Mathematics and Statistics-Research Publications
Recent Submissions
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Some exact solitons to the (2 + 1)-dimensional Broer�Kaup�Kupershmidt system with two different methods
(Springer, 2023-10-21)The exact solutions of the (2 + 1) dimensional Broer�Kaup�Kupershmidt (BKK) system which has been recommended to model the nonlinear and dispersive long gravity waves traveling along with the two horizontal directions in ... -
A Novel Bivariate Generalized Weibull Distribution with Properties and Applications
(Taylor and Francis Ltd., 2023-09-09)Univariate Weibull distribution is a well known lifetime distribution and has been widely used in reliability and survival analysis. In this paper, we introduce a new family of bivariate generalized Weibull (BGW) distributions, ... -
Continuous distributions
(Apple Academic Press, 2023-09-08) -
Stability analysis of neutral delay fractional differential equations with Erdelyi�Kober fractional integral boundary conditions
(Elsevier B.V., 2023-08-11)The primary focus of this article is to provide sufficient conditions for the Ulam�Hyers stability of neutral delay fractional differential equations involving Hilfer fractional derivatives and Erdelyi�Kober fractional ... -
A panel of blood-based circulatory miRNAs with diagnostic potential in patients with psoriasis
(Frontiers Media SA, 2023-08-28)Psoriasis is a chronic inflammatory skin disease with keratinocyte hyperproliferation and T cells as key mediators of lesional and systemic inflammatory changes. To date, no suitable differential biomarkers are available ... -
A Bivariate Teissier Distribution: Properties, Bayes Estimation and Application
(Springer, 2023-08-29)This article presents a bivariate extension of the Teissier distribution, whose univariate marginal distributions belong to the exponentiated Teissier family. Analytic expressions for the different statistical quantities ... -
A probabilistic generalization of the Bell polynomials
(Springer Science and Business Media B.V., 2023-09-06)Motivated by an interconnection between the probabilistic Stirling numbers of the second kind and the Bell polynomials studied by Adell and Lekuona (in J Number Theory 194:335�355, 2019), we present a probabilistic ... -
Modeling Bivariate Data Using Linear Exponential and Weibull Distributions as Marginals
(De Gruyter Open Ltd, 2023-08-04)Modeling bivariate data with different marginals is an important problem and have numerous applications in diverse disciplines. This paper introduces a new family of bivariate generalized linear exponential Weibull ... -
Transmission dynamics of a novel fractional model for the Marburg virus and recommended actions
(Springer Science and Business Media Deutschland GmbH, 2023-08-02)Marburg virus disease is a particularly virulent illness that causes hemorrhagic fever and has a fatality rate of up to 88%. It belongs to the same family of pathogens as the Ebola virus. The disease was first identified ... -
Conformal Anti-Invariant Riemannian Maps from or To Sasakian Manifolds
(Pleiades Publishing, 2023-07-12)Abstract: In this article, we introduce conformal anti-invariant Riemannianmaps from or to Sasakian manifolds to or from Riemannianmanifolds. We construct examples of such maps for justification.We study the geometry of ... -
Projectively Flat Finsler Spaces with Transformed Metrics
(Iranian Academic Center for Education, Culture and Research, 2023-08-02)In this paper, we consider some special Finsler spaces obtained via Randers-? change. First, we find the fundamental metric tensor and Cartan tensor of these metrics. Next, we establish a general formula for the inverse ... -
First Chen Inequality for General Warped Product Submanifolds of a Riemannian Space Form and Applications; [Premi�re in�galit� de Chen pour des produits tordus de sous-vari�t�s d�un espace forme riemannien et applications]
(ISTE Group, 2023-06-15)In this paper, the first Chen inequality is proved for general warped product submanifolds in Riemannian space forms, this inequality involves intrinsic invariants (?-invariant and sectional curvature) controlled by an ... -
Highly dispersive W�shaped and other optical solitons with quadratic�cubic nonlinearity: Symmetry analysis and new Kudryashov's method
(Elsevier Ltd, 2023-06-24)Lie symmetry analysis is utilized in this paper to explore the properties of highly dispersive optical solitons that exhibit quadratic�cubic self-phase modulation. The use of Lie symmetry analysis enables the reduction of ... -
General form of axially symmetric stationary metric: exact solutions and conservation laws in vacuum fields
(Institute of Physics, 2023-06-24)The invariant non-static solutions of Einstein�s vacuum field equations, corresponding to the most general form of axially symmetric stationary line element that represents a non conformally flat semi-Riemannian spacetime ... -
Existence Results of Langevin Equations with Caputo-Hadamard Fractional Operator
(Hindawi Limited, 2023-06-24)In this manuscript, we deal with a nonlinear Langevin fractional differential equation that involves the Caputo-Hadamard and Caputo fractional operators, with nonperiodic and nonlocal integral boundary conditions. The ... -
Impact of Economic Growth, Trade Openness, Urbanization and Energy Consumption on Carbon Emissions: A Study of India
(MDPI, 2023-06-02)(1) Background: Global warming is one of the most severe environmental problems humans are facing now. This study aims to assess the impacts of economic growth, trade openness, urbanization, and energy consumption on carbon ... -
Investigation of the Association of Serum Trace Elements Concentrations and Serum Biochemical Parameters with the Risk of Polycystic Ovary Syndrome: a Case�Control Study
(Springer, 2023-04-17)Polycystic ovary syndrome (PCOS) is a heterogeneous endocrinological syndrome characterized by hyperandrogenism of ovarian origin and is often considered a predisposing factor for metabolic disorders. The objective of the ... -
Gap Solitons in Fiber Bragg Gratings Having Polynomial Law of Nonlinear Refractive Index and Cubic�Quartic Dispersive Reflectivity by Lie Symmetry
(MDPI, 2023-04-24)The current paper recovers cubic�quartic optical solitons in fiber Bragg gratings having polynomial law of nonlinear refractive index structures. Lie symmetry analysis is carried out, starting with the basic analysis. Then, ... -
Invariant Bianchi type I cosmological models and conservation laws in f(R,T)=f1(R)+f2(R)f3(T) gravity
(Elsevier B.V., 2023-05-12)f(R,T) theory of gravity can explain the dark energy and the observed late time acceleration of the universe even without cosmological constant. It passes the solar system test and appears to be an alternative of dark ... -
Optical solitons for the concatenation model with Kurdryashov�s approaches
(Institute of Physical Optics, 2023-05-04)This paper implements two of Kudryashov�s approaches to extract optical soliton solutions to the concatenation model that is a conjunction of the nonlinear Schr�dinger�s equation, Lakshmanan�Porsezian�Daniel model, and the ...