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r""" Graded Hopf algebras """ #***************************************************************************** # Copyright (C) 2008 Teresa Gomez-Diaz (CNRS) <Teresa.Gomez-Diaz@univ-mlv.fr> # 2008-2011 Nicolas M. Thiery <nthiery at users.sf.net> # # Distributed under the terms of the GNU General Public License (GPL) # http://www.gnu.org/licenses/ #******************************************************************************
def 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() """
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