INDEX POLYNOMIAL INVARIANT OF VIRTUAL LINKS

Author:

IM YOUNG HO1,LEE KYEONGHUI2,LEE SANG YOUL1

Affiliation:

1. Department of Mathematics, Pusan National University, Pusan, 609-735, Korea

2. Department of Mathematics, Graduate School of Natural Sciences, Pusan National University, Pusan, 609-735, Korea

Abstract

We introduce a polynomial invariant of virtual links that is non-trivial for many virtuals, but is trivial on classical links. Also this polynomial is sometimes useful to find the virtual crossing number of virtual knots. We give various properties of this polynomial and examples.

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

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