Anabelian geometry with étale homotopy types generalizes in a natural way classical anabelian geometry with étale fundamental groups. We show that, both in the classical and the generalized sense, any point of a smooth variety over a field $k$ that is finitely generated over $\mathbb{Q}$ has a fundamental system of (affine) anabelian Zariski-neighborhoods. This was predicted by Grothendieck in his letter to Faltings.
Alexander Schmidt  1 ; Jakob Stix  2
@article{10_4007_annals_2016_184_3_5,
author = {Alexander Schmidt and Jakob Stix},
title = {Anabelian geometry with \'etale homotopy types},
journal = {Annals of mathematics},
pages = {817--868},
year = {2016},
volume = {184},
number = {3},
doi = {10.4007/annals.2016.184.3.5},
mrnumber = {3549624},
zbl = {06647933},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2016.184.3.5/}
}
TY - JOUR AU - Alexander Schmidt AU - Jakob Stix TI - Anabelian geometry with étale homotopy types JO - Annals of mathematics PY - 2016 SP - 817 EP - 868 VL - 184 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2016.184.3.5/ DO - 10.4007/annals.2016.184.3.5 LA - en ID - 10_4007_annals_2016_184_3_5 ER -
Alexander Schmidt; Jakob Stix. Anabelian geometry with étale homotopy types. Annals of mathematics, Tome 184 (2016) no. 3, pp. 817-868. doi: 10.4007/annals.2016.184.3.5
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