2 papers
math.CO2025
A degree sum condition for the existence of a quasi 5-contractible edge in a quasi 5-connected graph
Shuai Kou, Chengfu Qin, Weihua Yang +2
An edge of a quasi -connected graph is said to be quasi -contractible if the contraction of the edge results in a quasi -connected graph. We show that every 5-connected gr…
math.CO2025
A forbidden pair for quasi 5-contractible edges
Shuai Kou, Weihua Yang, Mingzu Zhang +1
An edge of a quasi -connected graph is said to be quasi -contractible if the contraction of the edge results in a quasi -connected graph. If every quasi -connected grap…