A self-linking invariant of virtual knots
Tom 184 / 2004
Fundamenta Mathematicae 184 (2004), 135-158
MSC: Primary 57M25.
DOI: 10.4064/fm184-0-10
Streszczenie
This paper introduces a self-linking invariant for virtual knots and links, and relates this invariant to a state model called the binary bracket, and to a class of coloring problems for knots and links that include classical coloring problems for cubic graphs.