The Dirichlet Problem for the Total Variation Flow (2001)
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by
F. Andreu
,
C. Ballester
,
V. Caselles
,
J. M. Mazon
| Citations: | 13 - 7 self |
BibTeX
@MISC{Andreu01thedirichlet,
author = {F. Andreu and C. Ballester and V. Caselles and J. M. Mazon},
title = {The Dirichlet Problem for the Total Variation Flow},
year = {2001}
}
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Abstract
We introduce a new concept of solution for the Dirichlet problem for the total variational flow named entropy solution. Using Kruzhkov's method of doubling variables both in space and in time we prove uniqueness and a comparison principle in L¹ for entropy solutions. To prove the existence we use the nonlinear semigroup theory and we show that when the initial and boundary data are nonnegative the semigroup solutions are strong solutions.
