We study the Edge-Constrained Graph Partitioning Problem (ECGP), which asks whether the vertices of a graph can be partitioned into r parts, each inducing at least gamma edges. We also consider a balanced variant (BECGP), requiring equal-sized parts, and signed variants, where the utility of a part is the difference be...
Ajinkya Gaikwad, Jan Pokorný, T. Valla· 0 citations
The \emph{$s$-Club Cluster Edge Deletion} problem asks whether, given a graph $G$ and an integer $k$, one can delete at most $k$ edges so that every remaining connected component has diameter at most~$s$. This generalizes the classical \emph{Cluster Edge Deletion} problem by permitting components of bounded diameter in...
This work studies the parameterized complexity of the unweighted Connected Network Microaggregation problem, focusing on structural parameters and natural clustering parameters such as the distance bound and cluster size gap, and proves that the problem is NP-hard on graphs of bounded clique-width.
Ajinkya Gaikwad, Dusan Knop, T. Valla· 0 citations
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