R. K. Mishra
YOU?
Author Swipe
View article: Financial burden of cancer in Nepal: Factors associated with annual cost and catastrophic health expenditure
Financial burden of cancer in Nepal: Factors associated with annual cost and catastrophic health expenditure Open
Background There is a dearth of comprehensive research on the financial burden of cancer in low-resource settings. This study aims to identify factors associated with annual cost of cancer care and catastrophic health expenditure as well a…
View article: Eig-PIELM: A Mesh-Free Approach for Efficient Eigen-Analysis with Physics-Informed Extreme Learning Machines
Eig-PIELM: A Mesh-Free Approach for Efficient Eigen-Analysis with Physics-Informed Extreme Learning Machines Open
In this work, a novel Eig-PIELM framework is proposed that extends physics-informed extreme learning machine for an efficient and accurate solution of linear eigenvalue problems. The method reformulates the governing differential equations…
View article: Association between out-of-pocket expenditure and health-related quality of life among patients receiving cancer treatment: a cross-sectional study from Nepal
Association between out-of-pocket expenditure and health-related quality of life among patients receiving cancer treatment: a cross-sectional study from Nepal Open
View article: Numerical and Statistical Insights into f (R, T ) Cosmology: GRP, RK4, and MLE Approaches
Numerical and Statistical Insights into f (R, T ) Cosmology: GRP, RK4, and MLE Approaches Open
This study explores the stability of an f (R, T) gravity-based cosmological model using perturbation techniques and numerical methods. Stability conditions are examined by analyzing the growth rate of small perturbations in density and pre…
View article: YaadVrutt: A Digital Solution for Memory Management and Cognitive Assistance
YaadVrutt: A Digital Solution for Memory Management and Cognitive Assistance Open
YaadVrutt: A Digital Solution for Memory Management and Cognitive Assistance is a mobile application designed to enhance the quality of life for individuals with memory-related challenges, particularly dementia patients. It fosters seamles…
View article: Exploring Advanced Curvature in Gravity and its Impact on the Expanding Universe
Exploring Advanced Curvature in Gravity and its Impact on the Expanding Universe Open
View article: Brans-Dicke vs F(T) Gravity: Comparative Insights into Modi Ed Gravitational Theories
Brans-Dicke vs F(T) Gravity: Comparative Insights into Modi Ed Gravitational Theories Open
View article: A Statistical Validation of Sb Theory in Multidimensional Spacetime Via Mle Approach
A Statistical Validation of Sb Theory in Multidimensional Spacetime Via Mle Approach Open
View article: Comparative Study of Linear & Non-linear Gravity Models in Bianchi Type-III Space-Time
Comparative Study of Linear & Non-linear Gravity Models in Bianchi Type-III Space-Time Open
In this study, we explore the dynamics of Bianchi type-III space-time within the framework of gravity, focusing on both linear and non-linear forms of function. We analyze the behavior of cosmological parameters by assuming the deceleratio…
View article: Fractional Quadratic Deceleration Parameter (FQDP): Observational and Theoretical Perspectives
Fractional Quadratic Deceleration Parameter (FQDP): Observational and Theoretical Perspectives Open
This study explore the dynamics of cosmic expansion through a detailed exploration of a novel form of the deceleration parameter, denoted as q = α(t 2−1) t 2+1 , within the framework of f(R,T) gravity theory. This study employs both observ…
View article: Investigating the Bianchi IX universe within Brans Dicke theory & a novel deceleration parameter.
Investigating the Bianchi IX universe within Brans Dicke theory & a novel deceleration parameter. Open
In the present paper, we have presented the cosmological model in Brans-Dicke theory (BDT) of gravity for a Bianchi type-IX space-time. We obtained the exact solutions of the field equations by applying the new form of deceleration paramet…
View article: Certain investigations of linear, fractional varying DP within the framework of f(R, T) gravity
Certain investigations of linear, fractional varying DP within the framework of f(R, T) gravity Open
This communication aims to discuss the interplay between cosmic acceleration and deceleration in the context of the f(R, T ) theory, along with different forms of deceleration parameters. The study encompasses the evolution of the universe…
View article: The Relationship Between Outer Space Activities And Intellectual Property Laws
The Relationship Between Outer Space Activities And Intellectual Property Laws Open
Up until 1957, space travel was largely unknown to humans. Before then, it was beyond their grasp. By launching Sputnik-I, an uncrewed spacecraft, into space in October 1957, the USSR became the first nation to explore space. Next year, th…
View article: Beyond General Relativity: F(T) Gravity and Evolving Cosmos
Beyond General Relativity: F(T) Gravity and Evolving Cosmos Open
View article: Cosmological model in f(R, T) theory with time-varying FLVDP
Cosmological model in f(R, T) theory with time-varying FLVDP Open
In this communication, we have explored spatially homogeneous, anisotropic Bianchi-II space-time in f(R, T) theory of gravity. Here, we have obtained an explicit solution of the field equations of f(R, T) theory with time dependent fractio…
View article: Cosmological models with variable parameters
Cosmological models with variable parameters Open
The present study deals with the investigation of the Friedmann-Lemaitre-Robertson-Walker models (often FLRW-models) with time varying G and ∧ in the framework of General theory of Relativity. The Einstein field equations have been solved …
View article: Study in Bianchi-IX space time with linear dependencies on R & T with gravity
Study in Bianchi-IX space time with linear dependencies on R & T with gravity Open
This communication involves the exploration of Bianchi-IX spacetime with linear dependencies on the Ricci scale, denoted as , and the trace of the energy-momentum tensor, referred to as . This implies a modified gravity theory described by…
View article: Dynamics of the Universe with Variable Parameters that Govern the Gravitational Interactions
Dynamics of the Universe with Variable Parameters that Govern the Gravitational Interactions Open
The present study investigates the Friedmann-Lemaitre-Robertson-Walker models (often FLRW models) with time varying and in the general theory of relativity. In this communication the Einstein field equations have been solved by considering…
View article: Dynamics of Bianchi type-I universe in Brans-Dicke gravity
Dynamics of Bianchi type-I universe in Brans-Dicke gravity Open
This study investigates Bianchi type-I cosmological model in Brans-Dicke theory of gravity. The present accelerated expansion of the universe has been described using bilinear varying deceleration parameter, q=γ−ηt1+ηt; with γ and η as pos…
View article: Corporate Governance: Trends and Challenges
Corporate Governance: Trends and Challenges Open
View article: Bianchi type-III String Cosmological Models in Brans-Dicke Theory of Gravity
Bianchi type-III String Cosmological Models in Brans-Dicke Theory of Gravity Open
A Bianchi type-III string cosmological models is investigated in scalar-tensor Brans-Dicke theory of gravity (Phys.Rev. 124, 925, 1961).For an exact solution of modified Einstein 's field equations (EFEs), we assumed time varying nature of…
View article: Viscous string cosmological models in alternative theory of gravity
Viscous string cosmological models in alternative theory of gravity Open
In present communication, the Bianchi type-III, viscous string cosmological models have been investigated in scalar-tensor Brans-Dicke gravity. To obtain an exact solution of the Einstein field equations (EFE), it is assumed that the visco…
View article: Bianchi-III Cosmological Model in Saez-Ballester Theory of Gravity with BVDP
Bianchi-III Cosmological Model in Saez-Ballester Theory of Gravity with BVDP Open
In present communication an exact solution of modified EFE (Einstein's field equations) for spatially homogeneous and anisotropic Bianchi type-III space-time have been investigated in scalar-tensor Saez-Ballester theory of gravity (Phys. L…
View article: Cosmological Model with BVDP in f(R,T) Gravity Theory
Cosmological Model with BVDP in f(R,T) Gravity Theory Open
In this communication, we have examined the time dependence of the cosmological constant Λ and gravitational constant G by considering spatially homogeneous and anisotropic Bianchi type-I space-time in modified f(R,T) gravity theory along …
View article: String Cosmological Models in Alternative Theory of Gravity
String Cosmological Models in Alternative Theory of Gravity Open
In the present communication, we have investigated Bianchi type-III string cosmological models in Brans-Dicke theory (BD) of gravity. For an exact solution of modified Einstein’s field equations (EFEs), we have considered that the decelera…
View article: Cosmological Model with Bilinear Deceleration Parameter
Cosmological Model with Bilinear Deceleration Parameter Open
The study of cosmological models with time dependent DP (deceleration parameter) is one of the important topics of research in these days. After publishing the research findings regarding the accelerating expansion of the universe by Perlm…