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The homotopy sequence for regular singular stratified bundles

A separable proper morphism of varieties with geometrically connected fibers induces a homotopy exact sequence relating the etale fundamental groups of source, target and fiber. Extending work of dos Santos, we prove the existence of an analogous homotopy exact sequence for fundamental group schemes...

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Bibliographic Details
Main Authors: Battiston, Giulia (Author) , Kindler, Lars (Author)
Format: Article (Journal)
Language:English
Published: 2019
In: Annali della Scuola Normale Superiore di Pisa, Classe di Scienze
Year: 2019, Volume: 19, Issue: 3, Pages: 869-888
ISSN:2036-2145
DOI:10.2422/2036-2145.201701_007
Online Access:Verlag, Volltext: https://doi.org/10.2422/2036-2145.201701_007
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Author Notes:Giulia Battiston, Lars Kindler

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