# Graded Hopf algebras¶

The category of graded Hopf algebras.

EXAMPLES:

sage: C = GradedHopfAlgebras(QQ); C
Join of Category of hopf algebras over Rational Field
and Category of graded algebras over Rational Field
sage: C is HopfAlgebras(QQ).Graded()
True


TESTS:

sage: TestSuite(C).run()


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