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Some operations preserving the existence of kernels - MaRDI portal

Some operations preserving the existence of kernels (Q1301845)

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scientific article; zbMATH DE number 1334688
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Some operations preserving the existence of kernels
scientific article; zbMATH DE number 1334688

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    Some operations preserving the existence of kernels (English)
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    26 April 2000
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    The join operation of two graphs, the adjacent duplication and the non-adjacent duplication of a vertex are introduced. The resulting graphs or their orientations are investigated from the point of view of kernel-perfectness, of solvability and of existence of kernels, respectively.
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    kernels of digraphs
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    solvability of graphs
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