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math.PR2026
Convex order preservation for graphon mean-field systems
Daorong Cui, Shuoqing Deng, Yang Xiang
In this paper, we study the convex order preservation for the graphon mean-field systems on R^d. First, we establish the uniform-in-time Euler approximations for the graphon mean-f…
math.PR2026
Stability of supermartingale optimal transport problems
Shuoqing Deng, Gaoyue Guo, Dominykas Norgilas
We investigate stability properties of weak supermartingale optimal transport (WSOT) problems on . For probability measures satisfying $μ\leq_{…