Results 1 to 10 of about 46,857,055 (316)

Initial Data Rigidity Results. [PDF]

open access: yesCommun Math Phys, 2021
AbstractWe prove several rigidity results related to the spacetime positive mass theorem. A key step is to show that certain marginally outer trapped surfaces are weakly outermost. As a special case, our results include a rigidity result for Riemannian manifolds with a lower bound on their scalar curvature.
Eichmair M, Galloway GJ, Mendes A.
europepmc   +10 more sources

Rigidity Results in General Relativity: a Review [PDF]

open access: yesSurveys in Differential Geometry, 2015
In this survey we review the progress made in the last ten years in understanding the Black Hole Rigidity problem in the setting of smooth spacetimes.
Ionescu, Alexandru, Klainerman, Sergiu
core   +4 more sources

Rigidity and non-rigidity results for conformal immersions [PDF]

open access: yesAdvances in Mathematics, 2015
In this paper we show a quantitative rigidity result for the minimizer of the Willmore functional among all projective planes in $\mathbb{R}^n$ with $n\ge 4$.
Lamm, Tobias, Schätzle, Reiner M.
core   +4 more sources

A survey on stability and rigidity results for Lie algebras [PDF]

open access: yesIndagationes Mathematicae, 2013
We give simple and unified proofs of the known stability and rigidity results for Lie algebras, Lie subalgebras and Lie algebra homomorphisms. Moreover, we investigate when a Lie algebra homomorphism is stable under all automorphisms of the codomain ...
Crainic, Marius   +2 more
core   +8 more sources

On affine rigidity

open access: yesJournal of Computational Geometry, 2013
We study the properties of affine rigidity of a hypergraph and prove a variety of fundamental results. First, we show that affine rigidity is a generic property (i.e., depends only on the hypergraph, not the particular embedding).
Steven J. Gortler   +3 more
doaj   +6 more sources

Symmetry and rigidity results for composite membranes and plates

open access: yesBruno Pini Mathematical Analysis Seminar, 2020
The composite membrane problem is an eigenvalue optimization problem deeply studied from the beginning of the '00's. In this note we survey most of the results proved by several authors over the last twenty years, up to the recent paper [14] written in ...
Eugenio Vecchi
doaj   +3 more sources

Macrophages bend long fibres with flexural rigidity lower than 3 mN·nm2 to avoid frustrated phagocytosis [PDF]

open access: yesParticle and Fibre Toxicology
Background It is an established toxicological principle that the inhalation pathogenicity of respirable and biodurable fibres is caused by excessive fibre length as alveolar macrophages fail to uptake and remove such fibres.
Dirk Broßell   +6 more
doaj   +2 more sources

TRAMbio: a flexible python package for graph rigidity analysis of macromolecules [PDF]

open access: yesBMC Bioinformatics
Background Insight into the rigidity or flexibility of molecular structures is integral for a series of common research questions in molecular biology, including the identification of functional regions, simulated protein unfolding, or tracking and ...
Nicolas Handke   +3 more
doaj   +2 more sources

Liouville-type results for the Lane-Emden equation

open access: yesBruno Pini Mathematical Analysis Seminar, 2023
We present some Liouville-type result for the Lane-Emden equation in the subcritical and in the critical regimes. In particular, we focus on the so-called critical p-Laplace equation.
Alberto Roncoroni
doaj   +1 more source

Effect of joint rigidity on structural behavior of RC buildings [PDF]

open access: yesE3S Web of Conferences, 2021
Non-linear static analysis or pushover analysis is now-a –days generally preferred by many researchers to analyse the non-linear behaviour of the structure. Present study includes the effect of joint rigidity on the behaviour of the structure. A building
Spandana Kurelly   +3 more
doaj   +1 more source

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