Control theory on Wasserstein space : a new approach to optimality conditions

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Detail(s)

Original languageEnglish
Pages (from-to)565-628
Journal / PublicationAnnals of Mathematical Sciences and Applications
Volume8
Issue number3
Online published14 Nov 2023
Publication statusPublished - 2023

Abstract

We study the deterministic control problem in the Wasserstein space, following the recent works of Bonnet and Frankowska, but with a new approach. One of the major advantages of our approach is that it reconciles the closed loop and the open loop approaches, without the technicalities of the traditional feedback control methodology. It allows also to embed the control problem in the Wasserstein space into a control problem in a Hilbert space, similar to the lifting method introduced by P. L. Lions, used already in our previous works. The Hilbert space is different from that proposed by P. L. Lions, and it allows to recover the control problem in the Wasserstein space as a particular case.

Research Area(s)

  • Mean field type control problem, Wasserstein space, Hilbert space, Pontryagin maximum principle, forward-backward equations, value function, Bellman equation