SECOND ORDER VARIATIONAL HEURISTICS FOR THE MONGE PROBLEM ON COMPACT MANIFOLDS

Philippe Delanoë 1
1 Géométrie et Analyse
JAD - Laboratoire Jean Alexandre Dieudonné
Abstract : We consider Monge's optimal transport problem posed on compact manifolds (possibly with boundary) for a lower semi-continuous cost function $c$. When all data are smooth and the given measures, positive, we restrict the total cost ${\cal C}$ to diffeomorphisms. If a diffeomorphism is stationary for ${\cal C}$, we know that it admits a potential function. If it realizes a local minimum of ${\cal C}$, we prove that the $c$-Hessian of its potential function must be non-negative, positive if the cost function $c$ is non degenerate. If $c$ is generating non-degenerate, we reduce the existence of a local minimizer of ${\cal C}$ to that of an elliptic solution of the Monge--Ampére equation expressing the measure transport; moreover, the local minimizer is unique. It is global, thus solving Monge's problem, provided $c$ is superdifferentiable with respect to one of its arguments.
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Submitted on : Wednesday, September 28, 2011 - 3:02:07 PM
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Philippe Delanoë. SECOND ORDER VARIATIONAL HEURISTICS FOR THE MONGE PROBLEM ON COMPACT MANIFOLDS. Advances in Calculus of Variations, 2012, 5 (3), pp.329-344. ⟨10.1515/acv.2011.017⟩. ⟨hal-00613698v2⟩

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