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G. Ramirez-Hidalgo

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Preprint Aug 2026

An Integral-Based Framework for Preconditioning $f(A)b$

This work proposes a unified framework for preconditioning f(A)b based on the Cauchy integral representation of the matrix function based on the Cauchy integral representation of the matrix function, and presents a matrix-free polynomial approach.

G. Ramirez-Hidalgo · 0 citations