On terminal forms for topological polynomials for ribbon graphs: The NN-petal flower

@article{Avohou2014OnTF,
  title={On terminal forms for topological polynomials for ribbon graphs: The NN-petal flower},
  author={R. C. Avohou and J. B. Geloun and E. Livine},
  journal={Eur. J. Comb.},
  year={2014},
  volume={36},
  pages={348-366}
}
The Bollobas-Riordan polynomial [B. Bollobas, O. Riordan, A polynomial of graphs on surfaces, Math. Ann. 323 (2002) 81-96] extends the Tutte polynomial and its contraction/deletion rule for ordinary graphs to ribbon graphs. Given a ribbon graph G, the related polynomial should be computable from the knowledge of the terminal forms of G namely specific induced graphs for which the contraction/deletion procedure becomes more involved. We consider some classes of terminal forms as rosette ribbon… Expand
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