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math.CO2026
The local antimagic (total) chromatic numbers of firecracker graphs and edge-corona product graphs
Xue Yang, Hong Bian, Xueliang Li +2
Let G=(V(G),E(G)) be a connected simple graph with n vertices and m edges. A bijection f from the edge set of G to [m] is called a local antimagic labeling of G, if for any two adj…
math.CO2013
Characterization of tricyclic graphs with exactly two -main eigenvalues
Shuchao Li, Xue Yang
The signless Laplacian matrix of a graph is defined to be the sum of its adjacency matrix and degree diagonal matrix, and its eigenvalues are called -eigenvalues of . A $…