The Yamada polynomial of lens spatial graphs

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1 Citation (Scopus)


Let $\tilde G$ be a spatial graph in the 3-sphere which covers a graph in the lens space. We introduce a combinatorial representation of $\tilde G$ which reflects the symmetry of the spatial graph. This representation involves a ribbon n-graph and the generator of the center of the n-braid group. We apply this result to study the Yamada polynomial of a class of lens spatial graphs.

Original languageEnglish
Article number1550029
JournalAsian-European Journal of Mathematics
Issue number2
Publication statusPublished - Jun 1 2015


  • Ribbon graphs
  • Yamada polynomial
  • lens spaces

ASJC Scopus subject areas

  • General Mathematics


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