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eess.SY2026
Smooth globally PLI functions are nonlinear least-squares, and so are their gradient-dominated cousins
Eduardo D. Sontag
Boumal, Criscitiello and Rebjock (BCR) proved that if is a contractible, connected and complete Riemannian manifold, then every smooth function satisfying the…
eess.SY2026
On input-output persistency and the interconnection of positive nonlinear systems
Arthut Castello B. de Oliveira, Moh K. Wafi, Eduardo D. Sontag
In this paper we study feedback interconnections of positive nonlinear SISO systems and introduce two complementary properties: persistent-input/persistent-output (PIPO) for the pl…