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math.CO2020
On interval transmission irregular graphs
Salem Al-Yakoob, Dragan Stevanovic
Transmission of a vertex v of a connected graph G is the sum of distances from v to all other vertices in G. Graph G is transmission irregular (TI) if no two of its vertices have t…
math.CO2011★ 20 cited
On the Wiener index and Laplacian coefficients of graphs with given diameter or radius
Aleksandar Ilic, Andreja Ilic, Dragan Stevanovic
Let be a simple undirected -vertex graph with the characteristic polynomial of its Laplacian matrix , . It is we…