Topics on mean-field and McKean-Vlasov backward stochastic differential equations, and the backward propagation of chaos

Abstract

Backward propagation of chaos is referring to the phenomenon where the behavior of interactive agents (or particles), described from a system of backward stochastic differential equations (BSDEs), progressively resembles the one as if they where independent, while the number of agents increases to infinity. This thesis aims to study backward propagation of chaos in a setting as general as possible, and also to introduce the notion of stability of backward propagation of chaos. Here stability is understood as the continuity property of backward propagation of chaos with respect to the data sets. The interaction between the different agents is expressed through their empirical measure. In order to identify the asymptotic behaviour of the mean-field systems of BSDEs we are going to use the McKean–Vlasov BSDE. We consider two instances of backward propagation of chaos, when we have path dependence in the generator and when we have the usual instantaneous dependence. So, we begin by establi ...
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DOI
10.12681/eadd/57092
Handle URL
http://hdl.handle.net/10442/hedi/57092
ND
57092
Alternative title
Θέματα σε οπισθόδρομες στοχαστικές διαφορικές εξισώσεις τύπου μέσου πεδίου και McKean-Vlasov, και οπισθόδρομη διάδοση του χάους
Author
Theodorakopoulos, Stefanos (Father's name: Angelos)
Date
2024
Degree Grantor
National Technical University of Athens (NTUA)
Committee members
Παπαπαντολέων Αντώνιος
Λουλάκης Μιχαήλ
Kupper Michael
Γιαννόπουλος Απόστολος
Μιχαηλίδης Παναγιώτης
Χελιώτης Δημήτριος
Tangpi Ludovic
Discipline
Natural SciencesMathematics ➨ Statistics and Probability
Natural SciencesMathematics ➨ Mathematical analysis
Keywords
Mean-field BSDE; Mckean-Vlasov BSDE; Backward propagation of chaos; Convergence rates; Independent increments; Stability of backward propagation of chaos; Predictable section; Optional section; Souslin operation
Country
Greece
Language
English
Description
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