Signal Processing over Product DAGs: Causal Shifts and Filters
We develop a signal processing framework for signals indexed by the product of two directed acyclic graphs (DAGs) and described by a linear structural equation model (SEM).
By Sundeep Prabhakar Chepuri, Antonio G. Marques, Maulik Devmurari, Gonzalo MateosarXiv - stat.ML
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Originally published by arXiv - stat.ML on Oct 1, 2026.
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