2 papers
math.CO2026
Signless Laplacian spectral conditions: Forbidden -cycle and star embeddings
Zhe Wei, Zhenzhen Lou, Changxiang He
The signless Laplacian spectral radius has emerged as a crucial spectral parameter in network science. This paper establishes new extremal results in spectral graph theory by inves…
math.CO2025
A Max-Min problem on spectral radius and connectedness of graphs
Zhenzhen Lou, Changxiang He
In the past decades, many scholars concerned which edge-extremal problems have spectral analogues? Recently, Wang, Kang and Xue showed an interesting result on -free graphs [J.…