作者: Zaragoza Martinez , Francisco Javier
DOI: 10.1109/ICEEE.2006.251877
关键词: Combinatorics 、 Graph 、 Time complexity 、 Graph theory 、 Mathematics 、 NP-complete 、 Polyhedron 、 Discrete mathematics 、 Integer programming 、 Mixed graph
摘要: The mixed postman problem consists of finding a minimum cost tour graph traversing all its vertices, edges, and arcs at least once. We consider the variant where must be traversed exactly prove that decision version this is NP-complete. give an integer programming formulation we one linear relaxations defines integral polyhedron can solved in polynomial time.