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20042026
most citedVirtual Knot Theory --Unsolved Problems

2 citations · 2 across the 4 of their papers we have counts for

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math.GT2026

The Penrose-Kauffman Polynomial

Louis H. Kauffman, Daniel S. Silver, Susan G. Williams

For any cubic graph in a closed orientable surface and a perfect matching, the Penrose-Kauffman polynomial is a sum of chromatic polynomials of a collection of associated graphs. A…

math.GT2025

Generalised Biracks and the Birack Polynomial Invariant

Andrew Bartholomew, Roger Fenn, Louis Kauffman

We generalise the finite biquandle colouring invariant to a polynomial invariant based on labelling a knot diagram with a finite birack that reduces to the biquandle colouring inva…

math.GT2004★ 2 cited

Virtual Knot Theory --Unsolved Problems

Roger Fenn, Louis H. Kauffman, Vassily O. Manturov

This paper is an introduction to the theory of virtual knots and links and it gives a list of unsolved problems in this subject.