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graph neural networks 1iterative solvers 1multigrid 1preconditioning 1sparse linear systems 1

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1 paper

math.NA2026

Graph Neural Multilevel Preconditioners for Iterative Solvers

Zechen Zhang, Rui Peng Li, Yousef Saad

The paper proposes a Graph Neural Multilevel Preconditioner that integrates an algebraic multigrid hierarchy into a learned GNN framework to improve the convergence of iterative so…