Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleINVOLUTIONS OF KNOTS THAT FIX UNKNOTTING TUNNELS.AuthorsFUTER, DAVIDAbstractLet K be a knot that has an unknotting tunnel τ. We prove that K admits a strong involution that fixes τ pointwise if and only if K is a two-bridge knot and τ its upper or lower tunnel.SubjectsKNOT theory; LOW-dimensional topology; HANDLEBODIES; DIFFERENTIAL topology; MATHEMATICSPublicationJournal of Knot Theory & Its Ramifications, 2007, Vol 16, Issue 6, p741ISSN0218-2165Publication typeArticleDOI10.1142/S0218216507005506