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Pré-Publication, Document De Travail Année : 2023

On the Viability and Invariance of Proper Sets under Continuity Inclusions in Wasserstein Spaces

Résumé

In this article, we derive necessary and sufficient conditions for the existence of solutions to state-constrained continuity inclusions in Wasserstein spaces whose right-hand sides may be discontinuous in time. These latter are based on fine investigations of the infinitesimal behaviour of the underlying reachable sets, through which we show that up to a negligible set of times, every admissible velocity of the inclusion can be approximately realised as the metric derivative of a solution of the dynamics, and vice versa. Building on these results, we are able to establish necessary and sufficient geometric conditions for the viability and invariance of stationary and time-dependent constraints, which involve a suitable notion of contingent cones in Wasserstein spaces, presented in ascending order of generality. We then close the article by exhibiting two prototypical examples of constraints sets appearing in applications for which one can compute relevant subfamilies of contingent directions.
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Dates et versions

hal-04082985 , version 1 (26-04-2023)

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  • HAL Id : hal-04082985 , version 1

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Benoît Bonnet-Weill, Hélène Frankowska. On the Viability and Invariance of Proper Sets under Continuity Inclusions in Wasserstein Spaces. 2023. ⟨hal-04082985⟩
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