Abstract
Let K be a satellite ( 1 , 1 ) -knot in S 3 and T an essential torus in the exterior of K. Suppose that there is a closed orientable essential meridionally incompressible surface, say F. We show that F is always isotopic to the essential torus T. To this end, we study compact orientable essential surfaces in the exterior of non-trivial 2-bridge links. Moreover, we characterize ( 1 , 1 ) -splittings of ( 1 , 1 ) -knots containing F in their exterior by using the concept of the distance of ( 1 , 1 ) -splittings.
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