We first review the concept of ascending sequence of pseudo-fiber
surface introduced by the author for generalizing the results of [Ko].
The purpose of these talks is to show how the formulation works for
torus knots. Main Theorem says that for any torus knot $T(p,q)$ ($0
In the first talk, we introduce a presentation of certain Seifert
surfaces for torus knots. In the second talk, we give the proof of Main
Theorem by using the presentation.