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Counterexample to a Variant of a Conjecture of Ziegler Concerning a Simple Polytope and Its Dual
Discrete & Computational Geometry ( IF 0.6 ) Pub Date : 2020-10-15 , DOI: 10.1007/s00454-020-00253-5
William Gustafson

Problem 4.19 in Ziegler (Lectures on Polytopes. Graduate Texts in Mathematics, vol. 152. Springer, New York (1995)) asserts that every simple 3-dimensional polytope has the property that its dual can be constructed as the convex hull of points chosen from the facets of the original polytope. In this note we state a variant of this conjecture that requires the points to be a subset of the vertices of the original polytope, and provide a family of counterexamples for dimension \(d \ge 3\).



中文翻译:

关于齐格勒猜想的一个简单多面体及其对偶的变体的反例

Ziegler的问题4.19(关于多面体的讲座。数学研究生课本,第152卷。纽约,Springer,1995年)断言,每个简单的3维多面体都具有可以将其对偶构造为所选点的凸包的特性。从原始多面体的方面来看。在此注释中,我们陈述了此猜想的一个变体,要求这些点是原始多面体的顶点的子集,并提供维\(d \ ge 3 \)的反例族。

更新日期:2020-10-16
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