[CvGmt News] Seminari Calcolo delle Variazioni
depascal at dm.unipi.it
depascal at dm.unipi.it
Sun Mar 8 20:59:14 CET 2009
Mercoledi' 11 marzo 2009
Ore 16,30, Sala riunioni, Dipartimento di Matematica
Prof. Massimo Gobbino (Univ. di Pisa)
Title: The Perona-Malik paradox
The Perona-Malik equation is the prototype of "forward-backward" parabolic equations. It is the formal gradient flow of an integral functional with non -convex integrand. From the analytic point of view one expect that an ill-posed problem. However numerical simulations presents an unexpected stability. This is known in the literature as "Perona-Malik paradox".
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