Department of Mathematics, Faculty of Science and Engineering, Saga University, Saga 840-8502, Japan ; Department of Mathematics, Kyushu University, Fukuoka 810-8560, Japan
Abstract:
We study a complex 3-dimensional family of classical Schottky groups of genus 2 as monodromy groups of the hypergeometric equation. We find non-trivial loops in the deformation space; these correspond to continuous integer-shifts of the parameters of the equation.