
06427989
j
2015d.00669
Joswig, Michael
Ziegler, G\"unter M.
Foldable triangulations of lattice polygons.
Am. Math. Mon. 121, No. 8, 706710 (2014).
2014
Mathematical Association of America (MAA), Washington, DC
EN
G95
foldable triangulation
lattice polygon
doi:10.4169/amer.math.monthly.121.08.706
arxiv:1207.6865
Summary: 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 systems of polynomial equations known as ``Wronski systems''.