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  • The core of a complementary prism
    Orel, Marko, matematik, 1980-
    The complementary prism ▫$\Gamma\bar{\Gamma}$▫ is constructed from the disjoint union of a graph ▫$\Gamma$▫ and its complement ▫$\bar{\Gamma}$▫ if an edge is added between each pair of identical ... vertices in ▫$\Gamma$▫ and ▫$\bar{\Gamma}$▫. It generalizes the Petersen graph, which is obtained if is the pentagon. The core of the complementary prism is investigated for arbitrary simple graph . In particular, it is shown that if is strongly regular and self-complementary, then ▫$\Gamma\bar{\Gamma}$▫ is a core, i.e. all its endomorphisms are automorphisms.
    Source: Journal of algebraic combinatorics. - ISSN 0925-9899 (Vol. 58, iss. 3, 2023, str. 589-609)
    Type of material - article, component part ; adult, serious
    Publish date - 2023
    Language - english
    COBISS.SI-ID - 169553923

source: Journal of algebraic combinatorics. - ISSN 0925-9899 (Vol. 58, iss. 3, 2023, str. 589-609)

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