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math-ph2026
Quantum Wasserstein isometries of the -qubit state space: a Wigner-type result
Gergely Bunth, Eszter Szabó, Dániel Virosztek
We determine the isometry group of the -qubit state space with respect to the quantum Wasserstein distance induced by the so-called symmetric transport cost for all $n \in \math…
math.MG2026
Restoring Wasserstein Rigidity with a single point
Zoltán M. Balogh, Eric Ströher, Dániel Virosztek
We consider isometrically flexible Wasserstein spaces and demonstrate that adding a single point to the underlying metric space makes these Wasserstein spaces rigid.