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چکیده
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The main aim of this article is to study symmetric (v,k,λ) designs admitting a flag-transitive and point-primitive automorphism group G whose socle is PSL(2,q), for q ?= 2,3. In particular we determine all such possible parameters (v,k,λ) and show that there exist five isomorphic classes of such designs with λ = 1,2,3,4.
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