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math.CO2025
Positive matching decompositions of the cartesian product of graphs
Mohammad Farrokhi Derakhshandeh Ghouchan, Ali Akbar Yazdan Pour
Let be a finite simple graph. A matching is positive if there exists a weight function on such that the matching is characterized by those edges w…
math.CO2021
Positive matching decompositions of graphs
Mohammad Farrokhi Derakhshandeh Ghouchan, Shekoofeh Gharakhloo, Ali Akbar Yazdan Pour
A matching in a graph is positive if has a vertex-labeling such that coincides with the set of edges with positive weights. A positive matching decomposition (pmd)…