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20192026
most citedDiameter two properties for spaces of Lipschitz functions

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math.FA2025

Duality of Lipschitz-free spaces over ultrametric spaces

Trond A. Abrahamsen, Vegard Lima, Andre Ostrak

We give a metric characterisation of when the Lipschitz-free space over a separable ultrametric space is a dual Banach space. In the case where the Lipschitz-free space has a predu…

math.FA2025

The local diameter two property and the diameter two property in spaces of Lipschitz functions

Rainis Haller, Jaan Kristjan Kaasik, Andre Ostrak

We separate the local diameter two property from the diameter two property and their weak-star counterparts from each other in spaces of Lipschitz functions. We characterise the $w…