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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 ...
It is shown that the Ritz projection onto spaces of piecewise linear finite elements is bounded in the Sobolev space, $\overset{\circ}{W}_p^1$, for $2 \leqslant p \leqslant \infty$. This implies that ...
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