2022
DOI: 10.5802/crmath.308
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Finite element error estimates for a mixed degenerate parabolic model

Abstract: The aim of this note is to deduce error estimates for a fully-discrete finite element method approximation of a kind of degenerate mixed parabolic equations. The obtained results consider regularity assumptions about the main variable according to the degenerate character of the problem, given by the term involving the time-derivative, which is represented with a non-invertible linear operator R. We show two different approaches to obtain the error estimates. The first one needs to introduce an extension opera… Show more

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