EntityQ2548661· pop 7· linked from 100 articlescrossing numberSign in to savenon-negative integer-valued knot invariant; least number of crossings in a knot diagramConnectionsknot theoryEntityPeter Guthrie TaitEntityconnected sumEntitytorus knotEntityprime knotEntitymathematicsEntitydeoxyribonucleic acidEntityInternational Standard Book NumberEntitymathematical proofEntitydigital object identifierEntityknotEntitybibcodeEntityQ118398EntityconjectureEntitygel electrophoresisEntityBorromean ringsEntityMathematical ReviewsEntityknotEntitytrefoil knotEntitySolomon's knotEntityCategoriesKnot invariants