1 citations · 1 across the 11 of their papers we have counts for
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Lettericity Is NP-Complete
Henning Fernau, Samuel German, Kevin Mann +1
The lettericity of a graph is the smallest size of a set such that there exist and a so-called decoder for which is is…
How to Reconfigure Your Alliances
Henning Fernau, Kevin Mann
Different variations of alliances in graphs have been introduced into the graph-theoretic literature about twenty years ago. More broadly speaking, they can be interpreted as group…
Offensive Alliances in Signed Graphs
Zhidan Feng, Henning Fernau, Kevin Mann +1
Signed graphs have been introduced to enrich graph structures expressing relationships between persons or general social entities, introducing edge signs to reflect the nature of t…
Enumerating Minimal Defensive Alliances
Zhidan Feng, Henning Fernau, Kevin Mann
In this paper, we study the task of enumerating (and counting) locally and globally minimal defensive alliances in graphs. We consider general graphs as well as special graph class…
Defensive Alliances in Signed Networks
Emmanuel Arrighi, Zhidan Feng, Henning Fernau +3
The analysis of (social) networks and multi-agent systems is a central theme in Artificial Intelligence. Some line of research deals with finding groups of agents that could work t…