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math.CO2023
The Complement of the Djokovic-Winkler Relation
Marc Hellmuth, Bruno J. Schmidt, Guillaume E. Scholz +1
The Djoković-Winkler relation is a binary relation defined on the edge set of a given graph that is based on the distances of certain vertices and which plays a prominent role…
math.CO2023
On a generalization of median graphs: -median graphs
Marc Hellmuth, Sandhya Thekkumpadan Puthiyaveedu
Median graphs are connected graphs in which for all three vertices there is a unique vertex that belongs to shortest paths between each pair of these three vertices. To be more for…