Zhenyu Ni

collaborators

2 papers

math.CO2024

Hypergraph Extensions of Spectral Turán Theorem

Lele Liu, Zhenyu Ni, Jing Wang +1

The spectral Turán theorem states that the $k$ -partite Turán graph is the unique graph attaining the maximum adjacency spectral radius among all graphs of order $n$ containing no t…

math.CO2023

Extremal problems for disjoint graphs

Zhenyu Ni, Jing Wang, Liying Kang

For a simple graph $F$ , let $EX (n, F)$ and $E X_{sp} (n, F)$ be the set of graphs with the maximum number of edges and the set of graphs with the maximum spectral ra…