Signal Processing over Product DAGs: Causal Shifts and Filters

arXiv:2609.40275 · stat.ML, eess.SP · Submitted 2026-09-30 · Read on arXiv

stat.ML, eess.SP

Submitted: 2026-09-30

Updated: 2026-09-30

Code: https://github.com/spchepuri/ProductDAG-denoising

Terminology

• Generalization — 3× in this paper · explained in 13 episodes
• Adjacency Matrix — 2× in this paper · explained in 1 episode
• Admissibility — 1× in this paper · explained in 2 episodes
• Inverse Problem — 1× in this paper · explained in 2 episodes
• Sparsity — 1× in this paper · explained in 4 episodes

Sources

• Learning Product Graphs Underlying Smooth Graph Signals

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