293 citations · 793 across the 29 of their papers we have counts for
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math.NA2012★ 21 cited
An exponential fitting scheme for general convection-diffusion equations on tetrahedral meshes
Raytcho D. Lazarov, Ludmil T. Zikatanov
This paper contains construction and analysis a finite element approximation for convection dominated diffusion problems with full coefficient matrix on general simplicial partitio…
math.NA2012
Some error estimates for the finite volume element method for a parabolic problem
P. Chatzipantelidis, R. D. Lazarov, V. Thomee
We study spatially semidiscrete and fully discrete finite volume element methods for the homogeneous heat equation with homogeneous Dirichlet boundary conditions and derive error e…
math.NA2012
Error estimates for a semidiscrete finite element method for fractional order parabolic equations
Bangti Jin, Raytcho Lazarov, Zhi Zhou
We consider the initial boundary value problem for the homogeneous time-fractional diffusion equation $\partial^α_t u - \De u =0$ () with initial condition a…