8 citations · 11 across the 2 of their papers we have counts for
2 papers
math.CO2010★ 3 cited
Imbalances in directed multigraphs
S. Pirzada, T. A. Naikoo, U. Samee +1
In a directed multigraph, the imbalance of a vertex is defined as , where and denote the outdegree an…
math.CO2006★ 8 cited
Mark sequences in digraphs
S. Pirzada, U. Samee
A k-digraph is an orientation of a multi-graph that is without loops and contains at most k edges between any pair of distinct vertices. We obtain necessary and sufficient conditio…