Results 161 to 170 of about 282,172 (197)

Characterizing semi-directed phylogenetic networks and their multi-rootable variants. [PDF]

open access: yesTheory Biosci
Holtgrefe N   +4 more
europepmc   +1 more source

Mixed graph colouring for unit-time scheduling

open access: yesInternational Journal of Production Research, 2017
International audienceWe consider the job shop scheduling problem with unit-time operations and the makespan criterion. This problem is reduced to finding an optimal colouring of a special class of mixed graph, where its partial graph without edges ...
Ahmed Kouider   +2 more
exaly   +2 more sources

Mixed graph colorings

Mathematical Methods of Operations Research, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Pierre Hansen   +2 more
openaire   +1 more source

First eigenvalue and first eigenvectors of a nonsingular unicyclic mixed graph

open access: yesDiscrete Mathematics, 2009
Let G be a mixed graph and let L(G) be the Laplacian matrix of the graph G. The first eigenvalue and the first eigenvectors of G are respectively referred to the least nonzero eigenvalue and the corresponding eigenvectors of L(G).
Yi-Zheng Fan
exaly   +2 more sources

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