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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…
cs.IT2022★ 4 cited
A general family of Plotkin-optimal two-weight codes over
Hopein Christofen Tang, Djoko Suprijanto
We obtain all possible parameters of Plotkin-optimal two-Lee weight projective codes over together with their weight distributions. We show the existence of codes w…
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…