FSpecGNN generalizes spectral GNNs to a second-order form via node-pair lifting and bivariate spectral filters, matching Local 2-GNN expressivity while universally approximating node-pair signals and admitting scalable low-rank implementations.
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Full-Spectrum Graph Neural Networks: Expressive and Scalable
FSpecGNN generalizes spectral GNNs to a second-order form via node-pair lifting and bivariate spectral filters, matching Local 2-GNN expressivity while universally approximating node-pair signals and admitting scalable low-rank implementations.