Postprocessing and higher order convergence of the mixed finite element approximations of biharmonic eigenvalue problems von Andreev, A.B., Lazarov, R.D., Racheva, M.R.

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Error Estimates for a Finite Volume Element Method for Elliptic PDEs in Nonconvex Polygonal Domains von P. Chatzipantelidis, Lazarov, R. D.

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Finite Volume Methods for Convection-Diffusion Problems von Lazarov, R. D., Mishev, Ilya D., Vassilevski, P. S.

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Some error estimates for the lumped mass finite element method for a parabolic problem von CHATZIPANTELIDIS, P., LAZAROV, R. D., THOMÉE, V.

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Least-Squares Mixed Finite Elements for Second-Order Elliptic Problems von Pehlivanov, A. I., Carey, G. F., Lazarov, R. D.

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Error estimates for a finite volume element method for parabolic equations in convex polygonal domains von Chatzipantelidis, P., Lazarov, R. D., Thomée, V.

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On nonnegativity preservation in finite element methods for subdiffusion equations von JIN, BANGTI, LAZAROV, RAYTCHO, THOMÉE, VIDAR, ZHOU, ZHI

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Parabolic finite element equations in nonconvex polygonal domains von CHATZIPANTELIDIS, P, LAZAROV, R. D, THOMEE, V, WAHLBIN, L. B

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Almost optimal interior penalty discontinuous approximations of symmetric elliptic problems on non-matching grids von LAZAROV, R. D, PASCIAK, J. E, SCHÖBERL, J, VASSILEVSKI, P. S

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Superconvergence of the Velocity Along the Gauss Lines in Mixed Finite Element Methods von Ewing, R. E., Lazarov, R. D., Wang, J.

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A finite volume element method for a non-linear elliptic problem von Chatzipantelidis, P., Ginting, V., Lazarov, R. D.

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A least-squares approach based on a discrete minus one inner product for first order systems von Bramble, James H., Lazarov, Raytcho D., Pasciak, Joseph E.

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Least-squares methods for linear elasticity based on a discrete minus one inner product von Bramble, James H., Lazarov, Raytcho D., Pasciak, Joseph E.

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Finite volume element approximations of nonlocal in time one-dimensional flows in porous media von EWING, R. E, LAZAROV, R. D, LIN, Y

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Finite Difference Schemes on Triangular Cell-Centered Grids with Local Refinement von Vassilevski, P. S, Petrova, S. I, Lazarov, R. D

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Adaptive techniques for time-dependent problems von Ewing, R.E., Lazarov, R.D., Vassilev, A.T.

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Least-squares for second-order elliptic problems von Bramble, James H., Lazarov, Raytcho D., Pasciak, Joseph E.

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Some error estimates for the finite volume element method for a parabolic problem von Chatzipantelidis, Panagiotis, Lazarov, Raytcho, Thomée, Vidar

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Superconvergence analysis of approximate boundary-flux calculations von PEHLIVANOV, A. I, LAZAROV, R. D, CAREY, G. F, CHOW, S. S

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Convergence analysis of least-squares mixed finite elements von PEHLIVANOV, A. I, CAREY, G. F, LAZAROV, R. D, SHEN, Y

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