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Multi-virtual knot theory
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In this paper, we generalize virtual knot theory to multi-virtual knot theory where there are a multiplicity of virtual crossings. Each virtual crossing type can detour over the other virtual crossing types, and over classical or immersed crossings. New invariants of multi-virtual knots and links are introduced and new problems that arise are described. We show how the extensions of the Penrose coloring evaluation for trivalent plane graphs and our generalizations of this to non-planar graphs and arbitrary numbers of colors acts as a motivation for the construction of the multi-virtual theory.
Title: Multi-virtual knot theory
Description:
In this paper, we generalize virtual knot theory to multi-virtual knot theory where there are a multiplicity of virtual crossings.
Each virtual crossing type can detour over the other virtual crossing types, and over classical or immersed crossings.
New invariants of multi-virtual knots and links are introduced and new problems that arise are described.
We show how the extensions of the Penrose coloring evaluation for trivalent plane graphs and our generalizations of this to non-planar graphs and arbitrary numbers of colors acts as a motivation for the construction of the multi-virtual theory.
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