For every degree sequence of a t-cone tree, unicyclic, or bicyclic graph, the unique general-spectral-radius-maximizing graph is the BFS-type join graph, and strict majorization raises the maximum for c=0,1.
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The general spectral radius and majorization theorem of $t$-cone graphs with given degree sequences
For every degree sequence of a t-cone tree, unicyclic, or bicyclic graph, the unique general-spectral-radius-maximizing graph is the BFS-type join graph, and strict majorization raises the maximum for c=0,1.