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math.NA2025
From eigenvector nonlinearities with quadratic structure to eigenvalue nonlinearities with algebraic structure
Elias Jarlebring, Vilhelm P. Lithell
Over the past decades, transformations between different classes of eigenvalue problems have played a central role in the development of numerical methods for eigenvalue computatio…
math.NA2025
The Polynomial Set Associated with a Fixed Number of Matrix-Matrix Multiplications
Elias Jarlebring, Gustaf Lorentzon
We consider the problem of computing matrix polynomials , where is a large dense matrix, with as few matrix-matrix multiplications as possible. More precisely, let $Π_{2^…