权威例句
Forbidden moves unknot a virtual knotKhovanov homology is an unknot-detectorStrings Unknot Problems in Particle Theory, Black HolesM¨ obius energy of knots and unknotA New Algorithm For Recognizing The UnknotHomological characterization of the unknotUnknot Diagrams Requiring a Quadratic Number of Reidemeister Moves to UntangleHodge integrals and invariants of the unknotWheels, wheeling, and the Kontsevich integral of the UnknotType II DNA topoisomerases: Enzymes that can unknot a topologically knotted DNA molecule via a reversible double-strand break
