Quasi-symmetric designs with the difference of block intersection numbers two |
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Authors: | Rajendra M. Pawale |
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Affiliation: | (1) School of Mathematical Sciences, Queen Mary, University of London, London, E1 4NS, UK |
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Abstract: | Quasi-symmetric designs with intersection numbers x > 0 and y = x + 2 under the condition λ > 1 are investigated. If D(v, b, r, k, λ; x, y) is a quasi-symmetric design with above conditions then it is shown that either λ = x + 1 or x + 2 or D is a design with the parameters given in the Table 6 or complement of one of these designs. |
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