On Graded Bialgebra Deformations
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gradedbialgebradeformationsandruskiewitsch-schneidercohomologycorrespondingdeformationexplain
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We introduce the graded bialgebra deformations, which explain Andruskiewitsch-Schneider's liftings method. We also relate this graded bialgebra deformation with the corresponding graded bialgebra cohomology groups, which is the graded version of the one due to Gerstenhaber-Schack.
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