A short proof of Euler's relation for convex polytopes*

Canadian mathematical bulletin

关键词: Landesman-Lazer condition;    Leray Schauder degree;   

DOI  :  10.4153/CMB-1997-056-4

学科分类：数学（综合）

来源: University of Toronto Press * Journals Division

【 摘 要 】

The purposen of this paper is to present a short, self-containedproof of Euler's relation. The ingredients of this proof are (i) theprinciple of inclusion and exclusion of combinatorics and (ii) theEuler characteristic; a development of the Euler characteristic is included.

【 授权许可】

Unknown