Department of Mathematical Science: Recent submissions

Now showing items 101-120 of 151

Duality for a class of second order symmetric nondifferentiable fractional variational problems

Prasad, A.K.; Singh, A.P.; Khatri, S. (Faculty of Organizational Sciences, Belgrade, 2020-06-01)

The present work frames a pair of symmetric dual problems for second order nondifferentiable fractional variational problems over cone constraints with the help of support functions. Weak, strong and converse duality ...
Application of new strongly convergent iterative methods to split equality problems

Gautam, P.; Dixit, A.; Sahu, D.R.; Som, T. (Springer, 2020-09-01)

In this paper, we study the generalized problem of split equality variational inclusion problem. For this purpose, we introduced the problem of finding the zero of a nonnegative lower semicontinuous function over the common ...
Derivation of operational matrix of Rabotnov fractional-exponential kernel and its application to fractional Lienard equation

Kumar, S.; Gómez-Aguilar, J.F.; Lavín-Delgado, J.E.; Baleanu, D. (Elsevier B.V., 2020-10)

Our motive in this contribution is to find out the operational matrix of fractional derivative having non singular kernel namely Rabotnov fractional-exponential (RFE) kernel which is recently introduced and seeking numerical ...
Transportation of micro-polar fluid by dilating peristaltic waves

Pandey, S.K.; Chandra, S. (Elsevier B.V., 2020-10)

In this paper, we analytically investigate axi-symmetric flow of a micro-polar fluid induced by peristaltic waves with progressively dilating amplitude. By means of mathematical formulation we examine its impact on swallowing ...
Reduced-order anti-synchronization of the projections of the fractional order hyperchaotic and chaotic systems

Srivastava, Mayank; Agrawal, Saurabh K.; Das, Subir (Walter de Gruyter, 2013-09-30)

The article aims to study the reduced-order anti-synchronization between projections of fractional order hyperchaotic and chaotic systems using active control method. The technique is successfully applied for the pair of ...
On the Solution of the Nonlinear Fractional Diffusion-Wave Equation with Absorption

Mishra, Vivek; Vishal, Kumar; Das, Subir (Verlag der Zeitschrift fur Naturforschung, 2014-01-22)

In this article, the homotopy analysis method is used to obtain approximate analytic solutions of the time-fractional diffusion-wave equation with given initial conditions. A special effort has been given to show the effect ...
Acceleration waves in non-ideal magnetogasdynamics

Singh, R.; Singh, L.P.; Ram, S.D. (Ain Shams University, 2013-10-18)

The problem of propagation of acceleration waves in an unsteady inviscid non-ideal gas under the influence of magnetic field is investigated. The characteristic solution to the problem in the neighbourhood of leading ...
HOMOTOPY PERTURBATION METHOD FOR A STEFAN PROBLEM WITH VARIABLE LATENT HEAT

RAJEEV (Serbian Society of Heat Transfer Engineers, 2014)

In this paper, homotopy perturbation method is successfully applied to find an approximate solution of one phase Stefan problem with variable latent heat. The results thus obtained are compared graphically with a published ...
Bianchi types I and V bulk viscous fluid cosmological models in f(R, T ) gravity theory

Ram, Shri; Kumari, Priyanka (Versita, 2014-05-20)

In this paper we present non-singular Bianchi types I and V cosmological models, in the presence of bulk viscous fluid and within the framework of f(R,T) gravity theory. Exact solutions to the field equations are obtained ...
Finite Element Legendre Wavelet Galerkin Approch to Inward Solidification in Simple Body Under Most Generalized Boundary Condition

Yadava, Sarita; Kumar, Dinesh; Rai, Kabindra Nath (Verlag der Zeitschrift fur Naturforschung, 2014-09-10)

his paper deals with a mathematical model describing the inward solidification of a melt of phase change material within a container of different geometrical configuration like slab, circular cylinder or sphere under the ...
Chaos control of fractional order Rabinovich–Fabrikant system and synchronization between chaotic and chaos controlled fractional order Rabinovich–Fabrikant system

Srivastava, M.; Agrawal, S.K.; Vishal, K.; and et. al. (Elsevier Inc., 2013-12-27)

In this article the local stability of the Rabinovich-Fabrikant (R-F) chaotic system with fractional order time derivative is analyzed using fractional Routh-Hurwitz stability criterion. Feedback control method is used to ...
Boundary integral equation formulation for generalized thermoelastic diffusion – Analytical aspects

Semwal, Shweta; Mukhopadhyay, Santwana (Elsevier Inc., 2014-01-05)

The present work deals with the formulation of the boundary integral equations for the solution of equations under linear theory of generalized thermoelastic diffusion in a three-dimensional Euclidean space. A mixed ...
Flow Characteristics of Distinctly Viscous Multilayered Intestinal Fluid Motion

Pandey, S. K.; Chaube, M. K.; Tripathi, Dharmendra (IOS Press, 2015-03-10)

The goal of this investigation is to study the three layered (core layer, intermediate layer, and peripheral layer) tubular flow of power law fluids with variable viscosity by peristalsis in order to investigate the strength ...
Characterization of Wp-type of spaces involving fractional Fourier transform

Upadhyay, Santosh Kumar; Kumar, Anuj (Springer International Publishing, 2015)

The characterizations of Wp-type of spaces and mapping relations between W- and Wp-type of spaces are discussed by using the fractional Fourier transform. The uniqueness of the Cauchy problems is also investigated by using ...
On the decay of a sawtooth profile in non-ideal magneto-gasdynamics

Singh, L.P.; Gupta, R.K.; Nath, T. (Ain Shams University, 2014-11-28)

In the present paper, an asymptotic approach is used to analyse the main features of weakly nonlinear waves propagating in a compressible, inviscid, nonideal gas in the presence of magnetic field. An evolution equation, ...
Synchronization between non-autonomous hyperchaotc systems with uncertainties using active control method

Yadava, Vijay K.; Mishra, Prashant K.; Srivastava, Mayank; Agrawal, Saurabh K.; Mishra, Vivek (Elsevier B.V., 2016-03-22)

In this article authors have studied the synchronization between non-autonomous hyperchaotic systems viz., Liu and 4D hyperchaotic non-autonomous systems with parametric uncertainties using active control method. The ...
Fuzzy Soft Compact Topological Spaces

Mishra, Seema; Srivastava, Rekha (Hindawi Publishing Corporation, 2016-11-16)

In this paper, we have studied compactness in fuzzy soft topological spaces which is a generalization of the corresponding concept by R. Lowen in the case of fuzzy topological spaces. Several basic desirable results have ...
Fractional single-phase-lagging heat conduction model for describing anomalous diffusion

Mishra, T.N.; Rai, K.N. (Elsevier Ltd, 2016-02-23)

The fractional single-phase-lagging (FSPL) heat conduction model is obtained by combining scalar time fractional conservation equation to the single-phase-lagging (SPL) heat conduction model. Based on the FSPL heat conduction ...
Interaction between Interfacial Collinear Griffith Cracks in Composite Media under Thermal Loading

Mishra, P.K.; Das, S. (Walter de Gruyter GmbH, 2016-04-19)

This article deals with the interactions between a central crack and a pair of outer cracks situated at the interface of orthotropic elastic half planes under thermomechanical loading. The mixed boundary value problem has ...
Growth and Decay Behaviour of a Sawtooth Profile in Non-Ideal Gas

Singh, R.; Singh, L. P. (Springer, 2015-04-24)

In the present paper, the progressive wave approach is used to analyze the main features of weakly nonlinear waves propagating in a non-ideal gas. An evolution equation, which characterizes the wave process in the high ...

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