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On strongly regular graph with parameters (65; 32; 15; 16)

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arxiv 2102.05432 v1 pith:EZ7NVEMU submitted 2021-02-10 math.CO

classification math.CO
keywords congruencesgraphmatricesparametersregularstronglyadjacencyapproach
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We construct a strongly regular graph with the parameters (65; 32; 15; 16). The idea is to search for an adjacency matrix that consists of circulant blocks. Equations with such matrices can be reduced to congruences with polynomials matrices of smaller orders. We can consider these congruences over different moduli for a more efficient computational approach.

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Cited by 1 Pith paper

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  1. Finite permutation groups with quasi-semiregular elements

    math.GR 2025-07 conditional novelty 6.0 of 10

    Finite primitive permutation groups admitting a quasi-semiregular element have O'Nan-Scott type HA, AS, PA, SD or CD, and the alternating and sporadic almost simple cases are classified explicitly.

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