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cs.IT2026
Designed-Source Reductions and a Dual-Purpose Feasibility Band for Semantic Rate-Distortion
Joss Armstrong
The joint rate-distortion framework of Stavrou and Kountouris (IEEE Transactions on Communications 2023) characterises dual-fidelity tradeoffs for semantic communication on stochas…
cs.IT2026
Source-Side Sufficiency for the Information Bottleneck: Exact Reduction and Finite-Block Equivalence
Joss Armstrong
The input side of the Information Bottleneck may contain task-irrelevant variation that still costs rate. We identify this cost exactly. Let T be a source and C a relevance variabl…