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math.CO2020
Super connectivity of lexicographic product graphs
Khalid Kamyab, Mohsen Ghasemi, Rezvan Varmazyar
For a graph , denotes its connectivity. A graph is super connected if every minimum vertex-cut isolates a vertex. Also -connectivity of a connected graph is the mi…
math.CO2020
Normality of one-matching semi-Cayley graphs over finite abelian groups with maximum degree three
Majid Arezoomand, Mohsen Ghasemi
A graph is said to be a semi-Cayley graph over a group if it admits as a semiregular automorphism group with two orbits of equal size. We say that is normal if …