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Название: Analyticity of Low-Temperature Phase Diagrams of Lattice Spin Models
Автор: Milos Zahradnik
The analyticity of all strata of the Pirogov Sinai phase diagram is proved. As a byproduct of the method, a
characterization of typical volumes for which the complex partition function vanishes is given, for a Hamiltonian that is a perturbation of the real-valued one, near the point of a phase transition.