Lower bounds on the nonnegative rank using a nested polytopes formulation. - Julien Dewez; François Glineur (ESANN, 2020)

A geometric lower bound on the extension complexity of polytopes based on the f-vector. - Julien Dewez; Nicolas Gillis; François Glineur (Discret. Appl. Math., 2021)

Computational approaches for lower bounds on the nonnegative rank. - Julien Dewez (2022)