def opposite_algebra(A_inf): gen_by_name = AttrDict({}) for gen in A_inf.genset: gen_by_name[gen.name + '*'] = Generator(gen.name + '*') new_A_inf_actions = Bunch_of_arrows([]) for action in A_inf.a_inf_actions: new_action = () for element in action: new_action = new_action + (gen_by_name[element.name + '*'], ) new_A_inf_actions[new_action[:-1][::-1] + (new_action[-1], )] += 1 return simpler_A_inf_Algebra(gen_by_name, 'opposite of ' + A_inf.name, new_A_inf_actions)
def rename_generators(A, list_of_tuples_to_rename): new_generators = AttrDict({}) # for t in list_of_tuples_to_rename: # new_generators[t[1]]=Generator(name=t[1], aux_info=A.gen_by_name[t[0]]) for gen in A.gen_by_name.values(): if gen.name in [t[0] for t in list_of_tuples_to_rename]: t = next(t for t in list_of_tuples_to_rename if t[0] == gen.name) new_generators[t[1]] = Generator(name=t[1], aux_info=A.gen_by_name[t[0]]) else: new_generators[gen.name] = Generator(name=gen.name, aux_info=gen) new_A_inf_actions = Bunch_of_arrows({}) for action in A.a_inf_actions: new_action = () for el in action: new_action = new_action + (next(gen for gen in new_generators.values() if gen.aux_info == el), ) new_A_inf_actions[new_action] += 1 return simpler_A_inf_Algebra(new_generators, A.name + '_renamed', new_A_inf_actions)
def u_i_rename_generators(A): new_generators = AttrDict({}) i = 0 for gen in A.gen_by_name.values(): new_generators["u_" + str(i)] = Generator(name="u_" + str(i), aux_info=gen) i += 1 new_A_inf_actions = Bunch_of_arrows({}) for action in A.a_inf_actions: new_action = () for el in action: new_action = new_action + (next(gen for gen in new_generators.values() if gen.aux_info == el), ) new_A_inf_actions[new_action] += 1 return simpler_A_inf_Algebra(new_generators, A.name + '_renamed', new_A_inf_actions)
def base_change_AA_from_fuk(Fuk, generators, left_dg_algebra, right_dg_algebra): def check_validity(x, action): if action[:-1].count(x) == 1 and (action[-1] in generators): index_of_x = action[:-1].index(x) for el in action[:index_of_x]: if not el.name in left_dg_algebra.gen_by_name.keys(): return False for el in action[index_of_x + 1:-1]: if not el.name in right_dg_algebra.gen_by_name.keys(): return False return True else: return False gen_by_name = AttrDict({}) for x in generators: gen_by_name['' + x.name + ''] = Generator('' + x.name + '') # gen_by_name[''+x.name+''].add_idems(x.idem.left, x.idem.right) # adding idempotents for action in [ act for act in Fuk.a_inf_actions if (len(act) == 3 and ( act[0].name in left_dg_algebra.idem_by_name.keys()) and ( x == act[1]) and (x == act[-1])) ]: left_idem = left_dg_algebra.idem_by_name[action[0].name] for action in [ act for act in Fuk.a_inf_actions if (len(act) == 3 and ( act[1].name in right_dg_algebra.idem_by_name.keys()) and ( x == act[0]) and (x == act[-1])) ]: right_idem = right_dg_algebra.idem_by_name[action[1].name] gen_by_name['' + x.name + ''].add_idems(left_idem, right_idem) arrows = Bunch_of_arrows([]) for y in generators: for action in Fuk.a_inf_actions: if (len(action) == 3 and (action[0].name in left_dg_algebra.idem_by_name.keys()) and (y == action[1]) and (y == action[-1])): continue if (len(action) == 3 and (action[1].name in right_dg_algebra.idem_by_name.keys()) and (y == action[0]) and (y == action[-1])): continue if check_validity(y, action): index_of_y = action[:-1].index(y) tuple_from_left = tuple([ (lambda z: left_dg_algebra.gen_by_name[z.name])(z) for z in action[:index_of_y] ]) tuple_from_right = tuple([ (lambda z: right_dg_algebra.gen_by_name[z.name])(z) for z in action[index_of_y + 1:-1] ]) arrows[(tuple_from_left, gen_by_name['' + y.name + ''], tuple_from_right, gen_by_name['' + action[-1].name + ''])] += 1 return AA_bimodule(gen_by_name, arrows, left_dg_algebra, right_dg_algebra, name='AA_from_Fuk', to_check=True)