Optimal stopping of BSDEs with constrained jumps and related zero-sum games

Magnus Perninge

Stochastic Processes and their Applications, 2024, vol. 173, issue C

Abstract: In this paper, we introduce a non-linear Snell envelope which at each time represents the maximal value that can be achieved by stopping a BSDE with constrained jumps. We establish the existence of the Snell envelope by employing a penalization technique and the primary challenge we encounter is demonstrating the regularity of the limit for the scheme. Additionally, we relate the Snell envelope to a finite horizon, zero-sum stochastic differential game, where one player controls a path-dependent stochastic system by invoking impulses, while the opponent is given the opportunity to stop the game prematurely. Importantly, by developing new techniques within the realm of control randomization, we demonstrate that the value of the game exists and is precisely characterized by our non-linear Snell envelope.

Keywords: Backward stochastic differential equations; Control randomization; Impulse control; Lévy process; Non-Markovian; Optimal stopping (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1016/j.spa.2024.104355

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