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paper

Algebraic geometry of Hopf-Galois extensions

arXiv:q-alg/9707022

Abstract

We continue the study of Hopf-Galois extensions with central invariants for a finite dimensional Hopf algebra. We concentrate on the geometrical side on the subject. We understand how to localize Hopf-Galois extensions and to paste them from local datum.

24 pages, LATEX, with major revisions