Open Vertex;
Lower Dimension;
Edge Incident;
Convex Polyhedron;
Common Vertex;
D O I:
10.1007/s10958-012-0735-1
中图分类号:
学科分类号:
摘要:
Given a p-face of the acyclic Birkhoff polytope Ωn(T), where T is a tree with n vertices, we find the number of faces of lower dimension that are contained in it, and its nature is discussed.