Results 21 to 30 of about 102,344 (170)

Analysis of constraints and their algebra in bimetric theory

open access: yesJournal of High Energy Physics, 2018
We perform a canonical analysis of the bimetric theory in the metric formulation, computing the constraints and their algebra explicitly. In particular, we compute a secondary constraint, that has been argued to exist earlier, and show that it has the ...
S. F. Hassan, Anders Lundkvist
doaj   +1 more source

Triangular Fuzzy Metric [PDF]

open access: yesمجلة جامعة النجاح للأبحاث العلوم الطبيعية, 1994
This paper presents a new method to rank triangular fuzzy numbers as well as a new metric (triangular fuzzy metric) on the set of fuzzy points. This metric can be used in both studying fuzzy topological spaces and decision-making theory.
Mohammad A. Mahmoud Al-Amleh
doaj   +1 more source

Theory of the norm-induced metric in atmospheric dynamics [PDF]

open access: yesAtmospheric Chemistry and Physics, 2015
We suggest that some metrics for quantifying distances in phase space are based on linearized flows about unrealistic reference states and hence may not be applicable to atmospheric flows.
T.-Y. Koh, F. Wan
doaj   +1 more source

Strongly nonlinear potential theory on metric spaces

open access: yesAbstract and Applied Analysis, 2002
We define Orlicz-Sobolev spaces on an arbitrary metric space with a Borel regular outer measure, and we develop a capacity theory based on these spaces. We study basic properties of capacity and several convergence results.
Noureddine Aïssaoui
doaj   +1 more source

Deformation techniques in metric critical point theory

open access: yesAdvances in Nonlinear Analysis, 2013
We propose a synthetic and self-contained treatment of the main deformation results of critical point theory, for continuous functionals defined on metric spaces.
Corvellec Jean-Noël
doaj   +1 more source

The cosmology of quadratic torsionful gravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We study the cosmology of a quadratic metric-compatible torsionful gravity theory in the presence of a perfect hyperfluid. The gravitational action is an extension of the Einstein–Cartan theory given by the usual Einstein–Hilbert contribution plus all ...
Damianos Iosifidis, Lucrezia Ravera
doaj   +1 more source

Metric theory of nematoelastic shells [PDF]

open access: yesPhysical Review E, 2014
We consider three-dimensional reshaping of a thin nematoelastic film upon nematic-isotropic transition in the field of a charge one topological defect, leading to either cone or anticone (d-cone) shells. The analysis is based on the relation between the shell metric and the tensor order parameter under the assumption of no elastic deformation and ...
openaire   +3 more sources

Projective metric number theory [PDF]

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 2013
Abstract In this paper we consider the probabilistic theory of Diophantine approximation in projective space over a completion of ℚ. Using the projective metric studied in [Ann. Sc. Norm. Super. Pisa Cl. Sci. (4) 23 (1996), no. 2, 211–248] we prove the analogue of Khintchine's theorem in projective space. For finite places and in higher
Ghosh, Anish, Haynes, Alan
openaire   +3 more sources

Information geometry in quantum field theory: lessons from simple examples

open access: yesSciPost Physics, 2020
Motivated by the increasing connections between information theory and high-energy physics, particularly in the context of the AdS/CFT correspondence, we explore the information geometry associated to a variety of simple systems. By studying their Fisher
Johanna Erdmenger, Kevin T. Grosvenor, Ro Jefferson
doaj   +1 more source

Causality in indefinite metric theories [PDF]

open access: yesIl Nuovo Cimento A, 1974
It has recently been claimed by Rechenberg and Sudarshan that theories with shadow states are consistent with macroscopic causality, even though they lack the normal physical-region analytic structure. This claim is based on a number of incorrect statements, which are here pointed out. These errors invalidate the claim.
openaire   +2 more sources

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