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Invertible Weak Entwining Structures and Weak C-cleft Extensions |
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| Authors: | J N Alonso Álvarez J M Fernández Vilaboa R González Rodríguez A B Rodríguez Raposo |
| Institution: | (1) Departamento de Matemáticas, Universidade de Vigo, Campus Universitario Lagoas-Marcosende, 36280 Vigo, Spain;(2) Departamento de álxebra, Universidade de Santiago de Compostela, 15771 Santiago de Compostela, Spain;(3) Departamento de Matemática Aplicada II, Universidade deVigo, Campus Universitario Lagoas-Marcosende, 36280 Vigo, Spain |
| Abstract: | In this note we improve the definition of invertible weak entwining structure. Also we clarify what invertibility means for weak cleft extensions and weak C-Galois extensions. |
| Keywords: | invertible weak entwining structure weak C-Galois extension weak C-cleft extension |
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