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Št. zadetkov: 3
Basic tetravalent oriented graphs of independent-cycle type
Nemanja Poznanović, Cheryl E. Praeger
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Oznake: half-arc-transitive;vertex-transitive graph;edge-transitive graph;normal cover;cycle graph;
The family OG(4) consisting of graph-group pairs (Γ, G), where Γ is a finite, connected, 4-valent graph admitting a G-vertex-, and G-edge-transitive, but not G-arc-transitive action, has recently been examined using a normal quotient methodology. A subfamily of OG(4) has been identified as ‘basic’, ...
Leto: 2025 Vir: Repozitorij Univerze na Primorskem (RUP)
Bounds for finite semiprimitive permutation groups
Luke Morgan, Cheryl E. Praeger, Kyle Rosa
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Oznake: permutation groups;base size;minimal degree;
Leto: 2021 Vir: Univerza na Primorskem (UP)
Bounding s for vertex-primitive s-arc-transitive digraphs of alternating and symmetric groups
Junyan Chen, Lei Chen, Michael Giudici, Jing Jian Li, Cheryl E. Praeger, Binzhou Xia
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Oznake: digraph;vertex-primitive;s-arc-transitive;alternating group;symmetric group;
Determining an upper bound on s for finite vertex-primitive s-arc-transitive digraphs has received considerable attention dating back to a question of Praeger in 1990. It was shown by Giudici and Xia that the smallest upper bound on s is attained for some digraph admitting an almost simple s-arc-tra ...
Leto: 2025 Vir: Repozitorij Univerze na Primorskem (RUP)
Št. zadetkov: 3
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