3 papers
math.CO2026
The matching book embedding of the -sum of two graphs
Zeling Shao, Ruxing Sun, Zhiguo Li
The -sum is a new graph operation defined by combining four graph transformation operations with the Cartesian product operation. A matching book embedding of a graph is a b…
math.CO2026
The degeneracy and Alon-Tarsi number under -sum operations
Zhiguo Li, Zhentao Jiao, Zeling Shao
The Alon-Tarsi number of a graph is the smallest such that there exists an orientation of with maximum outdegree satisfying that the number of eve…
math.CO2025
The Alon-Tarsi Number of Cartesian product and Corona product of Hypercube Graph and Special Graphs
Zhiguo Li, Yujia Gai, Zeling Shao
The \emph{Alon-Tarsi number} of a graph is the smallest so that there exists an orientation of with max outdegree satisfying the number of even Eulerian subgr…