Xu
Xu index
Odd_even_index
Odd-even index
Platt_number
The sum over all elements of the edge adjacency matrix
Pogliani_index
Pogliani index
Quadratic_index
Quadratic index
Ramification_index
The sum runs over all the vertex degrees greater than two
Dispersion_distance_matrix
Dispersion of distance matrix
Eccentric_adjacency_index
Eccentric adjacency index
Eccentric_connectivity_index
Eccentric connectivity index
Edge_connectivity_index
Edge connectivity index