The object of this paper is a theoretical study of the convergence of approximation methods (Galerkin and finite difference methods) to compute eigenelements of a closed linear operator T in a Banach ...
SIAM Journal on Numerical Analysis, Vol. 57, No. 4 (2019), pp. 1897-1918 (22 pages) We study the spatial discretization of Westervelt's quasi-linear strongly damped wave equation by piecewise linear ...
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