Modularity of cycles and paths in graphs

  • Authors:
  • E. M. Arkin;C. H. Papadimitriou;M. Yannakakis

  • Affiliations:
  • Cornell Univ., Ithaca, NY;Univ. of California at San Diego, La Jolla;AT&T Bell Labs., Short Hills, NJ

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 1991

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Abstract

Certain problems related to the length of cycles and paths modulo a given integer are studied. Linear-time algorithms are presented that determine whether all cycles in an undirected graph are of length P mod Q and whether all paths between two specified nodes are of length P mod Q, for fixed integers P.Q. These results are compared to those for directed graphs.