more source

On Non-Commutative Multi-Rings with Involution

open access: yesMathematics
The primary motivation for this work is to develop the concept of Marshall’s quotient applicable to non-commutative multi-rings endowed with involution, expanding upon the main ideas of the classical case—commutative and without involution—presented in ...
Kaique M. A. Roberto   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy