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# Graded bialgebras

`sage.categories.graded_bialgebras.``GradedBialgebras`(base_ring)

  The category of graded bialgebras

  EXAMPLES:

      sage: C = GradedBialgebras(QQ); C
      Join of Category of graded algebras over Rational Field
          and Category of bialgebras over Rational Field
      sage: C is Bialgebras(QQ).Graded()
      True

  TESTS:

      sage: TestSuite(C).run()

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