Branch points and vanishing cycles
The deformation of the critical values as \(s\) becomes smaller and smaller can be seen here:
We depict the movement of the twin branch points and their collisions in the case \(k=9\):

The deformation of the critical values as \(s\) becomes smaller and smaller can be seen here:
We depict the movement of the twin branch points and their collisions in the case \(k=9\):