%0 Journal Article
%T On Free Knots
%A Vassily Olegovich Manturov
%J Mathematics
%D 2009
%I arXiv
%X We prove that for some knot-like objects one can easily recognize non-equivalence w.r.t. all Reidemeister moves by studying some equivalence classes modulo only 2nd Reidemeister moves. There are applications to virtual knots, graph-links and looped graphs.
%U http://arxiv.org/abs/0901.2214v2