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- University of Notre DameUS3 papers
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- Shanghai Jiao Tong UniversityCN2 papers
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- Tata Institute of Fundamental ResearchIN1 paper
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math.CO2006
Kings and serfs in oriented graphs
S. Pirzada, N. A. Shah
In this paper, we extend the concept of kings and serfs in tournaments to that of weak kings and weak serfs in oriented graphs. We obtain various results on the existence of weak k…
math.CO2006
Signed degree sets in signed graphs
S. Pirzada, T. A. Naikoo, F. A. Dar
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) in…