Shakya, Pratibha; Sinha, Rajen Kumar A priori error estimates for finite element discretizations of parabolic optimal control problems with measure data. (English) Zbl 1430.49029 Numer. Funct. Anal. Optim. 41, No. 2, 158-191 (2020). MSC: 49K20 65N15 65N30 PDFBibTeX XMLCite \textit{P. Shakya} and \textit{R. K. Sinha}, Numer. Funct. Anal. Optim. 41, No. 2, 158--191 (2020; Zbl 1430.49029) Full Text: DOI
Gupta, Jhuma Sen; Sinha, Rajen Kumar A posteriori error estimates for lumped mass finite element method for linear parabolic problems using elliptic reconstruction. (English) Zbl 1387.65105 Numer. Funct. Anal. Optim. 38, No. 12, 1527-1547 (2017). MSC: 65M60 65M15 65N15 PDFBibTeX XMLCite \textit{J. S. Gupta} and \textit{R. K. Sinha}, Numer. Funct. Anal. Optim. 38, No. 12, 1527--1547 (2017; Zbl 1387.65105) Full Text: DOI
Tripathy, Madhusmita; Sinha, Rajen Kumar Superconvergence of \(H ^{1}\)-Galerkin mixed finite element methods for second-order elliptic equations. (English) Zbl 1253.65173 Numer. Funct. Anal. Optim. 33, No. 3, 320-337 (2012). Reviewer: Zhiming Chen (Beijing) MSC: 65N12 65N30 65N15 35J25 PDFBibTeX XMLCite \textit{M. Tripathy} and \textit{R. K. Sinha}, Numer. Funct. Anal. Optim. 33, No. 3, 320--337 (2012; Zbl 1253.65173) Full Text: DOI
Deka, Bhupen; Sinha, Rajen K. \(L^\infty (L^2)\) and \(L^\infty (H^1)\) norms error estimates in finite element method for linear parabolic interface problems. (English) Zbl 1215.65150 Numer. Funct. Anal. Optim. 32, No. 3, 267-285 (2011). Reviewer: Ruxandra Stavre (Bucureşti) MSC: 65M15 65M60 65F10 65M20 35K20 35R05 PDFBibTeX XMLCite \textit{B. Deka} and \textit{R. K. Sinha}, Numer. Funct. Anal. Optim. 32, No. 3, 267--285 (2011; Zbl 1215.65150) Full Text: DOI
Sinha, Rajen Kumar; Deka, Bhupen On the convergence of finite element method for second order elliptic interface problems. (English) Zbl 1093.65105 Numer. Funct. Anal. Optimization 27, No. 1, 99-115 (2006). Reviewer: Gerald W. Hedstrom (Pleasanton) MSC: 65N12 65N30 65N15 35J25 PDFBibTeX XMLCite \textit{R. K. Sinha} and \textit{B. Deka}, Numer. Funct. Anal. Optim. 27, No. 1, 99--115 (2006; Zbl 1093.65105) Full Text: DOI
Sinha, Rajen K.; Pani, Amiya K.; Chung, Sang K. The effect of spatial quadrature on the semidiscrete finite element Galerkin method for a strongly damped wave equation. (English) Zbl 1027.65133 Numer. Funct. Anal. Optimization 24, No. 3-4, 311-325 (2003). Reviewer: Qin Mengzhao (Beijing) MSC: 65M60 65M20 65M15 35L05 PDFBibTeX XMLCite \textit{R. K. Sinha} et al., Numer. Funct. Anal. Optim. 24, No. 3--4, 311--325 (2003; Zbl 1027.65133) Full Text: DOI
Sinha, R. K.; Pani, A. K. The effect of spatial quadrature on finite element Galerkin approximations to hyperbolic integro-differential equations. (English) Zbl 0940.65156 Numer. Funct. Anal. Optimization 19, No. 9-10, 1129-1153 (1998). Reviewer: S.Zabek (Lublin) MSC: 65R20 45K05 PDFBibTeX XMLCite \textit{R. K. Sinha} and \textit{A. K. Pani}, Numer. Funct. Anal. Optim. 19, No. 9--10, 1129--1153 (1998; Zbl 0940.65156) Full Text: DOI