On a Generalization of Alexander Polynomial for Long Virtual Knots
arXiv:0906.4245
Abstract
We construct new invariant polynomial for long virtual knots. It is a generalization of Alexander polynomial. We designate it by meaning an analogy with -polynomial for virtual links. A degree of -polynomial estimates a virtual crossing number. We describe some application of -polynomial for the study of minimal long virtual diagrams with respect number of virtual crossings.
arXiv comment5 pages, 1 figure