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Critical groups for homeomorphism classes of graphs

  • Sheng Chen*
  • , Sheng Kui Ye
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper the weighted fundamental circuits intersection matrix of an edge-labeled graph is introduced for computing the critical groups for homeomorphism classes of graphs. As an application, it is proved that for any given finite connected simple graph there is a homeomorphic graph with cyclic critical group.

Original languageEnglish
Pages (from-to)255-258
Number of pages4
JournalDiscrete Mathematics
Volume309
Issue number1
DOIs
StatePublished - 6 Jan 2009

Keywords

  • Critical group
  • Cyclic group
  • Homeomorphism class
  • Laplacian matrix

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