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arxiv: 1006.3014 · v1 · submitted 2010-06-15 · 🧮 math.QA

Hopf-Galois objects and cogroupoids

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keywords hopf-galoiscogroupoidslecturesobjectstheoryadvantageouslyaspectscordoba
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We survey some aspects of the theory of Hopf-Galois objects that may studied advantageously by using the language of cogroupoids. These are the notes for a series of lectures given at Cordoba University, may 2010. The lectures are part of the course ``Hopf-Galois theory'' by Sonia Natale.

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