Results 111 to 120 of about 1,099 (217)

A unified dynamical systems framework for cosmology in f(Q) gravity: generic features across the connection branches

European Physical Journal C: Particles and Fields
We develop a unified dynamical systems framework for spatially flat FLRW cosmology in f(Q) gravity, covering all three connection branches using a single set of Hubble-normalised variables without fixing the function f(Q) a priori. This model-independent
Jibitesh Dutta, Wompherdeiki Khyllep, Saikat Chakraborty, Daniele Gregoris, Khamphee Karwan   +4 more
doaj   +1 more source

Nonlinear stability of extremal Reissner–Nordström black holes in spherical symmetry

Forum of Mathematics, Pi
In this paper, we prove the codimension-one nonlinear asymptotic stability of the extremal Reissner–Nordström family of black holes in the spherically symmetric Einstein–Maxwell-neutral scalar field model, up to and including the event horizon.
Yannis Angelopoulos, Christoph Kehle, Ryan Unger   +2 more
doaj   +1 more source

A Comprehensive Review of Golden Riemannian Manifolds

Axioms
In differential geometry, the concept of golden structure represents a compelling area with wide-ranging applications. The exploration of golden Riemannian manifolds was initiated by C. E. Hretcanu and M.
Bang-Yen Chen, Majid Ali Choudhary, Afshan Perween   +2 more
doaj   +1 more source

ON SEMI-INVARIANT SUBMANIFOLDS OF ALMOST COMPLEX CONTACT METRIC MANIFOLDS [PDF]

, 2017
In this article we study semi-invariant submanifolds of almost complexcontact metric manifolds.We defined semi-invariant submanifolds of almostcomplex contact metric manifold and we have investigated semi-invariantsubmanifolds of almost complex contact ...
Yıldırım, Cumali, Erdoğan, Feyza Esra   +1 more
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Invariants of submanifolds [PDF]

Czechoslovak Mathematical Journal, 1969
openaire   +1 more source

Invariant and Anti-Invariant Submanifolds of Generalized Sasakian Space Forms

Lobachevskii Journal of Mathematics
In this article, invariant and anti-invariant submanifolds of generalized Sasakian space forms are investigated. The important properties of such submanifolds are determined according to both Levi-Civita connection and semisymmetric metric connection.
Mert, T., Pandey, S., Atçeken, M., De, U.C.   +3 more
openaire   +2 more sources

P-36 An inequality on Riemannian submersion invariant and theta-slant isometric immersion

, 2013
It has been known that if a Riemannian manifold admits a non-trivial Riemannian submersion with totally geodesic fibers, then it cannot be isometrically immersed in any Riemannian manifold of non-positive sectional curvature as a minimal submanifold. B.Y.
Oh, Yun Myung
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On invariant submanifolds of normal paracontact metric manifolds on generalized B-curvature tensor

In this article, pseudoparallel submanifolds for normal paracontact metric manifolds are studied. B -curvature tensor in a normal paracontact metric manifold has been considered.
Atcekenb, Mehmet, Mert, Tugba
core   +1 more source

Tensor-invariants of submanifolds [PDF]

Czechoslovak Mathematical Journal, 1971
openaire   +2 more sources

Pseudoparallel anti-invariant submanifolds of kenmotsu manifolds

, 2010
We consider an anti-invariant, minimal, pseudoparallel and Ricci-generalized pseudoparallel submanifold M of a Kenmotsu space form (M) over tilde (c), for which xi is tangent to ...
Özgür, Cihan, Sular, Sibel
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