def toDGenerator(self, new_parent):
"""Convert to a generator of a type D structure over the bialgebra."""
new_idem = TensorIdempotent((self.idem1, self.idem2))
new_gen = DGenerator(new_parent, new_idem)
new_gen.__dict__.update(self.__dict__)
new_gen.parent, new_gen.idem = new_parent, new_idem
return new_gen
def __init__(self, parent, gen_left, gen_right):
"""Specify generators on two sides of the tensor (DA/DD and D
generators).
"""
# Note tuple initialization is automatic
DGenerator.__init__(self, parent, gen_left.idem1)
self.gen_left = gen_left
self.gen_right = gen_right
filt = []
if hasattr(gen_left, "filtration"):
filt += gen_left.filtration
if hasattr(gen_right, "filtration"):
filt += gen_right.filtration
if filt != []:
self.filtration = filt
def __init__(self, parent, gen_left, gen_right):
DGenerator.__init__(self, parent,
gen_left.idem) # missing come back and fill in
def __init__(self, parent, gen_left, gen_right):
DGenerator.__init__(self, parent, gen_left.idem) # missing come back and fill in
def __init__(self, parent, gen_left, gen_right):
"""Specify generators on two sides of the tensor (D and DD generators).
"""
# Note tuple initialization is automatic
DGenerator.__init__(self, parent, gen_right.idem2)
def __init__(self, parent, source, coeff, target):
"""Specifies the morphism source -> coeff * target."""
DGenerator.__init__(self, parent, source.idem2.opp())
MorObject.__init__(self, source, coeff, target)