X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=mjo%2Feja%2Feja_element_subalgebra.py;h=73e1cbd9ab34ce1078c6ebaeaade3cc87d3d9448;hb=ce40356d28ec29ebc9bd883ecc6a79c4f0d18e87;hp=cff8b4e8bbc8e1f2119061ca5a5bb84842393a03;hpb=12178d0b2943c4fe22c34c57171c794bec6a853a;p=sage.d.git diff --git a/mjo/eja/eja_element_subalgebra.py b/mjo/eja/eja_element_subalgebra.py index cff8b4e..73e1cbd 100644 --- a/mjo/eja/eja_element_subalgebra.py +++ b/mjo/eja/eja_element_subalgebra.py @@ -49,43 +49,19 @@ class FiniteDimensionalEuclideanJordanElementSubalgebra(FiniteDimensionalEuclide W = V.span_of_basis( V.from_vector(v) for v in basis_vectors ) + fdeja = super(FiniteDimensionalEuclideanJordanElementSubalgebra, self) + fdeja.__init__(self._superalgebra, + superalgebra_basis, + category=category, + check_axioms=False) + # The rank is the highest possible degree of a minimal # polynomial, and is bounded above by the dimension. We know # in this case that there's an element whose minimal # polynomial has the same degree as the space's dimension # (remember how we constructed the space?), so that must be # its rank too. - rank = W.dimension() - - fdeja = super(FiniteDimensionalEuclideanJordanElementSubalgebra, self) - return fdeja.__init__(self._superalgebra, - superalgebra_basis, - rank=rank, - category=category) - - - def _a_regular_element(self): - """ - Override the superalgebra method to return the one - regular element that is sure to exist in this - subalgebra, namely the element that generated it. - - SETUP:: - - sage: from mjo.eja.eja_algebra import random_eja - - TESTS:: - - sage: set_random_seed() - sage: J = random_eja().random_element().subalgebra_generated_by() - sage: J._a_regular_element().is_regular() - True - - """ - if self.dimension() == 0: - return self.zero() - else: - return self.monomial(1) + self.rank.set_cache(W.dimension()) def one(self):