Graph Unitary Message Passing
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Abstract (arXiv)
Unitarity is a useful principle for stabilizing deep neural networks, but in graph neural networks (GNNs) instability is induced not only by learnable parameters but also by the graph propagation operator. Motivated by this distinction, we propose Graph Unitary Message Passing (GUMP), a message-passing framework that uses a unitary propagation operator on a transformed graph to avoid graph-induced exponential decay under repeated propagation. GUMP combines (i) a graph transformation that maps an input graph to an Eulerian line-graph construction admitting unitary adjacency matrices, and (ii) a practical unitary projection procedure based on Newton-Schulz iteration. Theoretical analysis clarifies that, under standard analysis assumptions, unitary propagation keeps the graph-propagation term depth-stable, while vanilla normalized propagation exhibits exponential decay in its non-trivial spectral components. Across synthetic long-range tasks, TUDataset benchmarks, and LRGB datasets, GUMP improves over vanilla message passing and achieves competitive or superior performance against strong baselines. Code is available at https://github.com/ucker/gump_code.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 61 of its 79 references that are in the map. First posted on arXiv 17 Mar 2024.
Builds on
61 of 79 references.
References · 61
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38 more
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- 2020Simple and Deep Graph Convolutional Networkscited by 857
- 2018Link Prediction Based on Graph Neural Networkscited by 829
- 2021How Attentive are Graph Attention Networks?cited by 818
- 2023RWKV: Reinventing RNNs for the Transformer Eracited by 814
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50 most cited of 61 All 61 (JSON)
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Citing papers per year: 2024: 2; 2025: 0; 2026: 3.
5 papers.
- 2024PANDA: Expanded Width-Aware Message Passing Beyond Rewiringcited by 10
- 2024Unitary convolutions for learning on graphs and groupscited by 8
- 2026Beyond Oversquashing: Understanding Signal Propagation in GNNs Via Observablescited by 0
- 2026Exploring Oversmoothing with Householder Matricescited by 0
- 2026LiftGCN: Efficient Energy-Preserving Graph Learning via Joukowski Spectral Lifting for Finite Element Stress Predictioncited by 0
- 2026LiftGCN: Efficient Energy-Preserving Graph Learning via Joukowski Spectral Lifting for Finite Element Stress Prediction14 Sep 2026
- 2026Exploring Oversmoothing with Householder Matrices12 Aug 2026
- 2026Beyond Oversquashing: Understanding Signal Propagation in GNNs Via Observables13 May 2026
- 2024Unitary convolutions for learning on graphs and groups7 Oct 2024
- 2024PANDA: Expanded Width-Aware Message Passing Beyond Rewiring6 Jun 2024