Contents

Gravitation and Cosmology


Vol. 29, No. 4, 2023


Formation of Supermassive Nuclei of Black Holes in the Early Universe by the Mechanism of Scalar-Gravitational Instability. I. Local Picture${}^{1}$

Yu. G. Ignat’ev p. 327  abstract

Phantom Dark Energy Nature of String-Fluid Cosmological Models in $\boldsymbol{f(Q)}$-Gravity

Dinesh Chandra Maurya p. 345  abstract

“New Inflation” for a Bianchi Type IX Cosmological Model with Rotation and Dark Energy

V. F. Panov, O. V. Sandakova, E. V. Kuvshinova p. 362  abstract

Quantization of Measure in Gravitation

V. Dzhunushaliev, V. Folomeev p. 367  abstract

On the Stability of Spherically Symmetric Space-Times in Scalar-Tensor Gravity

K. A. Bronnikov, S. V. Bolokhov, M. V. Skvortsova, K. Badalov, R. Ibadov p. 374  abstract

Proof for the Weak and the Strong Energy Conditions Theorems in Einstein–Yang–Mills Theories

Alcides Garat p. 387  abstract

London-Like Tensor Modes of Gravitational Waves in Cosmic String Cosmology

Claudio Aravena-Plaza, Víctor Muñoz, Felipe A. Asenjo p. 400  abstract

A Note on the Arrow of Time in Nonminimally Coupled Scalar Field FRW Cosmology

L. A. León Andonayre, M. A. Skugoreva, A. V. Toporensky, T. Vargas p. 404  abstract

Photon Spheres near Dilatonic Dyon-Like Black Holes in a Model with Two Abelian Gauge Fields and Two Scalar Fields

V. D. Ivashchuk, A. N. Malybayev, G. S. Nurbakova, G. Takey p. 411  abstract

Studies of Density Contrast of Cold Dark Matter in Cosmological Radiation and Dark Energy Background: A Symmetry-Based Approach

Aritra Ganguly, Amitava Choudhuri p. 419  abstract

GZK Cutoff in Presence of a Specified Modified Dispersion Relation

Arash Majidian, Mehdi Jafari Matehkolaeer p. 432  abstract

Thick Fluid Disks Around Binary Black Holes

S. V. Chernov p. 437  abstract

The Fate of the Universe Evolution in the Quadratic Form of Ricci–Gauss–Bonnet Cosmology

Santosh V Lohakare, Francisco Tello-Ortiz, B. Mishra, S. K. Tripathy p. 443  abstract

On Algebraic Dependence of Cosmological Parameters

Žarko Mijajlović, Danijela Branković p. 456  abstract

Cosmological Model with Cosmic Transit Behavior in Brans-Dicke Theory

Sunil K. Tripathy, Alaka Priyadarsini Sendha, Sasmita Kumari Pradhan, Zashmir Naik, B. Mishra p. 468  abstract

Models of Anisotropic Stars in Spherically Symmetric Space-Time

Ankita Jangid, B. S. Ratanpal, K. K. Venkataratnam p. 479  abstract

Dynamical Analysis of a Charged Spherical Star in $\boldsymbol{R-}\boldsymbol{\beta}\boldsymbol{R}_{\boldsymbol{c}}\mathbf{tanh}\boldsymbol{(R/R_{c})+}\boldsymbol{\xi}\boldsymbol{RT}$ Gravity

M. Z. Bhatti, Z. Yousaf, M. Yousaf p. 486  abstract