Showing math.COShow all
2 papers · 1 filter
math.CO2025
Bipartite Powers of Certain Classes of Bipartite Graphs
Indrajit Paul, Ashok Kumar Das
The concept of graph powers has been extensively studied in graph theory. Analogous to graph powers, Chandran et al. [3] introduced the notion of bipartite powers for bipartite gra…
math.CO2025
New Vertex Ordering Characterizations of Circular-Arc Bigraphs
Indrajit Paul, Ashok Kumar Das
In this article, we present two new characterizations of circular-arc bigraphs based on their vertex ordering. Also, we provide a characterization of circular-arc bigraphs in terms…