3 papers
math.ST2026
On Separability of Covariance in Multiway Data Analysis
Dogyoon Song, Alfred O. Hero
Multiway data analysis aims to uncover patterns in data structured as multi-indexed arrays, with multiway covariance playing a crucial role in many applications. However, the high…
stat.ML2026
Fair Community Detection and Structure Learning in Heterogeneous Graphical Models
Davoud Ataee Tarzanagh, Laura Balzano, Alfred O. Hero
Inference of community structure in probabilistic graphical models may not be consistent with fairness constraints when nodes have demographic attributes. Certain demographics may…
cs.IT2025
Generalized Fractional Repetition Codes for Binary Coded Computations
Neophytos Charalambides, Hessam Mahdavifar, Alfred O. Hero
This paper addresses the gradient coding and coded matrix multiplication problems in distributed optimization and coded computing. We present a numerically stable binary coding met…