Arab Journal of Mathematical Sciences: Volume 30 Issue 2 , Open Access

Clairaut anti-invariant submersions from Lorentzian trans-Sasakian manifolds

Mohd Danish Siddiqi, Sudhakar Kumar Chaubey, Aliya Naaz Siddiqui

The central idea of this research article is to examine the characteristics of Clairaut submersions from Lorentzian trans-Sasakian manifolds of type (α, β) and also, to enhance…

Conformal transformation of Douglas space of second kind with special (α, β)-metric

Rishabh Ranjan, P.N. Pandey, Ajit Paul

In this paper, the authors prove that the Douglas space of second kind with a generalised form of special (α, β)-metric F, is conformally invariant.

Almost Kenmotsu 3-h-metric as a cotton soliton

Dibakar Dey, Pradip Majhi

Cotton soliton is a newly introduced notion in the field of Riemannian manifolds. The object of this article is to study the properties of this soliton on certain contact metric…

Semiparametric tail-index estimation for randomly right-truncated heavy-tailed data

Saida Mancer, Abdelhakim Necir, Souad Benchaira

The purpose of this paper is to propose a semiparametric estimator for the tail index of Pareto-type random truncated data that improves the existing ones in terms of mean square…

Qualitative properties and approximate solutions of thermostat fractional dynamics system via a nonsingular kernel operator

M. Iadh Ayari, Sabri T.M. Thabet

This paper aims to study qualitative properties and approximate solutions of a thermostat dynamics system with three-point boundary value conditions involving a nonsingular kernel…

Classical solutions for the generalized Kadomtsev–Petviashvili I equations

Svetlin Georgiev, Aissa Boukarou, Keltoum Bouhali, Khaled Zennir

This paper is devoted to the generalized Kadomtsev–Petviashvili I equation. This study aims to propose a new approach for investigation for the existence of at least one global…

An analog of Titchmarsh's theorem for the Laguerre–Bessel transform

Larbi Rakhimi, Radouan Daher

Using a generalized translation operator, this study aims to obtain a generalization of Titchmarsh's theorem for the Laguerre–Bessel transform for functions satisfying the…

Determinantal polynomials and the base polynomial of a square matrix over a finite field

Edoardo Ballico

The author studies forms over finite fields obtained as the determinant of Hermitian matrices and use these determinatal forms to define and study the base polynomial of a square…

Structure theorem for Jordan algebra bundles

Ranjitha Kumar

The aims of this paper is to prove that every semisimple Jordan algebra bundle is locally trivial and establish the decomposition theorem for locally trivial Jordan algebra…