INVESTIGADORES
DRATMAN Ezequiel
congresos y reuniones científicas
Título:
On the spectral radius of signed complete bipartite graphs
Autor/es:
CONDE, CRISTIAN M.; DRATMAN, EZEQUIEL; GRIPPO, LUCIANO N.
Lugar:
Niterói
Reunión:
Workshop; Workshop on Spectral Graph Theory 2023 (WSGT 2023); 2023
Institución organizadora:
Universidade Federal Fluminense
Resumen:
We prove that among all signed graphs $\Sigma = (K_{r,s}, H^−)$ such that $H$ is a tree with $k$ edges, where $k \le \max\{r/2,s/2\}$, the graphs with the maximum spectral radius have a graph $H$ isomorphic to a star or a double star.
