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math.SP2026
Topological properties and a multiplicative Bloch-Floquet-Zak transform for scattering by self-similar or fractal media
Habib Ammari, Yat Tin Chow, Fuqun Han
We develop the first rigorous topological framework for an auxiliary boundary-integral model motivated by physical scaling identities for wave scattering from self-similar or fract…
math.OC2026
Truncated Differentiation Through Primal-Dual Solvers for Inverse Potential Mean-Field Games
Siting Liu, Yat Tin Chow, Samy Wu Fung
We study inverse potential mean-field games (MFGs), in which an unknown spatial inverse-cost (mobility) map is inferred from observed population densities. We solve the forward MFG…