Constancy of the dimension for RCD(K,N) spaces via regularity of Lagrangian flows

We prove a regularity result for Lagrangian flows of Sobolev vector fields over RCD(K, N) metric measure spaces; regularity is understood with respect to a newly defined quasi‐metric built from the Green function of the Laplacian. Its main application is that RCD(K, N) spaces have constant dimension...

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Autori principali: Brué, E, Semola, D
Natura: Journal article
Lingua:English
Pubblicazione: Wiley 2019