2 papers
math.CO2026
The general position number of digraphs
Ullas Chandran S. V., Gabriele Di Stefano, Grahame Erskine +3
The general position number for graphs ask for largest vertex subsets such that no three vertices are contained on a common shortest path. We examine this problem in the settin…
math.CO2024
On bipartite -mixed graphs
C. Dalfó, G. Erskine, G. Exoo +2
Mixed graphs can be seen as digraphs with arcs and edges (or digons, that is, two opposite arcs). In this paper, we consider the case where such graphs are bipartite and in which t…