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  1. No Access

    Article

    Multiple stability switches and Hopf bifurcation in an age structured prey-predator system: effects of maturation and cooperative hunting delay

    The classical prey-predator model assumes that prey species has no life history. But many species whose individuals have a life history with two classes, namely immature and mature. Since, immature prey can be...

    S. R. Sahu, S. N. Raw in Nonlinear Dynamics (2024)

  2. No Access

    Article

    Dynamical complexities with effect of additional food and harvesting in the time delay plankton-fish model

    In the present work, we have developed a plankton-fish model consisting time delay using functional response Holling type-II and linear harvesting. Two different additional foods are supplied to both the speci...

    S. N. Raw, S. R. Sahu in SeMA Journal (2023)

  3. No Access

    Article

    Parameter Uniform Numerical Methods for Singularly Perturbed Delay Differential Equation Involving Two Small Parameters

    This article deals with a singularly perturbed delay differential equation involving two small parameters. First, an upwind scheme is proposed on the fitted Shishkin mesh. The method is shown to be first order...

    S. R. Sahu, J. Mohapatra in International Journal of Applied and Computational Mathematics (2019)

  4. No Access

    Article

    Uniformly Convergent Numerical Method for Singularly Perturbed Two Parameter Time Delay Parabolic Problem

    This paper discusses the numerical solution of one dimensional parabolic convection–reaction–diffusion time delay problem with two small parameters. For the discretization of the time derivative, we use the im...

    L. Govindarao, J. Mohapatra, S. R. Sahu in International Journal of Applied and Compu… (2019)

  5. No Access

    Article

    A Robust Numerical Approach for Singularly Perturbed Third Order Boundary Value Problem on Layer Adapted Meshes

    In this article, a third order singularly perturbed boundary value problem has been taken into consideration. We have used finite difference scheme to discretize the problem, where the derivatives are approxim...

    S. R. Sahu, J. Mohapatra, L. Govindrao in International Journal of Applied and Compu… (2019)

  6. No Access

    Article

    Graphene–Metal Nanoparticle Hybrids: Electronic Interaction Between Graphene and Nanoparticles

    In the present investigation, graphene (G) and graphene decorated with Ag (Ag-G), Au (Au-G) metal nanoparticles as well as AuAg alloy (AuAg-G) nanoparticles (NPs) have been successfully synthesized via solutio...

    M. Manolata Devi, S. R. Sahu… in Transactions of the Indian Institute of Me… (2016)

  7. No Access

    Chapter and Conference Paper

    A CRO Based FLANN for Forecasting Foreign Exchange Rates Using FLANN

    The trend in financial trading shows a significant growth in recent years due to globalization in financial market. Foreign Exchange Rate in these days plays a crucial role in financial marketing. The trend of...

    K. K. Sahu, G. R. Biswal, P. K. Sahu… in Computational Intelligence in Data Mining … (2015)

  8. No Access

    Chapter and Conference Paper

    Hybrid CRO Based FLANN for Financial Credit Risk Forecasting

    Modern financial market has become capable enough to provide its services to a large number of customers simultaneously. On the other hand, the exponential hike in financial crises per year has uplifted the de...

    S. R. Sahu, D. P. Kanungo, H. S. Behera in Computational Intelligence in Data Mining … (2015)