带边界费用的最优运输问题及运输密度的可和性估计
Optimal Transportation with Boundary Costs and Summability Estimates on the Transport Density
摘要：
在本文中，我们分析了一个质量运输问题在一个有界域的可能性，运输质量到/从边界，支付的运输成本，这是由欧几里得距离加上额外的成本取决于出口/入口点。这一问题不仅存在于输入输出模型中，也存在于某些形状最优化问题中。我们研究了输运密度的L^p可和性，它不遵循标准定理，因为目标测度不是绝对连续的，但它们有一些部分集中在边界上。我们还提供了相关的对偶参数连接相应的贝克曼和Kantorovich问题的制定与Kantorovich潜在的Dirichlet边界条件。
英文摘要：
In this paper we analyze a mass transportation problem in a bounded domain with the possibility to transport mass to/from the boundary, paying the transport cost, that is given by the Euclidean distance plus an extra cost depending on the exit/entrance point. This problem appears in import/export model, as well as in some shape optimization problems. We study the L^p summability of the transport density which does not follow from standard theorems, as the target measures are not absolutely continuous but they have some parts of them which are concentrated on the boundary. We also provide the relevant duality arguments to connect the corresponding Beckmann and Kantorovich problems to a formulation with Kantorovich potentials with Dirichlet boundary conditions.
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