Results 1 to 10 of about 170,049 (167)

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   +8 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

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

Preliminary Results of Noninvasive Ocular Rigidity in Diabetic Retinopathy Using Optical Coherence Tomography

open access: yesPhotonics, 2022
The pathologic mechanism of diabetic retinopathy is directly related to the underlying hyperglycemia associated with diabetes. Hyperglycemia causes non-enzymatic cross-linking of collagen fibrils which contributes mechanistically to tissue stiffening ...
Yanhui Ma   +2 more
doaj   +1 more source

On Cosymplectic Dynamics I

open access: yesComplex Manifolds, 2022
This paper is an introduction to cosymplectic topology. Through it, we study the structures of the group of cosymplectic diffeomorphisms and the group of almost cosymplectic diffeomorphisms of a cosymplectic manifold (M, ω, η) : (i)− we define and ...
Tchuiaga Stephane   +2 more
doaj   +1 more source

Rigidity and Non-rigidity Results on the Sphere [PDF]

open access: yesCommunications in Analysis and Geometry, 2006
It is a simple consequence of the maximum principle that a superharmonic function u on Rn(i. e. ∆u ≤ 0) which is 1 near infinity is identically 1 on Rn (throughout this paper, n ≥ 3). Geometrically this means that one can not conformally deform the Euclidean metric in a bounded region without decreasing the scalar curvature somewhere.
Fengbo Hang, Xiaodong Wang
openaire   +1 more source

Three results for $\tau $-rigid modules [PDF]

open access: yesRocky Mountain Journal of Mathematics, 2019
10 pages, to appear in Rocky Mountain Journal of ...
Xie, Zongzhen, Zan, Libo, Zhang, Xiaojin
openaire   +4 more sources

A Rigidity Result for the Robin Torsion Problem

open access: yesThe Journal of Geometric Analysis, 2023
AbstractLet$$\Omega \subset \mathbb {R}^2$$Ω⊂R2be an open, bounded and Lipschitz set. We consider the torsion problem for the Laplace operator associated to$$\Omega $$Ωwith Robin boundary conditions. In this setting, we study the equality case in the Talenti-type comparison, proved in Alvino et al. (Commun Pure Appl Math 76:585–603, 2023)..
Masiello, Alba Lia, Paoli, Gloria
openaire   +4 more sources

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