SUNIL KUMAR

About

Associate Professor
Department of Mathematical Sciences
Indian Institute of Technology (BHU) Varanasi
Varanasi, Uttar Pradesh - 221005
India

Employment

• Indian Institute of Technology (BHU) Varanasi Associate Professor
  2022 - Present
• Indian Institute of Technology BHU Varanasi Assistant Professor
  2016 - 2022
• National Institute of Technology Delhi Assistant Professor
  2015 - 2016
• Max-Planck-Institut für Sonnensystemforschung Research Scientist
  2014 - 2015
• Universidade de Coimbra Postdoctoral Research Fellow
  2012 - 2014
• Indian Institute of Science Postdoctoral Research Fellow
  2012 - 2012

Education

• Indian Institute of Technology Delhi PhD
  2005 - 2012
• Indian Institute of Technology Roorkee M.Sc.
  2003 - 2005

Projects & Funding

Projects & funding information is unavailable.

Publications (86)

• An efficient numerical technique to solve 2D parabolic reaction-diffusion singularly perturbed interface problems
  Journal of Computational and Applied Mathematics 2027 0 citations DOI: 10.1016/j.cam.2026.117919
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• A fast two-grid ADI method for two-dimensional nonlinear time-fractional reaction-diffusion equations on fitted meshes
  Journal of Computational and Applied Mathematics 2027 0 citations DOI: 10.1016/j.cam.2026.117916
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• A fast higher order uniformly convergent method for semilinear parabolic singularly perturbed systems of convection diffusion type
  Mathematics and Computers in Simulation 2026 0 citations DOI: 10.1016/j.matcom.2026.06.007
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• A fast robust numerical method for singularly perturbed parabolic convection-diffusion systems with a non-smooth source term
  Computational and Applied Mathematics 2026 3 citations DOI: 10.1007/s40314-026-03654-z
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• Fitted Mesh-Based and SOE-Accelerated Alikhanov Compact ADI Schemes for Multi-Term and Distributed-Order 2D Time-Fractional Reaction-Diffusion Equations
  Journal of Scientific Computing 2026 0 citations DOI: 10.1007/s10915-026-03366-w
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• Efficient higher-order approximations for a nonlinear time-fractional biharmonic equation with initial singularity
  Journal of Applied Mathematics and Computing 2026 0 citations DOI: 10.1007/s12190-026-02810-2
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• A novel high-order approximation method for higher-dimensional time-fractional reaction-diffusion problems with weak initial singularity
  Computational Methods for Differential Equations 2025 DOI: 10.22034/cmde.2025.61994.2712
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• A high-order adaptive numerical method for boundary layer-originated nonlinear problems with non-local boundary condition
  International Journal of Applied Nonlinear Science 2025 0 citations DOI: 10.1504/ijans.2025.10074443
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• Analysis of an Efficient Parameter Uniform Domain Decomposition Approach for Singularly Perturbed Gierer-Meinhardt Type Nonlinear Coupled Systems of Parabolic Problems
  International Journal of Numerical Analysis and Modeling 2025 38 citations DOI: 10.4208/ijnam2025-1020
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• Efficient uniformly convergent numerical methods for singularly perturbed parabolic reaction–diffusion systems with discontinuous source term
  Journal of Applied Mathematics and Computing 2025 5 citations DOI: 10.1007/s12190-024-02340-9
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