참고문헌
- Topological Graph Theory J.L.Gross;T.W.Tucker
- Discrete Math. v.18 Generating all graph coverings by permutation voltage assignments
대한수학회보 (Bulletin of the Korean Mathematical Society)
- 제37권3호
- /
- Pages.487-491
- /
- 2000
- /
- 1015-8634(pISSN)
- /
- 2234-3016(eISSN)
LINE GRAPHS OF COVERING GRAPHS ARE COVERING GRAPHS
- Dan Archdeacon (Dept. of Math. and Stat., University of Vermont) ;
- Lee, Jaeun (Department of Mathematics, yeungnam University) ;
- Sohn, Moo-Young (Department of Mathematics, Changwon National University)
- 발행 : 2000.08.01
초록
Let G be a covering graph of G. We show that the line graph of G covers the line graph of G. Moreover, if the first covering is regular, then the line-graph covering is regular.