apical_features()
temporal_apical_features()
windowed_temporal_apical_features()
hash()
hash32()
hash64()
find_apical_paths()
compute_gudhi_persistence()
find_local_curvatures()
find_spectral_gaps()
remove_degree_k_nodes_over_time()
add_missing_times()
euclidean_distance()
relabel_negative_nodes()
remove_degree_k_nodes()
spectral_gap()
split_into_span()