On minimality of two-bridge knots
  A knot is called minimal if its knot group admits epimorphisms onto the knot groups of only the trivial knot and itself. In this paper, we determine which two-bridge knot $\mathfrak{b}(p,q)$ is minimal where $q \leq 6$ or $p \leq 100$. 
Fumikazu Nagasato, Masaaki Suzuki and Anh T. Tran
math.GT