The category of bialgebras with several bases

EXAMPLES:

sage: GradedBialgebras(ZZ)
Category of graded bialgebras over Integer Ring
[Category of graded algebras over Integer Ring, Category of graded coalgebras over Integer Ring, Category of bialgebras over Integer Ring]


TESTS:

sage: TestSuite(GradedBialgebras(ZZ)).run()

class ElementMethods

EXAMPLES:

sage: GradedBialgebras(QQ).super_categories()
[Category of graded algebras over Rational Field, Category of graded coalgebras over Rational Field, Category of bialgebras over Rational Field]