This article is dedicated to Elliott Lieb in celebration of his 90th birthday. I recount briefly some history of our joint work on the existence of the thermodynamic limit for Coulomb systems and discuss, even more briefly, two open problems of fundamental nature.
Foundations of Statistical Mechanics and Theory of Phase Transition
Superintegrable deformations of oscillator and Coulomb systems
Gradings, Braidings, Representations, Paraparticles: some open problems
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