2 papers
math.AG2025
Realization of symmetry of -surfaces as transformations of logarithmic connections
Takafumi Matsumoto
An -surface is a space of initial conditions of certain difference Painlevé equations. -surfaces are realized as the moduli spaces of parabolic logarithmic…
math.AG2024
Moduli space of rank three logarithmic connections on the projective line with three poles
Takafumi Matsumoto
In this paper, we describe the moduli space of rank three parabolic logarithmic connections on the projective line with three poles for any local exponents. In particular, we show…