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math.MG2021
Wasserstein distance and metric trees
Maxime Mathey-Prevot, Alain Valette
We study the Wasserstein (or earthmover) metric on the space of probability measures on a metric space . We show that, if a finite metric space embeds stochastically…
math.GR2021
On arithmetic properties of solvable Baumslag-Solitar groups
Laurent Hayez, Tom Kaiser, Alain Valette
For , we say that a sequence of -regular graphs has property if there exists a constant such that . We i…