Zobrazeno 1 - 10
of 22 589
pro vyhledávání: '"GHANBARI, A."'
In this paper, we analyze a thin disk around the distorted Kerr black hole (DKB) within the framework of general relativity using an axisymmetric solution of the Einstein equations. We consider this accretion disk around the Kerr black hole in an ext
Externí odkaz:
http://arxiv.org/abs/2409.02955
Autor:
Mateus, Pedro, Garst, Swier, Yu, Jing, Cats, Davy, Harms, Alexander G. J., Birhanu, Mahlet, Beekman, Marian, Slagboom, P. Eline, Reinders, Marcel, van der Grond, Jeroen, Dekker, Andre, Jansen, Jacobus F. A., Beran, Magdalena, Schram, Miranda T., Visser, Pieter Jelle, Moonen, Justine, Ghanbari, Mohsen, Roshchupkin, Gennady, Vojinovic, Dina, Bermejo, Inigo, Mei, Hailiang, Bron, Esther E.
Biological age scores are an emerging tool to characterize aging by estimating chronological age based on physiological biomarkers. Various scores have shown associations with aging-related outcomes. This study assessed the relation between an age sc
Externí odkaz:
http://arxiv.org/abs/2409.01235
Autor:
Ghanbari, Farnaz, Heydari, Abbas
In this article, we investigate the K\"ahler immersions of special Asymptotically Locally Euclidean (ALE) K\"ahler metrics into complex space forms. We provide a relation between K\"ahler immersions problem of these metrics and the sign of their mass
Externí odkaz:
http://arxiv.org/abs/2408.15551
The exact two-dimensional non-stationary solution for the evolution of the magnetic field during accretion with nearly spherical symmetry, using Newton's solution and considering both Keplerian and sub-Keplerian flows around the black hole (BH), has
Externí odkaz:
http://arxiv.org/abs/2408.08406
Autor:
Alikhani, Saeid, Ghanbari, Nima
Much has been written about the golden ratio $\phi=\frac{1+\sqrt{5}}{2}$ and this strange number appears mysteriously in many mathematical calculations. In this article, we review the appearance of this number in the graph theory. More precisely, we
Externí odkaz:
http://arxiv.org/abs/2407.15860
A subset of vertices $S$ of a graph $G$ is a dominating set if every vertex in $V \setminus S$ has at least one neighbor in $S$. A domatic partition is a partition of the vertices of a graph $G$ into disjoint dominating sets. The domatic number $d(G)
Externí odkaz:
http://arxiv.org/abs/2407.00103
Precision agriculture involves the application of advanced technologies to improve agricultural productivity, efficiency, and profitability while minimizing waste and environmental impact. Deep learning approaches enable automated decision-making for
Externí odkaz:
http://arxiv.org/abs/2405.07157
Let $G$ be a simple graph with vertex set $V(G) = \{v_1, v_2,\ldots, v_n\}$. The elliptic Sombor matrix of $G$, denoted by $A_{ESO}(G)$, is defined as the $n\times n$ matrix whose $(i,j)$-entry is $(d_i+d_j)\sqrt{d_i^2+d_j^2}$ if $v_i$ and $v_j$ are
Externí odkaz:
http://arxiv.org/abs/2404.18622
For a graph $G=(V,E)$, a set $D\subset V(G)$ is a strong dominating set of $G$, if for every vertex $x\in V (G)\setminus D$ there is a vertex $y\in D$ with $xy \in E(G)$ and $deg(x)\leq deg(y)$. A strong coalition consists of two disjoint sets of ver
Externí odkaz:
http://arxiv.org/abs/2404.11575
This paper presents a formula for $a$-number of certain maximal curves characterized by the equation $y^{\frac{q+1}{2}} = x^m + x$ over the finite field $\mathbb{F}_{q^2}$. $a$-number serves as an invariant for the isomorphism class of the $p$-torsio
Externí odkaz:
http://arxiv.org/abs/2404.08149