Results 11 to 20 of about 358,289 (300)

Scalar Curvature and Q-Curvature of Random Metrics [PDF]

open access: yesThe Journal of Geometric Analysis, 2010
We study Gauss curvature for random Riemannian metrics on a compact surface, lying in a fixed conformal class; our questions are motivated by comparison geometry. Next, analogous questions are considered for the scalar curvature in dimension $n>2$, and for the $Q$-curvature of random Riemannian metrics.
Canzani, Yaiza   +2 more
openaire   +4 more sources

Horizon curvature and spacetime structure influences on black hole scalarization

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
Black hole spontaneous scalarization has been attracting more and more attention as it circumvents the well-known no-hair theorems. In this work, we study the scalarization in Einstein–scalar-Gauss–Bonnet theory with a probe scalar field in a black hole ...
Hong Guo   +3 more
doaj   +1 more source

Mean Curvature in the Light of Scalar Curvature [PDF]

open access: yesAnnales de l'Institut Fourier, 2020
We formulate several conjectures on mean convex domains in the Euclidean spaces, as well as in more general spaces with lower bounds on their scalar curvatures, and prove a few theorems motivating these ...
openaire   +3 more sources

ON THE FLAG CURVATURE OF FINSLER METRICS OF SCALAR CURVATURE [PDF]

open access: yesJournal of the London Mathematical Society, 2003
23 ...
Chen, Xinyue   +2 more
openaire   +2 more sources

Volume and macroscopic scalar curvature [PDF]

open access: yes, 2022
We prove the macroscopic cousins of three conjectures: (1) a conjectural bound of the simplicial volume of a Riemannian manifold in the presence of a lower scalar curvature bound, (2) the conjecture that rationally essential manifolds do not admit ...
Sauer, Roman, Braun, Sabine
core   +1 more source

On the scalar curvature of Einstein manifolds [PDF]

open access: yesMathematical Research Letters, 1997
LaTeX.
Catanese, Fabrizio, LeBrun, Claude
openaire   +3 more sources

On isotropic Berwald scalar curvature [PDF]

open access: yes, 2022
In this short paper, we establish a closer relation between the Berwald scalar curvature and the $S$-curvature. In fact, we prove that a Finsler metric has isotropic Berwald scalar curvature if and only if it has weakly isotropic $S$-curvature.
Li, Ming
core   +1 more source

Scalar Curvature of a Causal Set [PDF]

open access: yesPhysical Review Letters, 2010
A one parameter family of retarded linear operators on scalar fields on causal sets is introduced. When the causal set is well approximated by 4 dimensional Minkowski spacetime, the operators are Lorentz invariant but nonlocal, are parametrized by the scale of the nonlocality, and approximate the continuum scalar D'Alembertian square when acting on ...
Benincasa, Dionigi Maria Teofilo   +1 more
openaire   +2 more sources

Curvature-Dimension Condition Meets Gromov's n-Volumic Scalar Curvature [PDF]

open access: yes, 2021
We study the properties of the n-volumic scalar curvature in this note. Lott-Sturm-Villani's curvature-dimension condition CD(κ, ) was shown to imply Gromov's -volumic scalar curvature ≥ κ under an additional -dimensional condition, and we show the ...
Deng, Jialong
core   +1 more source

On Gromov’s scalar curvature conjecture [PDF]

open access: yesProceedings of the American Mathematical Society, 2009
We prove the Gromov conjecture on the macroscopic dimension of the universal covering of a closed spin manifold with a positive scalar curvature under the following assumptions on the fundamental group. 0.1 0.1
Bolotov, Dmitry, Dranishnikov, Alexander
openaire   +2 more sources

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