„The main physical problem which equilibrium statistical mechanics tries to clarify is that of phase transitions. When the temperature of water is lowered, why do its properties change first smoothly, then suddenly as the freezing point is reached?“ (p. 1) #Ruelle #PhaseTransition
Ruelle, David, Thermodynamic Formalism. The Mathematical Structures of Equilibrium. Statistical Mechanics. Cambridge, UK: Cambridge University Press 22004.