Spaces which are not negatively curved
Lee Mosher, Ulrich Oertel · Communications in Analysis and Geometry · 1998
© If two distinct 2-cells in L have nonempty intersection, then they map to distinct 2-simplices in X.If two distinct 1-cells in L have nonempty intersection, there is no requirement that they map to distinct 1-simplices in X, and so an JV-normal lamination map may have leaves that are not locally embedded near vertices of Pfc+l D Pk P2 jD Pi TD