Q_{4n} is an NCI-group for all n≥2, never an NNN-group, and an NNND-group precisely when n is even and ≥6.
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2 Pith papers cite this work. Polarity classification is still indexing.
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Authors classify arc-transitive inner-automorphic Cayley graphs on dihedral groups, supply a necessary condition plus infinite examples, and finish the 2-distance-transitive case.
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Generalized quaternion NCI-groups, NNN-groups and NNND-groups
Q_{4n} is an NCI-group for all n≥2, never an NNN-group, and an NNND-group precisely when n is even and ≥6.
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On arc-transitive inner-automorphic Cayley graphs on dihedral groups
Authors classify arc-transitive inner-automorphic Cayley graphs on dihedral groups, supply a necessary condition plus infinite examples, and finish the 2-distance-transitive case.