Stefano Sicilia

activity

20222026

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math.NA2024

Minimum-norm solutions of the non-symmetric semidefinite Procrustes problem

Nicolas Gillis, Stefano Sicilia

Given two matrices $X, B \in R^{n \times m}$ and a set $A \subseteq R^{n \times n}$ , a Procrustes problem consists in finding a matrix $A \in A$ su…

math.NA2024

Stabilization of a matrix via a low rank-adaptive ODE

Nicola Guglielmi, Stefano Sicilia

Let $A$ be a square matrix with a given structure (e.g. real matrix, sparsity pattern, Toeplitz structure, etc.) and assume that it is unstable, i.e. at least one of its eigenvalue…