Optimal Error Estimates for Linear Parabolic Problems with Discontinuous Coefficients. - Rajen Kumar Sinha; Bhupen Deka (SIAM J. Numer. Anal., 2005)

Some new error estimates of a semidiscrete finite volume element method for a parabolic integro-differential equation with nonsmooth initial data. - Rajen Kumar Sinha; Richard E. Ewing; Raytcho D. Lazarov (SIAM J. Numer. Anal., 2006)

Mixed Finite Element Approximations of Parabolic Integro-Differential Equations with Nonsmooth Initial Data. - Rajen Kumar Sinha; Richard E. Ewing; Raytcho D. Lazarov (SIAM J. Numer. Anal., 2009)

Finite element methods for second order linear hyperbolic interface problems. - Bhupen Deka; Rajen Kumar Sinha (Appl. Math. Comput., 2012)

A Posteriori Error Analysis of Two-Step Backward Differentiation Formula Finite Element Approximation for Parabolic Interface Problems. - Jhuma Sen Gupta; Rajen Kumar Sinha; G. Murali Mohan Reddy; Jinank Jain (J. Sci. Comput., 2016)

On the Crank-Nicolson anisotropic a posteriori error analysis for parabolic integro-differential equations. - G. Murali Mohan Reddy; Rajen Kumar Sinha (Math. Comput., 2016)

A posteriori error analysis of the Crank-Nicolson finite element method for linear parabolic interface problems: A reconstruction approach. - Jhuma Sen Gupta; Rajen Kumar Sinha; G. Murali Mohan Reddy; Jinank Jain (J. Comput. Appl. Math., 2018)

A Posteriori Error Analysis of the Crank-Nicolson Finite Element Method for Parabolic Integro-Differential Equations. - G. Murali Mohan Reddy; Rajen Kumar Sinha; José Alberto Cuminato (J. Sci. Comput., 2019)

Composite Finite Element Approximation for Parabolic Problems in Nonconvex Polygonal Domains. - Tamal Pramanick; Rajen Kumar Sinha (Comput. Methods Appl. Math., 2020)

Finite element method for parabolic optimal control problems with a bilinear state equation. - Pratibha Shakya; Rajen Kumar Sinha (J. Comput. Appl. Math., 2020)

A posteriori $$L^{ infty }(L^{ infty })$$-error estimates for finite-element approximations to parabolic optimal control problems. - Ram Manohar; Rajen Kumar Sinha (Comput. Appl. Math., 2021)

An adaptive finite element method for parabolic interface problems with nonzero flux jumps. - Tanushree Ray; Rajen Kumar Sinha (Comput. Math. Appl., 2021)

Finite Element Method for Fractional Parabolic Integro-Differential Equations with Smooth and Nonsmooth Initial Data. - Shantiram Mahata; Rajen Kumar Sinha (J. Sci. Comput., 2021)

A Posteriori Error Estimates for Parabolic Optimal Control Problems with Controls Acting on Lower Dimensional Manifolds. - Ram Manohar; Rajen Kumar Sinha (J. Sci. Comput., 2021)

Nonsmooth data optimal error estimates by energy arguments for subdiffusion equations with memory. - Shantiram Mahata; Rajen Kumar Sinha (Adv. Comput. Math., 2022)

Local a posteriori error estimates for boundary control problems governed by nonlinear parabolic equations. - Ram Manohar; Rajen Kumar Sinha (J. Comput. Appl. Math., 2022)

Local a Posteriori Error Analysis of Finite Element Method for Parabolic Boundary Control Problems. - Ram Manohar; Rajen Kumar Sinha (J. Sci. Comput., 2022)

A posteriori error estimation and adaptive mesh refinement for parabolic interface problems using non-conforming immersed finite element method. - Tanushree Ray; Rajen Kumar Sinha (J. Comput. Appl. Math., 2023)

ALRA: Adaptive Low-Rank Approximations for Neural Network Pruning. - Soumen Sinha; Rajen Kumar Sinha (COMPSAC, 2024)

Analysis for the space-time a posteriori error estimates for mixed finite element solutions of parabolic optimal control problems. - Pratibha Shakya; Rajen Kumar Sinha (Numer. Algorithms, 2024)

A new space transformed finite element method for elliptic interface problems in Rn. - Raghunath Bandha; Rajen Kumar Sinha (J. Comput. Appl. Math., 2025)

Adaptive SIPG method for approximations of boundary control problems governed by parabolic PDEs. - Ram Manohar; B. V. Rathish Kumar; Kedarnath Buda; Rajen Kumar Sinha (CoRR, 2025)

A discontinuous Galerkin pressure correction scheme for the Oldroyd model of order one. - Pratyay Mondal; Rajen Kumar Sinha (CoRR, 2025)