Nicolas Gillis

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math.NA2025

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

Assigning Stationary Distributions to Sparse Stochastic Matrices

Nicolas Gillis, Paul Van Dooren

The target stationary distribution problem (TSDP) is the following: given an irreducible stochastic matrix $G$ and a target stationary distribution $I^^¼$ , construct a minimum n…