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math.CO2022
Existence of -Factors in Tough Graphs without Forbidden Subgraphs
Elizabeth Grimm, Songling Shan, Anna Johnsen
For a given graph , a graph is -free if does not contain as an induced subgraph. It is known that every -tough graph with at least three vertices has a -fac…
math.CO2021
Hamiltonicity of 3-tough -free graphs
Andrew Hatfield, Elizabeth Grimm
Chvátal conjectured in 1973 the existence of some constant such that all -tough graphs with at least three vertices are hamiltonian. While the conjecture has been proven for…