On quasi-symmetric designs with intersection difference three

V. C. Mavron, Thomas McDonough, M. S. Shrikhande

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9 Citations (SciVal)
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In a recent paper, Pawale [22] investigated quasi-symmetric 2-(v, k, lambda) designs with intersection numbers x > 0 and y = x + 2 with lambda > 1 and showed that under these conditions either lambda = x + 1 or lambda = x + 2, or D is a design with parameters given in the form of an explicit table, or the complement of one of these designs. In this paper, quasi-symmetric designs with y-x = 3 are investigated. It is shown that such a design or its complement has parameter set which is one of finitely many which are listed explicitly or lambda
Original languageEnglish
Pages (from-to)73-86
Number of pages14
JournalDesigns, Codes and Cryptography
Issue number1
Publication statusPublished - Apr 2012


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