3 papers
cs.IT2026
On the Optimality of Hierarchical Secure Aggregation with Arbitrary Heterogeneous Data Assignment
Chenyi Sun, Ziting Zhang, Kai Wan +1
This paper studies the information theoretic secure aggregation problem in a three-layer hierarchical network with arbitrary heterogeneous data assignment, where clustered users co…
cs.DC2026
Distributed Linearly Separable Computation with Arbitrary Heterogeneous Data Assignment
Ziting Zhang, Kai Wan, Minquan Cheng +2
Distributed linearly separable computation is a fundamental problem in large-scale distributed systems, requiring the computation of linearly separable functions over different dat…
cs.IT2025
Multi-Message Secure Aggregation with Demand Privacy
Chenyi Sun, Ziting Zhang, Kai Wan +1
This paper considers a multi-message secure aggregation with privacy problem, in which a server aims to compute linear combinations of local inputs from dis…