3 papers
cs.IT2026
Score-Based VAMP with Fisher-Information-Based Onsager Correction
Tadashi Wadayama, Takumi Takahashi
We propose score-based VAMP (SC-VAMP), a variant of vector approximate message passing (VAMP) in which the Onsager correction is expressed and computed via conditional Fisher infor…
cs.IT2025
Physics-Aware Decoding for Communication Channels Governed by Partial Differential Equations
Tadashi Wadayama, Koji Igarashi, Takumi Takahashi
Digital communication systems inherently operate through physical media governed by partial differential equations (PDEs). In this paper, we introduce a physics-aware decoding fram…
cs.IT2025
Physics-Aware Sparse Signal Recovery Through PDE-Governed Measurement Systems
Tadashi Wadayama, Koji Igarashi, Takumi Takahashi
This paper introduces a novel framework for physics-aware sparse signal recovery in measurement systems governed by partial differential equations (PDEs). Unlike conventional compr…