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math.OC2025
Commutation principles for optimization problems involving strictly Schur-convex functions in Euclidean Jordan algebras
Pedro G. Massey, Noelia B. Rios, David Sossa
In this work we establish several commutation principles for optimizers of shifts of spectral functions in the context of Euclidean Jordan Algebras (EJAs). For instance, we show th…
math.OC2025
Some commutation principles for optimization problems over transformation groups and semi-FTvN systems
M. Seetharama Gowda, David Sossa
We introduce the concepts of commutativity relative to a transformation group and strong commutativity in the setting of a semi-FTvN system and show their appearance as optimality…
math.OC2023
Computing critical angles between two convex cones
Welington de Oliveira, Valentina Sessa, David Sossa
This paper addresses the numerical computation of critical angles between two convex cones in finite-dimensional Euclidean spaces. We present a novel approach to computing these cr…