3 papers
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.CO2025
Enlarging a connected graph while keeping entropy and spectral radius: self-similarity techniques
Alberto Seeger, David Sossa
This work is about self-similar sequences of growing connected graphs. We explain how to construct such sequences and why they are important. We show for instance that all the conn…