Search Results - "cartesian product"

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  1. 1
    (1/2,1/2)-Fuzzy QS–ideals and its correlation coefficients

    (1/2,1/2)-Fuzzy QS–ideals and its correlation coefficients by Mostafa Hassan, Samy Mostafa

    Published 2024-12-01

    As an extension of intuitionistic fuzzy sets, we introduce the notion of -fuzzy set ( denoted by SSR) of QS -ideals on a OS -algebra and investigate its properties. Furthermore we study the homomorphic image and inverse image of SSR -fuzzy QS -ideals of a QS -algebra under homomorphism of QS -algebr...

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  2. 2
    GRACEFUL CHROMATIC NUMBER OF SOME CARTESIAN PRODUCT GRAPHS

    GRACEFUL CHROMATIC NUMBER OF SOME CARTESIAN PRODUCT GRAPHS by I Nengah Suparta, Mathiyazhagan Venkatachalam, I Gede Aris Gunadi, Putu Andi Cipta Pratama

    Published 2023-12-01

    A graph \(G(V,E)\) is a system consisting of a finite non empty set of vertices \(V(G)\) and a set of edges \(E(G)\). A  (proper) vertex colouring of \(G\) is a function \(f:V(G)\rightarrow \{1,2,\ldots,k\},\) for some positive integer \(k\) such that \(f(u)\neq f(v)\) for every edge \(uv\in E(G)\)....

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    Subjects: “…graceful colouring, graceful chromatics number, cartesian product graph…”
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  3. 3
    Zeroth-order general Randić index for four new sum-graphs

    Zeroth-order general Randić index for four new sum-graphs by Rauf Irshad, Suha Wazzan

    Published 2025-09-01

    For molecular graphs, the topological indices (TIs) proved to be a bridge between graph theory and mathematical chemistry to understand and predict certain properties of underlying chemical substances. In chemical graph theory (CGT), for a (molecular) graph Γ, zeroth-order general Randić index is co...

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