作者: David W. Barnette
DOI: 10.1007/BF02771522
关键词:
摘要: Ad-polytope is ad-dimensional set that the convex hull of a finite number points. simple provided each vertex meets exactlyd edges. It has been conjectured for polytopes {fx121-1} wheref i ofi-dimensional faces polytope. In this paper we show inequality (i) holds all polytopes.