English

On supported deformations and birational isotriviality

Algebraic Geometry 2025-09-16 v2

Abstract

It is well known that the general fibers of a fibration f ⁣:XBf\colon X\to B are isomorphic if the general Kodaira-Spencer class vanishes. In this paper we consider the birational analogue when the general Kodaira-Spencer class is supported on a divisor.

Keywords

Cite

@article{arxiv.2506.07059,
  title  = {On supported deformations and birational isotriviality},
  author = {Luca Rizzi and Francesco Zucconi},
  journal= {arXiv preprint arXiv:2506.07059},
  year   = {2025}
}

Comments

various improvements

R2 v1 2026-07-01T03:05:27.940Z