2 papers
math.DG2009
Wave equations and the LeBrun-Mason correspondence
Fuminori Nakata
The LeBrun-Mason twistor correspondences for -invariant self-dual Zollfrei metrics are explicitly established. We give explicit formulas for the general solutions of the wave…
math.DG2009
Minitwistor spaces, Severi varieties, and Einstein-Weyl structure
Nobuhiro Honda, Fuminori Nakata
In this paper we show that the space of nodal rational curves, which is so called a Severi variety (of rational curves), on any non-singular projective surface is always equipped w…