# A dual characterisation of the Radon-Nikodym property

1 Equations d'evolution
SAMM - Statistique, Analyse et Modélisation Multidisciplinaire (SAmos-Marin Mersenne)
Abstract : We prove that a Banach space $X$ has the Radon-Nikodym property if, and only if, every weak*-lower semicontinuous convex continuous function $f$ of $X^*$ is Gâteaux differentiable at some point of its domain with derivative in the predual space $X$.
Document type :
Journal articles

https://hal-paris1.archives-ouvertes.fr/hal-01183280
Contributor : Mohammed Bachir <>
Submitted on : Friday, August 7, 2015 - 12:28:32 AM
Last modification on : Monday, March 29, 2021 - 11:50:04 AM

### Identifiers

• HAL Id : hal-01183280, version 1

### Citation

Mohammed Bachir, Aris Daniilidis. A dual characterisation of the Radon-Nikodym property. Bulletin of the Australian Mathematical Society, John Loxton University of Western Sydney|Australia 2000, 62, pp.379-387. ⟨hal-01183280⟩

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