Title of article :
ON THE EIGENVALUES OF FIREFLY GRAPHS
Author/Authors :
هنگ, ونكسي South China Normal University - School of Mathematical Sciences, South China Normal University, Guangzhou, P R China, China , يوو, ليهوا South China Normal University - School of Mathematical Sciences, South China Normal University, Guangzhou, P R China, China
Abstract :
The sharp upper bounds and the sharp lower bounds of the largest eigenvalues 1, the least eigenvalue n, the second largest eigenvalue 2, the spread and the separator among all firefly graphs on n vertices are determined.
Keywords :
Index , second largest eigenvalue , least eigenvalue , spread , separator ,
Journal title :
Transactions on Combinatorics
Journal title :
Transactions on Combinatorics