【摘 要】
：
Let D be a nontrivial symmetric(v, k, λ) design, and G be a subgroup of the full automorphism group of D. In this paper we prove that if G acts flag-transitive
【机 构】
：
DepartmentofMathematics,SchoolofMathematics
【基金项目】
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Supported by the National Natural Science Foundation of China（Grant Nos.11471123,11426066）, the Natural Science Foundation of Guangdong Province（Grant No.S2013010011928）
论文部分内容阅读
Let D be a nontrivial symmetric(v, k, λ) design, and G be a subgroup of the full automorphism group of D. In this paper we prove that if G acts flag-transitively, pointprimitively on D and Soc(G) = PSL(2, q), then D has parameters(7, 3, 1),(7, 4, 2),(11,
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