L. G. Rao and J. Mohapatra,"A numerical scheme to solve mixed parabolic-elliptic problem involving singular perturbation", INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, Taylor & Francis 2022, 10.1080/00207160.2022.2037131       Article

S. Priyadarshana, J. Mohapatra, and S. R. Pattanaik,"Parameter uniform optimal order numerical approximations for time-delayed parabolic convection diffusion problems involving two small parameters", Computational and Applied Mathematics, vol.41, no.6, pp.233, Springer, September 2022, 10.1007/s40314-022-01928-w       Article

S. Santra and J. Mohapatra,"An efficient computational approach for the solution of time-space fractional diffusion equation", International Journal of Modelling and Simulation, Taylor & Francis, June 2022, 10.1080/02286203.2022.2085976       Article

S. Santra and J. Mohapatra,"A novel finite difference technique with error estimate for time fractional partial integro-differential equation of Volterra type", Journal of Computational and Applied Mathematics, vol.400, pp.113746, Elsevier, January 2022, 10.1016/j.cam.2021.113746       Article

S. Santra and J. Mohapatra,"Analysis of a finite difference method based on L1 discretization for solving multi-term fractional differential equation involving weak singularity", Mathematical Methods in the Applied Sciences, vol.45, no.11, pp.6677-6690, Wiley, March 2022, 10.1002/mma.8199       Article

J. Mohapatra and L. G. Rao,"A fourth order optimal numerical approximation and its convergence for singularly perturbed time delayed parabolic problems", Iranian Journal of Numerical Analysis and Optimization, vol.12, no.22, pp.250-276, Ferdowsi University of Mashhad, September 2022, 10.22067/ijnao.2021.71891.1053       Article

J. Mohapatra and A. Panda,"A comparative study on some semi-analytical methods for the solutions of fractional partial integro-differential equations", Fractional Differential Calculus, vol.12, no.2, pp.223-233, Ele-Math, August 2022, 10.7153/fdc-2022-12-14       Article

S. Priyadarshana, S. R. Sahu, and J. Mohapatra,"Asymptotic and numerical methods for solving singularly perturbed differential difference equations with mixed shifts", Iranian Journal of Numerical Analysis and Optimization, vol.12, no.21, pp.55-72, Ferdowsi University of Mashhad, March 2022, 10.22067/IJNAO.2021.70731.1038       Article

S. R. Sahu and J. Mohapatra,"Numerical investigation for solutions and derivatives of singularly perturbed initial value problems", International Journal of Mathematical Modelling and Numerical Optimisation, Inderscience 2021, 10.1504/IJMMNO.2021.114480       Article

P. Mushahary, S. R. Sahu, and J. Mohapatra,"Spline approximation method for singularly perturbed differential-difference equation on nonuniform grids", International Journal of Modeling, Simulation, and Scientific Computing, vol.12, no.1, pp.2150005, Inderscience, January 2021, 10.1142/S1793962321500057       Article