| Numerical solution of singularly perturbed parabolic convection-diffusion- reaction problems with two small parameters P Das, V Mehrmann BIT Numerical Mathematics 56, 51-76, 2016 | 128 | 2016 |
| Numerical treatment of two-parameter singularly perturbed parabolic convection diffusion problems with non smooth data M Chandru, P Das, H Ramos Mathematical Methods in the Applied Sciences 41, 5359-5387, 2018 | 119 | 2018 |
| Comparison of a priori and a posteriori meshes for singularly perturbed nonlinear parameterized problems P Das Journal of Computational and Applied Mathematics 290, 16-25, 2015 | 112 | 2015 |
| A higher order difference method for singularly perturbed parabolic partial differential equations P Das Journal of Difference Equations and Applications 24 (3), 452–477, 2018 | 99 | 2018 |
| An a posteriori based convergence analysis for a nonlinear singularly perturbed system of delay differential equations on an adaptive mesh P Das Numerical Algorithms 81, 465-487, 2019 | 87 | 2019 |
| A numerical method for solving boundary and interior layers dominated parabolic problems with discontinuous convection coefficient and source terms M Chandru, T Prabha, P Das, V Shanthi Differential Equations and Dynamical Systems, doi:10.1007/s12591-017-0385-3, 2017 | 81 | 2017 |
| Parameter uniform optimal order numerical approximation of a class of singularly perturbed system of reaction diffusion problems involving a small perturbation parameter P Das, J Vigo-Aguiar Journal of Computational and Applied Mathematics, 2017 | 80 | 2017 |
| A perturbation based approach for solving fractional order Volterra-Fredholm integro differential equations and its convergence analysis P Das, S Rana, H Ramos International Journal of Computer Mathematics, 1994-2014, 2020 | 78 | 2020 |
| Optimal error estimate using mesh equidistribution technique for singularly perturbed system of reaction–diffusion boundary-value problems P Das, S Natesan Applied Mathematics and Computation 249, 265-277, 2014 | 77 | 2014 |
| Higher order accurate approximations on equidistributed meshes for boundary layer originated mixed type reaction diffusion systems with multiple scale nature P Das, S Rana, J Vigo-Aguiar Applied Numerical Mathematics 148, 79-97, 2020 | 75 | 2020 |
| Homotopy perturbation method for solving Caputo type fractional order Volterra‐Fredholm integro‐differential equations P Das, S Rana, H Ramos Computational and Mathematical Methods, 2019 | 63 | 2019 |
| On the approximate solutions of a class of fractional order nonlinear Volterra integro-differential initial value problems and boundary value problems of first kind and their … P Das, S Rana, H Ramos Journal of Computational and Applied Mathematics 404 (113116), 2022 | 60 | 2022 |
| A uniformly convergent hybrid scheme for singularly perturbed system of reaction-diffusion Robin type boundary-value problems P Das, S Natesan Journal of Applied Mathematics and Computing 41 (1-2), 447-471, 2013 | 59 | 2013 |
| Higher order parameter uniform convergent schemes for Robin type reaction diffusion problems using adaptively generated grid P Das, S Natesan International Journal of Computational Methods 9 (04), 2012 | 56 | 2012 |
| A graded mesh refinement approach for boundary layer originated singularly perturbed time-delayed parabolic convection diffusion problems K Kumar, P Chakrabarty, P Das, H Ramos Mathematical Methods in the Applied Sciences, 2021 | 52 | 2021 |
| A moving mesh refinement based optimal accurate uniformly convergent computational method for a parabolic system of boundary layer originated reaction diffusion problems with … D Shakti, J Mohapatra, P Das, J Vigo-Aguiar Journal of Computational and Applied Mathematics 404 (113167), 2022 | 51 | 2022 |
| Theoretical Prospects of the Solutions of Fractional Order Weakly Singular Volterra Integro Differential Equations and their Approximations with Convergence Analysis P Das, S Rana Mathematical Methods in the Applied Sciences, 2021 | 46* | 2021 |
| Richardson extrapolation method for singularly perturbed convection-diffusion problems on adaptively generated mesh P Das, S Natesan CMES Comput. Model. Eng. Sci 90 (6), 463-485, 2013 | 43 | 2013 |
| Adaptive mesh generation for singularly perturbed fourth-order ordinary differential equations P Das, S Natesan International Journal of Computer Mathematics 92 (3), 562-578, 2015 | 40 | 2015 |
| Numerical solution of a system of singularly perturbed convection-diffusion boundary-value problems using mesh equidistribution technique P Das, S Natesan Australian Journal of Mathematical Analysis and Applications 10 (1), 1-17, 2013 | 32 | 2013 |
Subrata RanaAssistant ProfessorVerified email at iitp.ac.in
