Author

Davide Polverino

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Jul 2026

R3MG-C: a high-order algebraic-geometric multilevel preconditioner for continuous finite element discretizations

The resulting V-cycle, used as a conjugate-gradient preconditioner for continuous lagrangian finite element discretizations, maintains stable iteration counts and remains effective in regimes where standard AMG deteriorates.

Davide Polverino, Marco Feder, Luca Heltai · arXiv.org · 0 citations