In this thesis, we will geometrically construct the 3-fold
branched covering space of $D^2$ with finite fixed branch points
having 3 boundary components. We construct 3-fold covering
spaces of $D^2$ with 2 and 3 fixed branch points, by attaching
c...
In this thesis, we will geometrically construct the 3-fold
branched covering space of $D^2$ with finite fixed branch points
having 3 boundary components. We construct 3-fold covering
spaces of $D^2$ with 2 and 3 fixed branch points, by attaching
copies of 3-fold branched covering spaces of $D^2$ with one fixed
branch point by identifying edges. And we construct a
general 3-fold branched covering space of $D^2$ with finite fixed
branch points by extending the copies of 3-fold branched covering
spaces of $D^2$ with two fixed branch points and three fixed
branch points, respectively.