Conjugate Laplacian eigenvalues of co-neighbour graphs

• Datum: 2022
• 1. Verfasser: Paul, S.
• Format: Artikel
• Sprache: English
• Veröffentlicht: Lugansk National Taras Shevchenko University 2022
• Schlagworte: conjugate Laplacian matrix; co-neighbour vertices; 05C50; 05C05; 15A18
• Online Zugang: https://admjournal.luguniv.edu.ua/index.php/adm/article/view/1754
• Назва журналу: Algebra and Discrete Mathematics

Let \(G\) be a simple graph of order \(n\). A vertex subset is called independent if its elements are pairwise non-adjacent. Two vertices in \(G\) are co-neighbour vertices if they share the same neighbours. Clearly, if \(S\) is a set of pairwise co-neighbour vertices of a graph \(G\), then \(S\) is...