STNB2026 (39th edition)
Correspondence theorems for infinite Hopf–Galois extensions
Presenters
Gabor Wiese
Abstract
In this talk, I will speak on joint work with Hoan-Phung Bui and Joost Vercruysse, which extends Hopf–Galois theory to infinite field extensions. We provide a natural definition of subextensions and for separable (possibly infinite) Hopf–Galois extensions, we obtain a Galois correspondence.
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