Keywords: Metric space, ball space, Christi-Kirk fixed point theorem, Ekeland's variational principle, Oettli-Théra theorem, Takahashi's theorem, flower petal theoremPublished in RUNG: 26.09.2022; Views: 2007; Downloads: 0This document has many files! More...
Keywords: Ising model, transfer matrix method, mean-field model, variational principle, ferromagnetic phase transitionPublished in RUNG: 15.06.2022; Views: 4732; Downloads: 0This document has many files! More...