Prof. Ram Jiwari

Department of Mathematics,

Indian Institute of Technology Roorkee, India

Email: [email protected]

Qualifications

2010 Ph.D in Mathematics, IIT Roorkee, India
2005 MSc., Kurukshetra University, India

Publications (Selected)

1. Ajeet Singh and Ram Jiwari , Rigorous HHO Optimal Error Estimates and Simulation of FitzHugh-Nagumo Model, Journal of Scientific Computing, 105, 89 (2025). (IF: 3.3)
2. Ankur, Ram Jiwari and A. Narayan, Conformal Finite Element Methods for nonlinear Rosenau-Burgers-biharmonic models, Journal of Scientific Computing, 104, 86 (2025). (IF: 3.3)
3. Naresh Kumar, Jasbir Singh and Ram Jiwari An ADI type operator splitting WG-FEM for 2D nonlinear unsteady singularly perturbed problem, Numerical Algorithms, (2025) doi.org/10.1007/s11075-025-02061-5. (IF: 1.7)
4. N. Kumar, Ajeet Singh, Ram Jiwari and J. Y. Yuan, Error estimates with polynomial growth O(ε^(-1)) for the HHO method on polygonal meshes of the Allen-Cahn model, Applied Numerical Mathematics, 211 (2025), 78-102. (IF: 2.8)
5. Jasbir Singh, Naresh Kumar and Ram Jiwari, A High-Order Numerical Method for Semilinear Convection–Diffusion Equation on Bakhvalov-type Mesh, Mathematical Methods in the Applied Sciences, (2025) doi.org/10.1002/mma.10904. (IF: 2.1)
6. Ajeet Singh, H. M. Cheng, Naresh Kumar and Ram Jiwari, A high order numerical method for analysis and simulation of 2D semilinear Sobolev model on polygonal meshes, Mathematics and Computers in Simulation, 227(2025) 241-262 (IF: 4.4)
7. Jasbir Singh, Naresh Kumar, Ram Jiwari, A robust weak Galerkin finite element method for two parameter singularly perturbed parabolic problems on nonuniform meshes, Journal of Computational Science, 77 (2024) 102241 (IF 3.3)
8. Ankur and Ram Jiwari, A new error estimates of finite element method for (2+1)-dimensional nonlinear advection-diffusion model, Applied Numerical Mathematics, 198 (2024) 22-42 (IF: 2.8).
9. Naresh Kumar, Şuayip Toprakseven and Ram Jiwari, A numerical method for singularly perturbed convection-diffusion-reaction equations on polygonal meshes, Computational and Applied Mathematics, 43 (44) (2024) (IF: 2.6).
10. Ram Jiwari, Naresh Kumar and Jasbir Singh, Convergence Analysis of Weak Galerkin Finite Element Method for Semilinear Parabolic Convection Dominated Diffusion Equations on Polygonal Meshes, Computers and Mathematics with Applications, 145 (2023) 141-158. (IF: 3.218).
11. Ankur and Ram Jiwari, New multiple analytic solitonary solutions and simulation of (2+1)-dimensional generalized Benjamin-Bona-Mahony-Burgers model, Nonlinear Dynamics, 111 (2023)13297-13325. (IF: 5.741)
12. Ankur, Ram Jiwari, Naresh Kumar, Analysis and simulation of Korteweg-de Vries-Rosenau-regularised long-wave model via Galerkin finite element method, Computers & Mathematics with Applications, 135 (2023) 134-148. (IF: 3.218)
13. Vikas Kumar, Ram Jiwari, AR Djurayevich, MU Khudoyberganov, Hyperbolic (2+ 1)-dimensional Schrödinger equation: Similarity analysis, Optimal system and complexitons for the one-parameter group of rotations, Communications in Nonlinear Science and Numerical Simulation, 115 (2022) 106784. (IF: 4.186)
14. Ram Jiwari, Local radial basis function-finite difference based algorithms for singularly perturbed Burgers’ model, Mathematics and Computers in Simulation, 198, (2022) 106-126. (IF: 3.601)
15. R. C. Mittal, Sudhir Kumar and Ram Jiwari, A cubic B-spline quasi-interpolation algorithm to capture the pattern formation of coupled reaction diffusion models, Engineering with Computers, 38 (2022) 1375-1391. (IF: 8.083)

Profile Details

https://scholar.google.com/citations?user=lSX3PyIAAAAJ&hl=en

https://www.researchgate.net/profile/Ram-Jiwari