The Reachability Problem over Infinite Graphs

  • Authors:
  • Wolfgang Thomas

  • Affiliations:
  • RWTH Aachen University, Aachen, Germany 52056

  • Venue:
  • CSR '09 Proceedings of the Fourth International Computer Science Symposium in Russia on Computer Science - Theory and Applications
  • Year:
  • 2009

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Abstract

We survey classical and selected recent work on the reachability problem over finitely presented infinite graphs. The problem has a history of 100 years, and it is central for automatic verification of infinite-state systems. Our focus is on graphs that are presented in terms of word or tree rewriting systems.