Results 71 to 80 of about 402,535 (171)

Einstein’s physical chronogeometry

open access: yesManuscrito
In Einstein’s physical geometry, the geometry of space and the uniformity of time are taken to be non-conventional. However, due to the stipulation of the isotropy of the one-way speed of light in the synchronization of clocks (or definition of ...
Mario Bacelar Valente
doaj   +1 more source

Generalized Minkowski formulas and rigidity results for anisotropic capillary hypersurfaces [PDF]

open access: yesarXiv
We show the generalization of Hsiung-Minkowski integral formula for anisotropic capillary hypersurfaces in the half-space, which includes the weighted Hsiung-Minkowski formula and classical anisotropic Minkowski identity for closed hypersurfaces as special cases.
arxiv  

Estimations de dimensions de Minkowski dans l'espace des groupes marqués [PDF]

open access: yesarXiv, 2006
Dans cet article, on montre que l'espace des groupes marqu\'es est un sous-espace ferm\'e d'un ensemble de Cantor dont la dimension de Hausdorff est infinie. On prouve que la dimension de Minkowski de cet espace est infinie en exhibant des sous-ensembles de groupes marqu\'es \`a petite simplification dont les dimensions de Minkowski sont ...
arxiv  

Bubble universe from flat spaces

open access: yesEuropean Physical Journal C: Particles and Fields
We show by matching two flat spaces one in Minkowski coordinates ( empty space) and the other in Minkowski coordinates after a special conformal transformation (also empty space) through a bubble with positive and constant surface tension, that the ...
Eduardo Guendelman, Jacov Portnoy
doaj   +1 more source

On Closed Space Curves In Minkowski Space-Time [PDF]

open access: yesarXiv, 2010
In this paper, we give the generalization of the criterion for a 3-space curve to be closed given by [3] to an n-space curve in Minkowski space-time E_v^n. Furthermore, we apply this criterion for a curve lying on an oriented surface in the Minkowski space E_v^n as an application.
arxiv  

Bernstein type theorems for spacelike stationary graphs in Minkowski spaces [PDF]

open access: yesarXiv, 2015
For entire spacelike stationary 2-dimensional graphs in Minkowski spaces, we establish Bernstein type theorems under specific boundedness assumptions either on the W-function or on the total (Gaussian) curvature. These conclusions imply the classical Bernstein theorem for minimal surfaces in 3-dimensional Euclidean space and Calabi's theorem for ...
arxiv  

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