王维凡
professor
Gender : Male
Alma Mater : 南京大学
Education Level : Graduate student graduate
Degree : Doctorate
Status : 退休
School/Department : 数学科学学院
Date of Employment : 2002-05-01
Hits :
First Author : Fengwei Xu
Affiliation of Author(s): 数理与信息工程学院
Date of Publication : 2011-01-01
Document Type : 期刊
Journal : Tamsui Oxford Journal of Information & Mathematical Sciences (TOJIMS)
Volume: Vol.27
Issue : No.4
Page Number : 397-410
ISSN : 2222-4424
Translation or Not : no
Key Words : GRAPH;theory;*PATHS;&;cycles;(Graph;theory);*LINEAR;dependence;(Mathematics);*COMBINATORIAL;analysis;*MATHEMATICAL;analysis;*IMAGE;analysis
Abstract : Let D be an acyclic orientation of a simple graph G. An arc is called dependent if its reversal creates a directed cycle. Let d(D) denote the number of dependent arcs in D. Define dmin(G) to be the minimum number of d(D) over all acyclic orientations D of