Abstract
It has been shown that if a (v, k, λ)-symmetric design with λ ≤ 3 admits a flag-transitive automorphism group G which acts primitively on points, then G must be of affine or almost simple type. Here we extend the result to λ = 4.
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Communicated by C. E. Praeger.
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O’Reilly-Regueiro, E. Reduction for primitive flag-transitive (v, k, 4)-symmetric designs. Des. Codes Cryptogr. 56, 61–63 (2010). https://doi.org/10.1007/s10623-009-9341-8
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DOI: https://doi.org/10.1007/s10623-009-9341-8