Intrinsically knotted graphs with linklessly embeddable simple minors
Thomas W. Mattman, Ramin Naimi, Andrei Pavelescu, Elena Pavelescu · Algebraic & Geometric Topology · 2024
It has been an open question whether the deletion or contraction of an edge in an intrinsically knotted graph always yields an intrinsically linked graph.We present a new intrinsically knotted graph that shows the answer to both questions is no.