Graded Hopf algebras¶
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sage.categories.graded_hopf_algebras.
GradedHopfAlgebras
(base_ring)¶ 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()