English

Semistable Reduction Theorem for Overconvergent $F$-isocrystals over Laurent Series Fields

Number Theory 2026-04-21 v1 Algebraic Geometry

Abstract

We prove the semistable reduction theorem for EK\mathcal{E}^{\dag}_K-valued and KK-valued overconvergent FF-isocrystals over k((t))k((t))-varieties which were introduced by Lazda and P\'{a}l. As an application, we prove the finite dimensionality of EK\mathcal{E}^{\dag}_K-valued rigid cohomology with compact support.

Keywords

Cite

@article{arxiv.2604.17799,
  title  = {Semistable Reduction Theorem for Overconvergent $F$-isocrystals over Laurent Series Fields},
  author = {Yuanmin Liu},
  journal= {arXiv preprint arXiv:2604.17799},
  year   = {2026}
}