4 citations
1 paper
Keiichi Horie, Teruaki Kitano, Mineko Matsumoto +1
Let K be a prime knot in S3 and G(K)=π1(S3−K) the knot group. We write K1≥K2 if there exists a surjective homomorphism from G(K1) onto G(K2). In this paper,…