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Abstract:
A digraph D is supereulerian if D has a spanning directed eulerian subdigraph. Hong et al. proved that delta(+)(D) + delta(-)(D) >= vertical bar V(D)vertical bar - 4 implies D is supereulerian except some well-characterized digraph classes if the minimum degree is large enough. In this paper, we characterize the digraphs D which are not supereulerian under the condition d(D)(+)(u) + d(D)(-) (v) >= vertical bar V(D)vertical bar - 4 for any pair of vertices u and v with uv is not an element of A(D) without the minimum degree constraint. (C) 2016 Elsevier B.V. All rights reserved.
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DISCRETE MATHEMATICS
ISSN: 0012-365X
Year: 2016
Issue: 8
Volume: 339
Page: 2042-2050
0 . 6 3 9
JCR@2016
0 . 7 0 0
JCR@2023
ESI Discipline: MATHEMATICS;
ESI HC Threshold:76
JCR Journal Grade:3
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 11
SCOPUS Cited Count: 12
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
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