Deciding First-Order Properties of Locally Tree-Decomposalbe Graphs

  • Authors:
  • Markus Frick;Martin Grohe

  • Affiliations:
  • -;-

  • Venue:
  • ICAL '99 Proceedings of the 26th International Colloquium on Automata, Languages and Programming
  • Year:
  • 1999

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Abstract

We introduce the concept of a class of graphs being locally tree-decomposable. There are numerous examples of locally tree-decomposable classes, among them the class of planar graphs and all classes of bounded valence or of bounded tree-width. We show that for each locally tree-decomposable class C of graphs and for each property ϕ of graphs that is definable in first-order logic, there is a linear time algorithm deciding whether a given graph G ∈ C has property ϕ