Entropic optimal transport: convergence of potentials
Entropic optimal transport: convergence of potentials
复制标题
熵最优传输:势的收敛
DOI:
10.1007/s00440-021-01096-8
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发表时间:
2022
影响因子:
2
通讯作者:
Wiesel, Johannes
中科院分区:
文献类型:
--
作者:
Nutz, Marcel;Wiesel, Johannes
We study the potential functions that determine the optimal density for-entropically regularized optimal transport, the so-called Schrödinger potentials, and their convergence to the counterparts in classical optimal transport, the Kantorovich potentials. In the limitof vanishing regularization, strong compactness holds inand cluster points are Kantorovich potentials. In particular, the Schrödinger potentials converge into the Kantorovich potentials as soon as the latter are unique. These results are proved for all continuous, integrable cost functions on Polish spaces. In the language of Schrödinger bridges, the limit corresponds to the small-noise regime.
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