Editing the Simplest Graphs

  • Peter Damaschke
  • Olof Mogren
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8344)


We study the complexity of editing a graph into a target graph with any fixed critical-clique graph. The problem came up in practice, in mining a huge word similarity graph for well structured word clusters. It also adds to the rich field of graph modification problems. We show in a generic way that several variants of this problem are in SUBEPT. As a special case, we give a tight time bound for edge deletion to obtain a single clique and isolated vertices, and we round up this study with NP-completeness results for a number of target graphs.


Vertex Cover Input Graph Edge Deletion Complete Multipartite Graph Clique Size 
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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Peter Damaschke
    • 1
  • Olof Mogren
    • 1
  1. 1.Department of Computer Science and EngineeringChalmers UniversityGöteborgSweden

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