On a filtered probability space (Ω,F,P,F=(Ft)t=0,…,T), we consider stopping games V¯:=infρ∈Tiisupτ∈TE[U(ρ(τ),τ)] and V̲:=supτ∈Tiinfρ∈TE[U(ρ,τ(ρ))] in discrete time, where U(s, t) is Fs ∨ t-measurable instead of Fs ∧ t-measurable as is assumed in the literature on Dynkin games, T is the set of stopping times, and Ti and Ti i are sets of mappings from T to T satisfying certain non-anticipativity conditions. We will see in an example that there is no room for stopping strategies in classical Dynkin games unlike the new stopping game we are introducing. We convert the problems into an alternative Dynkin game, and show that V¯=V̲=V, where V is the value of the Dynkin game. We also get optimal ρ∈ Ti i and τ∈ Ti for V¯ and V̲ respectively.
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This research was supported in part by the National Science Foundation under grant
This research was supported in part by the National Science Foundation under grant DMS-1613170.