A partial Laplacian as an infinitesimal generator on the Wasserstein space
A partial Laplacian as an infinitesimal generator on the Wasserstein space
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部分拉普拉斯算子作为 Wasserstein 空间上的无穷小生成器
DOI:
10.1016/j.jde.2019.06.012
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发表时间:
2019
影响因子:
2.4
通讯作者:
Gangbo, Wilfrid
中科院分区:
文献类型:
--
作者:
Chow, Yat Tin;Gangbo, Wilfrid
In this manuscript, we consider special linear operators which we term partial Laplacians on the Wasserstein space, and which we show to be partial traces of the Wasserstein Hessian. We verify a distinctive smoothing effect of the “heat flows” they generated for a particular class of initial conditions. To this end, we will develop a theory of Fourier analysis and conic surfaces in metric spaces. We then identify a measure which allows for an integration by parts for a class of Sobolev functions. To achieve this goal, we solve a recovery problem on the set of Sobolev functions on the Wasserstein space.
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DOI:
10.1016/j.indag.2013.11.003
发表时间:
2013
期刊:
Indagationes Mathematicae
影响因子:
--
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通讯作者:
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1965
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2012
期刊:
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作者:
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