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cs.IT2026
On the Subadditivity of Mutual f-Information
Hamidreza Abin, Amin Gohari
We address an open problem raised by Polyanskiy and Wu in their textbook concerning the subadditivity of mutual \(f\)-information. We study two notions of generalized mutual inform…
cs.IT2026
Subjective Distortion: Achievability and Outer Bounds for Distortion Functions with Memory
Hamidreza Abin, Amin Gohari, Andrew W. Eckford
In some rate-distortion-type problems, the required fidelity of information is affected by past actions. As a result, the distortion function depends not only on the instantaneous…
cs.IT2026
A Class of Subadditive Information Measures and their Applications
Hamidreza Abin, Mahdi Zinati, Amin Gohari +2
We introduce a two-parameter family of discrepancy measures, termed \emph{-divergences}, obtained by applying a non-decreasing function to an -divergence . Build…