3 papers
math.CO2026
Spectral radius and maximum matching covered graphs with bounded matching number
Xinying Tang, Wenqian Zhang
Let be a graph. The {\em spectral radius} of is the largest eigenvalue of its {\em adjacency matrix}. A {\em matching} of is a set of disjoint edges of . The {\em ma…
math.CO2026
Spectral radius and edge-disjoint connected factors of graphs
Xinying Tang, Wenqian Zhang
For a graph , the spectral radius of is the largest eigenvalue of its adjacency matrix. A connected factor of is a connected spanning subgraph of . For example, a spa…
math.CO2025
Spectral conditions for graphs to contain -factors
Xinying Tang, Wenqian Zhang
Let be a graph. The spectral radius of is the largest eigenvalue of its adjacency matrix. For an integer , a -factor of is a -regular spanning sub…