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    EJC
    2007
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    Nonsingular mixed graphs with few eigenvalues greater than two
    14 years 3 months ago
    Nonsingular mixed graphs with few eigenvalues greater than two
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    Let G be a nonsingular connected mixed graph. We determine the mixed graphs G on at least seven vertices with exactly two Laplacian eigenvalues greater than 2. In addition, all mi...
    Yi-Zheng Fan, Shi-Cai Gong, Jun Zhou, Ying-Ying Ta...
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    COR
    2006
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    A comparison of two different formulations for arc routing problems on mixed graphs
    14 years 3 months ago
    A comparison of two different formulations for arc routing problems on mixed graphs
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    Arc Routing Problems on mixed graphs have been modelled in the literature either using just one variable per edge or associating to each edge two variables, each one representing ...
    Angel Corberán, Enrique Mota, José M...
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