Browsing Department of Pure Mathematics and Mathematical Statistics (DPMMS) by Subject "total positivity"
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The Planar Ising Model and Total Positivity
(SpringerJournal of Statistical Physics, 20170101)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 ...