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Foldable triangulations of lattice polygons

Michael Joswig and Günter M. Ziegler

We give a simple formula for the signature of a foldable triangulation of a lattice polygon in terms of its boundary. This yields lower bounds on the number of real roots of certain of systems of polynomial equations known as "Wronski systems".

Titel
Foldable triangulations of lattice polygons
Verfasser
Michael Joswig and Günter M. Ziegler
Art
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