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cs.IT2026
Multi-Server Secure Aggregation with Arbitrary Collusion and Heterogeneous Security Constraints
Zhou Li, Xiang Zhang, Jiguang He +1
We study the fundamental limits of multi-server secure aggregation over a two-hop network where multiple servers, each connected to a disjoint subset of users, jointly compute the…
cs.IT2025
Multi-Source Approximate Message Passing with Random Semi-Unitary Dictionaries
Burak Ãakmak, Giuseppe Caire
Motivated by the recent interest in approximate message passing (AMP) for matrix-valued linear observations with superposition of \emph{multiple statistically asymmetric signal sou…