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math.CO2022
Harmonic Tutte polynomials of matroids II
Thomas Britz, Himadri Shekhar Chakraborty, Reina Ishikawa +2
In this work, we introduce the harmonic generalization of the -tuple weight enumerators of codes over finite Frobenius rings. A harmonic version of the MacWilliams-type identity…
math.CO2022
Bounds on the closeness centrality of a graph
Thomas Britz, Xin Hu, Abdellah Islam +1
We present new values and bounds on the (normalised) closeness centrality of connected graphs and on its product with the mean dist…