This paper deals with the numerical approximation of mild solutions of elliptic-parabolic equations, relying on the existence results of Bénilan and Wittbold (1996). We introduce a new and simple algorithm based on Halpern's iteration for nonexpansive operators (Bauschke, 1996; Halpern, 1967; Lions, 1977), which is shown to be convergent in the degenerate case, and compare it with existing schemes (Jäger and Kačur, 1995; Kačur, 1999).
@article{M2AN_2002__36_1_143_0, author = {Maitre, Emmanuel}, title = {Numerical analysis of nonlinear elliptic-parabolic equations}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique}, volume = {36}, year = {2002}, pages = {143-153}, doi = {10.1051/m2an:2002006}, mrnumber = {1916296}, zbl = {0998.65089}, language = {en}, url = {http://dml.mathdoc.fr/item/M2AN_2002__36_1_143_0} }
Maitre, Emmanuel. Numerical analysis of nonlinear elliptic-parabolic equations. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 36 (2002) pp. 143-153. doi : 10.1051/m2an:2002006. http://gdmltest.u-ga.fr/item/M2AN_2002__36_1_143_0/
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