2015/12/30 by Ash Lightfoot, Lightfoot, Ash
Mathematics · #57N35 #57Q45 #FOS: Mathematics #Geometric Topology (math.GT) #math.GT #msc:57N35 #msc:57Q45
paper · pdf · doi:10.48550/arxiv.1512.09154
13 pages, color figures
arxiv created 2015/12/30 · arxiv updated 2016/01/01
We affirmatively address the question of whether the proposed link homotopy invariant ω of Li is well-defined. It is also shown that if one wishes to adapt the homotopy invariant τ of Schneiderman-Teichner to a link homotopy invariant of link maps, the result coincides with ω.