Alexander Schmidt: On the étale site of a marked scheme
Title: On the
étale site of a marked scheme, Appendix to "Toward good families of
codes from towers of surfaces"
by Alain Couvreur, Philippe Lebacque, and Marc Perret
In: In Contemporary Mathematics, vol. 770, "Arithmetic, Geometry, Cryptography and Coding Theory" (Editors: St. Ballet, G. Bisson, and I. Bouw), 2021, 94-101
|| Abstract: We verify basic properties of the étale
site of a `scheme with marking'. The coverings are étale
coverings that split over all marked points.
Familiar cases are the small étale site (no marking) and the
Nisnevich site (all points are marked).
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