2016/06/19 by Victor A. Vassiliev, Vassiliev, Victor A.
Mathematics · #57M27 #FOS: Mathematics #Geometric Topology (math.GT) #math.GT #msc:57M27
paper · pdf · doi:10.48550/arxiv.1606.05876
arxiv created 2016/06/19 · arxiv updated 2016/06/21
The construction of integer linking numbers of closed curves in a three-dimensional manifold usually appeals to the orientation of this manifold. We discuss how to avoid it constructing similar homotopy invariants of links in non-orientable manifolds.