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    • H-Galois extensions with normal basis for weak Hopf algebras 

      Alonso Álvarez, José Nicanor; Fernández Vilaboa, José Manuel; González Rodríguez, Ramón (International Electronic Journal of Algebra, 2017)
      Let H be a weak Hopf algebra and let A be an H-comodule algebra with subalgebra of coinvariants AH. In this paper we introduce the notion of H-Galois extension with normal basis and we prove that AH ,→ A is an H-Galois ...
    • The group of strong Galois objects associated to a cocommutative Hopf quasigroup 

      Alonso Álvarez, José Nicanor; Fernández Vilaboa, José Manuel; González Rodríguez, Ramón (Korean Mathematical Society, 2017)
      Let H be a cocommutative faithfully flat Hopf quasigroup in a strict symmetric monoidal category with equalizers. In this paper we introduce the notion of (strong) Galois H-object and we prove that the set of isomorphism ...





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