Dipartimento di Matematica ''F. Casorati''

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Wiener-type boundary estimates for elliptic and parabolic equations

Prof. Naian Liao, Chongqing University, Cina

Sala conferenze IMATI-CNR, Pavia - Martedì 23 Ottobre 2018 h.16:00

Abstract.  A beautiful geometric characterization of domains was established in the celebrate work of Norbert Wiener (1924) for the solvability of boundary value problem of harmonic functions.
In this talk, I will review some known results on Wiener's criterion for elliptic and parabolic equations. Estimates of modulus of continuity for solutions at the boundary will be given in terms of a Wiener-type integral, defined by a notion of capacity. In particular, some recent advances on such estimates for solutions to singular or degenerate parabolic equations will be reported.

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Dipartimento di Matematica ''F. Casorati''

Università degli Studi di Pavia - Via Ferrata, 5 - 27100 Pavia
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