Browsing Department of Mathematics and Statistics by Title
Now showing items 21-40 of 208
-
Conservation laws and series solutions of variable coefficient time fractional Kawahara equation
(Taylor and Francis Ltd., 2021-04-17)This paper investigates explicit power series solutions and conservation laws of variable coefficient time fractional Kawahara equation with Riemann�Liouville derivative which describs oscillatory solitary wave propagation ... -
Conservation laws for certain time fractional nonlinear systems of partial differential equations
(Elsevier B.V., 2017)In this study, an extension of the concept of nonlinear self-adjointness and Noether operators is proposed for calculating conserved vectors of the time fractional nonlinear systems of partial differential equations. In ... -
Conservation Laws of Einstein�s Field Equations for Pure Radiation Fields
(Springer Science and Business Media Deutschland GmbH, 2020-09-30)In the present paper, conservation laws of some of Einstein�s field equations are�obtained. Two methods are used to obtain conservation�laws. Firstly, direct method via multiplier approach is used and then, new conservation ... -
Constant curvature conditions for generalized kropina spaces
(RAMANUJAN SOCIETY OF MATHEMATICS AND MATHEMATICAL SCIENCES, 2021-03-01)The classification of Finsler spaces of constant curvature is an interesting and important topic of research in differential geometry. In this paper we obtain necessary and sucient conditions for generalized Kropina space ... -
Continuous distributions
(Apple Academic Press, 2023-09-08) -
Controllability of neutral impulsive fractional differential equations with Atangana-Baleanu-Caputo derivatives
(Elsevier Ltd, 2021-07-03)In this article, we aim to establish the controllability results for fractional differential equations of neutral type with Atangana-Baleanu-Caputo derivatives. We develop these results with the help of the theory of ... -
COVID-19 vaccine hesitancy and emerging variants: Evidence from six countries
(MDPI, 2021-10-29)As the world tries to cope with the devastating effects of the COVID-19 pandemic and emerging variants of the virus, COVID-19 vaccination has become an even more critical tool toward normalcy. The effectiveness of the ... -
A cross-sectional study on prevalence of menstrual problems, lifestyle, mental health, and PCOS awareness among rural and urban population of Punjab, India
(Taylor and Francis Ltd., 2021-08-27)Introduction: Menstrual cycle gets affected by various modifiable risk factors. To assess prevalence of various types of menstrual problems, lifestyle and mental health status, identification of variables as predictors for ... -
Cryptanalysis and Improved Image Encryption Scheme Using Elliptic Curve and Affine Hill Cipher
(MDPI, 2022-10-20)In the present era of digital communication, secure data transfer is a challenging task in the case of open networks. Low-key-strength encryption techniques incur enormous security threats. Therefore, efficient cryptosystems ... -
Cubic-Quartic Optical Solitons in Fiber Bragg Gratings with Dispersive Reflectivity Having Parabolic Law of Nonlinear Refractive Index by Lie Symmetry
(MDPI, 2022-11-11)This work recovers cubic-quartic optical solitons with dispersive reflectivity in fiber Bragg gratings and parabolic law of nonlinearity. The Lie symmetry analysis first reduces the governing partial differential equations ... -
Cubic-quartic optical solitons with Kudryashov's law of refractive index by Lie symmetry analysis
(Elsevier GmbH, 2021-05-29)In this work, Kudryashov's equation with third-order dispersion and fourth-order dispersion was studied via Lie symmetry analysis. First, similarity transformation helps us to converted governing equation into a system of ... -
Cubic�Quartic Optical Soliton Perturbation with Differential Group Delay for the Lakshmanan�Porsezian�Daniel Model by Lie Symmetry
(MDPI, 2022-01-26)This paper employs Lie symmetry analysis to recover cubic�quartic optical soliton solutions to the Lakshmanan�Porsezian�Daniel model in birefringent fibers. The results are a sequel to the previously reported work on the ... -
Cubic�quartic optical solitons in fiber Bragg gratings with Kerr law of nonlinearity and dispersive reflectivity by Lie symmetry
(Elsevier GmbH, 2022-09-12)The present study derives cubic�quartic optical solitons in fiber Bragg gratings having Kerr law of nonlinearity along with dispersive reflectivity. The Lie symmetry analysis collapses the coupled partial differential ... -
A diagnostic and prognostic value of blood-based circulating long non-coding RNAs in thyroid, pancreatic and ovarian cancer
(Elsevier Ireland Ltd, 2022-01-13)Several studies have demonstrated the potential of circulating long non-coding RNAs (lncRNAs) as promising cancer biomarkers. Herein, we addressed the regulatory role of circulating lncRNAs and their potential value as ... -
Different analytical approaches for finding novel optical solitons with generalized third-order nonlinear Schr�dinger equation
(Elsevier B.V., 2021-08-29)In this paper, we looked into the generalized third-order nonlinear Schr�dinger equation (NLSE). This model has a wide range of applications, including ultra-short pulses in optical fibers. Different analytical approaches ... -
Dispersion analysis and improved F-expansion method for space–time fractional differential equations
(Springer, 2019)In this article, an improved F-expansion method with the Riccati equation is suggested for space–time fractional differential equations for exact solutions. The fractional complex transformation is used to convert the ... -
Dispersion analysis and improved F-expansion method for space–time fractional differential equations
(Springer Netherlands, 2019)In this article, an improved F-expansion method with the Riccati equation is suggested for space-time fractional differential equations for exact solutions. The fractional complex transformation is used to convert the ... -
Doubly periodic wave structure of the modified Schr�dinger equation with fractional temporal evolution
(Elsevier B.V., 2022-01-01)Abundant Jacobi elliptic type solutions with distinct physical structures of complex nonlinear conformable time-fractional modified Schr�dinger equation are obtained by using the generalized Jacobi elliptic function (GJEF) ... -
Dynamics of cholera disease by using two recent fractional numerical methods
(Mehmet Yavuz, 2021-12-22)In this paper, we simulate an epidemic model of cholera disease in the sense of generalized Liouville-Caputo fractional derivative. We provide the results related to the existence of a unique solution by using some well-known ... -
Embedded Solitons and Conservation Law with χ (2) and χ (3) Nonlinear Susceptibilities
(2017)This paper studies embedded solitons that are confined to continuous spectrum, with χ (2) and χ (3) nonlinear susceptibilities. Bright and singular soliton solutions are obtained by the method of undetermined coefficient ...