Algebraic spaces that become schematic after ground field extension

2021/09/13 by Stefan Schröer, Schröer, Stefan
Mathematics · #14A20 #14E20 #14L30 #Advanced Algebra and Geometry #Advanced Topics in Algebra #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #FOS: Mathematics #math.AG #msc:14A20 #msc:14E20 #msc:14L30

paper · pdf · doi:10.48550/arxiv.2109.05724

7 pages

arxiv created 2021/09/13 · openalex publication_date 2021/09/13 · arxiv updated 2021/09/14 · openalex created_date 2022/07/25 · openalex updated_date 2026/07/29

Abstract

We construct examples of non-schematic algebraic spaces that become schemes after finite ground field extensions.

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