3 papers
math.CO2026
Anti-Ramsey Number of Intersecting Odd Cycles
Haojie Zheng
For a graph , the anti-Ramsey number is the maximum number of colors in an edge-coloring of containing no rainbow copy of , where a copy is rai…
math.CO2024
Characterization of Equimatchable Even-Regular Graphs
Xiao Zhao, Haojie Zheng, Fengming Dong +2
The study of equimatchable graphs traces back to Sumner (1979), followed by the foundational work of Lesk, Plummer, and Pulleyblank in 1984. Regarding the characterization of equim…
math.CO2024
The -structure-connectivity of graphs
Xiao Zhao, Haojie Zheng, Hengzhe Li
In this paper, we mainly investigate -structure-connectivity for any connected graph. Let be a connected graph with vertices, we show that is well-…