Coarse base change fails for some modular curves

DOI10.14231/AG-2017-023zbMath1434.11117arXiv1608.01249OpenAlexW2962985638WikidataQ129362376 ScholiaQ129362376MaRDI QIDQ4607415

Kęstutis Česnavičius

Publication date: 13 March 2018

Published in: Algebraic Geometry (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1608.01249

zbMATH Keywords

base changemodular curvelevel structurecoarse moduli space

Mathematics Subject Classification ID

Arithmetic aspects of modular and Shimura varieties (11G18) Modular and Shimura varieties (14G35) Fine and coarse moduli spaces (14D22) Stacks and moduli problems (14D23)

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