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On Eccentric Sets of Edges in Graphs

Masakazu SENGOKU, Shoji SHINODA, Takeo ABE

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Summary :

We introduce the distance between two edges in a graph (nondirected graph) as the minimum number of edges in a tieset with the two edges. Using the distance between edges we define the eccentricity ετ (ej) of an edge ej. A finite nonempty set J of positive integers (no repetitions) is an eccentric set if there exists a graph G with edge set E such that ετ (ej) J for all ei E and each positive integer in J is ετ (ej) for some ej E. In this paper, we give necessary and sufficient conditions for a set J to be eccentric.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E74-A No.4 pp.687-691
Publication Date
1991/04/25
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Type of Manuscript
Special Section LETTER (Special Issue on Discrete Mathematics and Its Applications)
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