Browsing Department of Pure Mathematics and Mathematical Statistics (DPMMS) by Subject "total positivity"

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  • The Planar Ising Model and Total Positivity 

    Lis, Marcin (SpringerJournal of Statistical Physics, 2017-01-01)
    A matrix is called totally positive (resp. totally nonnegative) if all its minors are positive (resp. nonnegative). Consider the Ising model with free boundary conditions and no external field on a planar graph G. Let ...