Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6423387 | Discrete Mathematics | 2014 | 9 Pages |
Abstract
A digraph D is supereulerian if D has a spanning directed eulerian subdigraph. We give a necessary condition for a digraph to be supereulerian first and then characterize the digraph D which are not supereulerian under the condition that δ+(D)+δâ(D)â¥|V(D)|â4.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Yanmei Hong, Hong-Jian Lai, Qinghai Liu,