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Foldable triangulations of lattice Polygons

Michael Joswig, Günter M. Ziegler – 2012

Focus Area 1: High-complexity Geometry 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".

Title
Foldable triangulations of lattice Polygons
Author
Michael Joswig, Günter M. Ziegler
Date
2012-07
Appeared in
American Math. Monthly, to appear
Type
Text