Results 31 to 40 of about 182,921 (280)

Covariant derivative of the curvature tensor of pseudo-K\"ahlerian manifolds

open access: yes, 2016
It is well known that the curvature tensor of a pseudo-Riemannian manifold can be decomposed with respect to the pseudo-orthogonal group into the sum of the Weyl conformal curvature tensor, the traceless part of the Ricci tensor and of the scalar ...
A Derdzinski   +19 more
core   +1 more source

Geometric Theory of Equiaffine Curvature Tensors [PDF]

open access: yesResults in Mathematics, 2009
We present an algebraic investigation of generalized and equiaffine curvature tensors in a given pseudo-Euclidean vector space and study different orthogonal, irreducible decompositions in analogy to the known decomposition of algebraic curvature tensors.
Gilkey, P., Nikcevic, S., Simon, U.
openaire   +2 more sources

Natural connection with totally skew-symmetric torsion on almost contact manifolds with B-metric

open access: yes, 2011
A natural connection with totally skew-symmetric torsion on almost contact manifolds with B-metric is constructed. The class of these manifolds, where the considered connection exists, is determined.
Friedrich T.   +7 more
core   +1 more source

The Riemann–Lovelock curvature tensor [PDF]

open access: yesClassical and Quantum Gravity, 2012
12 ...
openaire   +2 more sources

On curvature tensors of Hermitian manifolds [PDF]

open access: yesCommunications in Analysis and Geometry, 2018
This is the final version, accepted by ...
Yang, Bo, Zheng, Fangyang
openaire   +2 more sources

Curvature-torsion quasitensor of Laptev fundamental-group connection

open access: yesДифференциальная геометрия многообразий фигур, 2020
We consider a space with Laptev's fundamental group connection generalizing spaces with Cartan connections. Laptev structural equations are reduced to a simpler form.
Yu. I. Shevchenko
doaj   +1 more source

Norden Golden Manifolds with Constant Sectional Curvature and Their Submanifolds

open access: yesMathematics, 2023
This paper discusses the Norden golden manifold having a constant sectional curvature. First, it is shown that if a Norden golden manifold has a constant real sectional curvature, the manifold is flat.
Fulya Şahin   +2 more
doaj   +1 more source

Curvature tensors on almost Hermitian manifolds [PDF]

open access: yesTransactions of the American Mathematical Society, 1981
A complete decomposition of the space of curvature tensors over a Hermitian vector space into irreducible factors under the action of the unitary group is given. The dimensions of the factors, the projections, their norms and the quadratic invariants of a curvature tensor are determined.
Tricerri, Franco, Vanhecke, Lieven
openaire   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Rigidity of noncompact complete Bach-flat manifolds

open access: yes, 2010
Let $(M,g)$ be a noncompact complete Bach-flat manifold with positive Yamabe constant. We prove that $(M,g)$ is flat if $(M, g)$ has zero scalar curvature and sufficiently small $L_{2}$ bound of curvature tensor.
Anderson   +15 more
core   +1 more source

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