Foldable Triangulations of Lattice Polygons

被引：1

作者：

Joswig, Michael ^{[1
]}

Ziegler, Guenter M. ^{[2
]}

机构：

[1] Tech Univ Berlin, Math Inst, MA 6 2, D-10623 Berlin, Germany

[2] Free Univ Berlin, Math Inst, D-14195 Berlin, Germany

来源：

AMERICAN MATHEMATICAL MONTHLY | 2014年 / 121卷 / 08期

基金：

欧洲研究理事会;

关键词：

D O I：

10.4169/amer.math.monthly.121.08.706

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

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."

引用

页码：706 / 710

页数：5

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