Gilad Gour and Nolan R Wallach [J.Math.Phys.51 112201 (2010)] have proposed the 4-tangle and the square of the I concurr......

§1.IntroductionrnLet K be a knot in a 3-sphere S3 and N(K) be a regular neighbourhood of K in S3.Let MK=S3-intN(K),and ......

Let K be a knot in a 3-sphere S^3 and N( K ) be a regular neighbourhood of K in S^3. Let Mk = S^3 - intN (K), and T = э......