Results 11 to 20 of about 4,558 (149)

Geometry of Indefinite Kenmotsu Manifolds as *η-Ricci-Yamabe Solitons

Axioms, 2022
In this paper, we study the properties of ϵ-Kenmotsu manifolds if its metrics are *η-Ricci-Yamabe solitons. It is proven that an ϵ-Kenmotsu manifold endowed with a *η-Ricci-Yamabe soliton is η-Einstein. The necessary conditions for an ϵ-Kenmotsu manifold,
Abdul Haseeb, Mohd Bilal, Sudhakar K. Chaubey, Mohammad Nazrul Islam Khan   +3 more
doaj   +1 more source

ALMOST COSYMPLECTIC (κ, µ)-SPACES WITH CYCLIC-PARALLEL RICCI TENSOR

, 2012
AKTAN, Nesip, BALKAN, Yavuz Selim
openaire   +2 more sources

Conformal η-Ricci soliton in Lorentzian para Kenmotsu manifolds

Gulf Journal of Mathematics, 2023
The objective of the present paper is to study conformal η-Ricci soliton on Lorentzian Para-Kenmotsu manifolds with some curvature conditions. We study Concircular curvature tensor, Quasi conformal curvature tensor, Codazi type of Ricci tensor and cyclic
R. Prasad, Vinay Kumar
semanticscholar   +1 more source

Certain properties of η-Ricci soliton on η-Einstein para-Kenmotsu manifolds

Filomat, 2023
The objective of present research paper is to be investigate the geometric properties of ?-Ricci solitons on ?-Einstein para-Kenmotsu manifolds. In this manner, we consider ?-Ricci solitons on ?-Einstein para-Kenmotsu manifolds satistfying R.S = 0 ...
P. Almia, J. Upreti
semanticscholar   +1 more source

ETA-RICCI SOLITONS ON LORENTZIAN PARA-KENMOTSU MANIFOLDS

Facta Universitatis Series Mathematics and Informatics, 2021
The objective of present research article is to investigate the geometric properties of $\eta$-Ricci solitons on Lorentzian para-Kenmotsu manifolds. In this manner, we consider $\eta$-Ricci solitons on Lorentzian para-Kenmotsu manifolds satisfying $R ...
S. Pandey, Abhishek Singh, V. Mishra
semanticscholar   +1 more source

EACR 2025 Congress: Innovative Cancer Science, 16-19 June 2025. [PDF]

Mol Oncol
Abstracts submitted to the ‘EACR 2025 Congress: Innovative Cancer Science’, from 16–19 June 2025 and accepted by the Congress Organising Committee are published in this Supplement of Molecular Oncology, an affiliated journal of the European Association for Cancer Research (EACR).
europepmc   +2 more sources

Some Characterizations of Three-Dimensional Trans-Sasakian Manifolds Admitting η-Ricci Solitons and Trans-Sasakian Manifolds as Kagan Subprojective Spaces

Ukrainian Mathematical Journal, 2020
We study three-dimensional trans-Sasakian manifolds admitting η-Ricci solitons. Actually, we investigate manifolds whose Ricci tensor satisfy some special conditions, such as cyclic parallelity, Ricci semisymmetry, and 𝜙-Ricci semisymmetry, after ...
A. Sarkar, A. Sil, A. K. Paul
semanticscholar   +2 more sources

Algebraic Properties of Curvature Operators in Lorentzian Manifolds with Large Isometry Groups [PDF]

, 2010
Together with spaces of constant sectional curvature and products of a real line with a manifold of constant curvature, the socalled Egorov spaces and $\varepsilon$-spaces exhaust the class of $n$-dimensional Lorentzian manifolds admitting a group of ...
Calvaruso, Giovanni, Garcia-Rio, Eduardo
core   +5 more sources

The inflationary bispectrum with curved field-space [PDF]

, 2012
We compute the covariant three-point function near horizon-crossing for a system of slowly-rolling scalar fields during an inflationary epoch, allowing for an arbitrary field-space metric.
A. Achucarro, A. Avgoustidis ., A. Mazumdar, A.A. Starobinsky, A.A. Starobinsky, C. Burgess, C. Burrage, C. Cheung, C.M. Peterson, D. Seery, D. Seery, D. Seery, D. Seery, D. Seery, D. Seery, D. Seery, D. Seery, D. Seery, D.H. Lyth, D.H. Lyth, D.I. Kaiser, D.J. Mulryne, D.J. Mulryne, David Seery, E. Nalson, E. Poisson, E.E. Flanagan, F. Arroja, F. Arroja, F. Vernizzi, G.J. Anderson, I. Buchbinder, J. Elliston, J. White, J.-O. Gong, J.-O. Gong, J.M. Maldacena, Joseph Elliston, K. Koyama, L. McAllister, P.M. Saffin, R.L. Arnowitt, Reza Tavakol, S. Renaux-Petel, S. Yokoyama, T. Appelquist, T. Chiba, X. Chen, X. Chen, X. Chen, X. Gao   +50 more
core   +2 more sources

Special Issue: Abstracts of the 11^th Congress of the European Academy of Neurology, Helsinki, Finland. [PDF]

Eur J Neurol
European Journal of Neurology, Volume 32, Issue S1, June 2025.
europepmc   +2 more sources