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    • Hopf Galois Extensions and Non-commutative Rings 

      Calderón Mateus, Fabio Alejandro
      In this document we review the notion of Hopf Galois extensions, addressing remarkable examples, some properties and recent advances in such theory. Similarly, we present some families of non-commutative rings and algebras ...
      Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Matemáticas.