sentence1: it will remain efficient as long as the counterparts of the clebsch-gordan coefficients remain efficiently computable to within high precision and the out-degree of any vertex of the branching diagram is bounded by a constant .
sentence2: it will remain efficient as long as the counterparts of the clebschgordan coefficients remain efficiently computable to high precision and the out-degree of any vertex of the branching diagram will be bounded by a constant .