|
|
|
|
some results on the complete sigraphs with exactly three non-negative eigenvalues
|
|
|
|
|
|
|
|
نویسنده
|
kermanian abbas ,heydari farideh ,maghasedi mohammad
|
|
منبع
|
communications in combinatorics and optimization - 2025 - دوره : 10 - شماره : 3 - صفحه:657 -663
|
|
چکیده
|
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 $k_n$.
|
|
کلیدواژه
|
sigraph ,complete graph ,two-cyclic graph ,non-negative eigenvalues
|
|
آدرس
|
islamic azad university, karaj branch, department of mathematics, iran, islamic azad university, karaj branch, department of mathematics, iran, islamic azad university, karaj branch, department of mathematics, iran
|
|
پست الکترونیکی
|
maghasedi@kiau.ac.ir
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Authors
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|