Some results on the complete sigraphs with exactly three non-negative eigenvalues

Author(s):

Abbas Kermanian , Farideh Heydari * , Mohammad Maghasedi

Message:
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Let $(K_{n},H^-)$ be a complete sigraph of order $n$ whose negative edges induce a subgraph $H$. In this paper, we characterize $(K_n,H^-)$ with exactly 3 non-negative eigenvalues, where $H$ is a non-spanning two-cyclic subgraph of $K_n$.
Keywords:

Sigraph , Complete Graph , Two-Cyclic Graph , Non-Negative Eigenvalues

Language:
English
Published:
Communications in Combinatorics and Optimization, Volume:10 Issue: 3, Summer 2025
Pages:
657 to 663
https://www.magiran.com/p2814625  
مقالات دیگری از این نویسنده (گان)