Zhenyu Ni

collaborators

2 papers

math.CO2022

Spectral extremal graphs for disjoint cliques

Zhenyu Ni, Jing Wang, Liying Kang

The $k K_{r + 1}$ is the union of $k$ disjoint copies of $(r + 1)$ -clique. Moon [Canad. J. Math. 20 (1968) 95--102] and Simonovits [Theory of Graphs (Proc. colloq., Tihany, 1996)] indep…

math.CO2022

Spectral Turán Type Problems on Cancellative Hypergraphs

Zhenyu Ni, Lele Liu, Liying Kang

Let $G$ be a cancellative $3$ -uniform hypergraph in which the symmetric difference of any two edges is not contained in a third one. Equivalently, a $3$ -uniform hypergraph $G$ is c…