publication . Preprint . 2017

A state enumeration of the foil knot

Ramaharo, Franck; Rakotondrajao, Fanja;
Open Access English
  • Published: 11 Dec 2017
Abstract
We split the crossings of the foil knot and enumerate the resulting states with a generating polynomial. Unexpectedly, the number of such states which consist of two components are given by the lazy caterer's sequence. This sequence describes the maximum number of planar regions that is obtained with a given number of straight lines. We then establish a bijection between this partition of the plane and the concerned foil splits sequence.
Subjects
free text keywords: Mathematics - Combinatorics, 57M25, 52C30
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