• A
  • A
  • A
  • ABC
  • ABC
  • ABC
  • А
  • А
  • А
  • А
  • А
Regular version of the site

Article

Enumeration of Chord Diagrams without Loops and Parallel Chords

Electronic Journal of Combinatorics. 2017. Vol. 24. No. 3. P. 1-23.
Omelchenko A., Краско Е. С.

We enumerate chord diagrams without loops and without both loops and parallel chords. For labelled diagrams we obtain generating functions, for unlabelled ones we derive recurrence relations.