Mavron, V. C.

McDonough, Thomas

Shrikhande, M. S.

English

In a recent paper, Pawale [22] investigated quasi-symmetric 2-(v, k, lambda) designs with intersection numbers x &gt; 0 and y = x + 2 with lambda &gt; 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 lambd

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On quasi-symmetric designs with intersection difference three

https://pure.aber.ac.uk/portal/files/175268/qsd_difference_three_postprint.pdf

On quasi-symmetric designs with intersection difference three

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