Results 221 to 230 of about 298,518 (247)

Comparison theorems on H-type sub-Riemannian manifolds. [PDF]

open access: yesCalc Var Partial Differ Equ
Baudoin F   +3 more
europepmc   +1 more source

Germanene-Based Two-Dimensional Magnet with Tunable Properties. [PDF]

open access: yesACS Nano
Matetskiy AV   +14 more
europepmc   +1 more source

On the P-Scalar Curvature [PDF]

open access: possibleThe Journal of Geometric Analysis, 2016
We study the P-scalar curvature operator used by Perelman in the context of manifolds with density. We verify that the Gromov–Lawson surgery for positive scalar curvature extends naturally to positive P-scalar curvature. By studying the first variation of the P-scalar curvature operator, we obtain local perturbation results for the P-scalar curvature ...
Farhan Abedin, Justin Corvino
openaire   +1 more source

The Scalar Curvature

1976
We shall deal with some problems concerning the scalar curvature of compact riemannian manifolds. In particular we shall deal with the problem of Yamabe: Does there exist a conformal metric for which the scalar curvature is constant? And also problems posed by Chern, Nirenberg and others.
openaire   +2 more sources

Scalar curvature and hammocks

Mathematische Annalen, 1999
Scalar curvature is the simplest generalization of Gaussian curvature to higher dimensions. However there are many questions open with regard to its relation to other geometric quantities and topology. Here we will prove and illustrate some features of scalar curvature in higher dimensions related to a general hammock effect for scalar curvature ...
openaire   +2 more sources

Prescribed Scalar Curvature [PDF]

open access: possible, 1998
Let (M n , g) be a C ∞ Riemannian manifold of dimension n ≥ 2. Given f a smooth function on M n , the Problem is: Does there exist a metric g′ on M such that the scalar curvature R′ of g′ is equal to f ?
openaire   +1 more source

Scalar politics of urban sustainability: Governing the Chinese city in the era of ecological civilisation

Transactions of the Institute of British Geographers, 2021
Calvin King Lam Chung, Jiang Xu
exaly  

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