Results 121 to 130 of about 200,533 (263)

A groupoid approach to noncommutative T-duality

open access: yes, 2007
Topological T-duality is a transformation taking a gerbe on a principal torus bundle to a gerbe on a principal dual-torus bundle. We give a new geometric construction of T-dualization, which allows the duality to be extended in following two directions ...
Daenzer, Calder
core   +3 more sources

The curvature object for fundamental-group connection associated with congruence of hypercentred planes

open access: yesДифференциальная геометрия многообразий фигур, 2018
The congruence of hypercentred planes is investigated in n-di­men­sional projective space. The congruence is a holonomic smooth manifold. It is proved that curvature object for the fundamental-group connection in the principal fibre bundle associated ...
A. Vyalova
doaj  

Relational quantum geometry

open access: yesNuclear Physics B
A common feature of the extended phase space of gauge theory, the crossed product of quantum theory, and quantum reference frames (QRFs) is the adjoining of degrees of freedom followed by a constraining procedure for the resulting total system.
Shadi Ali Ahmad   +3 more
doaj   +1 more source

An Atiyah Sequence for Noncommutative Principal Bundles [PDF]

open access: diamond, 2022
Kay Schwieger   +2 more
openalex   +1 more source

Computation of the masses of the elementary particles

open access: yesAIP Advances
An approach to gauge theory in the context of locally conformally flat space–time is described. It is discussed how there are a number of natural principal bundles associated with any given locally conformally flat space–time X.
John Mashford
doaj   +1 more source

Five-dimensional Kaluza-Klein Theory reformulated

open access: yesRevista Técnica de la Facultad de Ingeniería, 2011
This paper presents a reformulation of the five-dimensional Kaluza-Klein theory. taking into consideration the fact that these five dimensions of space-time are present on the tangent bundle of the Principal Bundle (B). Tb1s reformulation is possible due
Williams Pitter, Mario Choy
doaj  

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