Mathematics – Combinatorics
Scientific paper
2006-09-05
Mathematics
Combinatorics
Scientific paper
The set D of distinct signed degrees of the vertices in a signed graph G is called its signed degree set. In this paper, we prove that every non-empty set of positive (negative) integers is the signed degree set of some connected signed graph and determine the smallest possible order for such a signed graph. We also prove that every non-empty set of integers is the signed degree set of some connected signed graph.
Dar F. A.
Naikoo T. A.
Pirzada Shariefuddin
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