Optimal Transportation with an Oscillation-Type Cost: The One-Dimensional Case |
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Authors: | Didier Lesesvre Paul Pegon Filippo Santambrogio |
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Institution: | 1. école Normale Supérieure de Cachan, 61, Avenue du Président Wilson, 94235, Cachan Cedex, France 2. Laboratoire de Mathématiques d’Orsay, Université Paris-Sud, 91405, Orsay Cedex, France
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Abstract: | The main result of this paper is the existence of an optimal transport map T between two given measures μ and ν, for a cost which considers the maximal oscillation of T at scale δ, given by ω δ (T) :?=??sup|x???y|?<?δ |T(x)???T(y)|. The minimization of this criterion finds applications in the field of privacy-respectful data transmission. The existence proof unfortunately only works in dimension one and is based on some monotonicity considerations. |
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