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Sharp boundary ε-regularity of optimal transport maps
Advances in Mathematics ( IF 1.5 ) Pub Date : 2021-01-26 , DOI: 10.1016/j.aim.2021.107603 Tatsuya Miura , Felix Otto
中文翻译:
最优运输图的尖锐边界ε-正则性
更新日期:2021-01-28
Advances in Mathematics ( IF 1.5 ) Pub Date : 2021-01-26 , DOI: 10.1016/j.aim.2021.107603 Tatsuya Miura , Felix Otto
In this paper we develop a boundary ε-regularity theory for optimal transport maps between bounded open sets with -boundary. Our main result asserts sharp -regularity of transport maps at the boundary in form of a linear estimate under certain assumptions: The main quantitative assumptions are that the local nondimensionalized transport cost is small and that the boundaries are locally almost flat in . Our method is completely variational and builds on the recently developed interior regularity theory.
中文翻译:
最优运输图的尖锐边界ε-正则性
在本文中,我们为有界开放集之间的最优输运图开发了边界ε-正则性理论-边界。我们的主要结果断言-在某些假设下以线性估计的形式在边界上的运输图的规律性:主要的定量假设是,当地无量纲的运输成本很小,并且边界在当地几乎平坦 。我们的方法是完全可变的,并基于最近开发的内部规律性理论。