Fusion Rings# Fusion Rings FusionRing The F-Matrix of a Fusion Ring FMatrix The Fusion Ring of the Drinfeld Double of a Finite Group FusionDouble F-Matrix Backend# Fast F-Matrix Methods executor() Fast Fusion Ring Methods for Computing Braid Group Representations executor() Arithmetic Engine for Polynomials as Tuples apply_coeff_map() compute_known_powers() constant_coeff() get_variables_degrees() poly_to_tup() poly_tup_sortkey() resize() tup_to_univ_poly() variables() Shared Memory Managers for F-Symbol Attributes FvarsHandler KSHandler make_FvarsHandler() make_KSHandler()