Results 121 to 130 of about 5,920 (280)
Vector fields, flows and geodesics on supermanifolds
Champs de vecteurs, flots et géodésiques sur les supervariétés Le résultat principal de cette thèse est de donner une définition de géodésique sur les supervariétés riemanniennes (\ca,g) paires (et aussi impaires) et de la justifier par un théorème reliant les courbes géodésiques avec le flot géodésique sur \text{T}^*\ca. Pour ce faire,
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GEODESIC-EINSTEIN METRICS AND NONLINEAR STABILITIES
, 2019 In this paper, we introduce notions of nonlinear stabilities for a relative ample line bundle over a holomorphic fibration and define the notion of a geodesic-Einstein metric on this line bundle, which generalize the classical stabilities and Hermitian ...
Wan, Xueyuan, +7 more
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Experimental Physiology, EarlyView.Abstract Long‐duration spaceflight represents an extreme challenge, triggering adaptive responses including spaceflight‐associated neuro‐ocular syndrome, characterized by diminished visual acuity and ocular changes, which is a significant health risk for Mars missions.
Ge Tang +19 more
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Invariant Totally Geodesic Unit Vector Fields on Three-Dimensional Lie Groups
, 2007 We give a complete list of left-invariant unit vector fields on three-dimensional Lie groups equipped with a left-invariant metric that generate a totally geodesic submanifold in the unit tangent bundle of a group equipped with the Sasaki metric.
Yampolsky, A.
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The Journal of Physiology, EarlyView.Abstract figure legend We present a shape modelling‐based morphological analysis of sex differences in cardiac anatomy. We conduct our analysis on 456 healthy subjects from the UK Biobank (227M/229F) to uncover sex‐based differences in healthy cardiac morphology.
Beatrice Moscoloni +4 more
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Vector fields dynamics as geodesic motion on Lie groups
Comptes Rendus. Mathématique, 2006 We study to what extent vector fields on Lie groups may be considered as geodesic fields. For a given left invariant vector field on a Lie group, we prove there exists a Riemannian metric whose geodesics are its trajectories. When we consider left invariant metrics, differences between the Riemannian and the Lorentzian cases appear, coded by properties
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Invariant Measure and Universality of the 2D Yang–Mills Langevin Dynamic
Communications on Pure and Applied Mathematics, Volume 79, Issue 8, Page 1973-2102, August 2026.ABSTRACT We prove that the Yang–Mills (YM) measure for the trivial principal bundle over the two‐dimensional torus, with any connected, compact structure group, is invariant for the associated renormalised Langevin dynamic. Our argument relies on a combination of regularity structures, lattice gauge‐fixing and Bourgain's method for invariant measures ...
Ilya Chevyrev, Hao Shen
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On Special Types of Minimal and Totally Geodesic Unit Vector Fields
, 2012 15 ...
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On characterization of the range and inversion formulas for the geodesic X-ray transform
, 2004 We describe a relation between the scattering relation, the Hilbert transform in frequency space, and the geodesic ray transform for simple, two-dimensional compact Riemannian manifolds with boundary.
Pestov, Leonid, Uhlmann, Gunther
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Computational study of permeability in cardboard coating layers
AIChE Journal, Volume 72, Issue 7, July 2026.Abstract We develop a virtual material structure model based on a combination of tessellations and Gaussian random fields for a coating layer of paperboard used for packaging and designed to facilitate printing on the surface. To fit the model to tomographic image data acquired using combined focused ion beam and scanning electron microscopy (FIB‐SEM),
Sandra Barman +6 more
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