Sane, Sharad S. ; Shrikhande, Mohan S. (1986) Finiteness questions in quasi- symmetric designs Journal of Combinatorial Theory - Series A, 42 (2). pp. 252-258. ISSN 0097-3165
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0097-3165(86)90095-6
Abstract
Quasi-symmetric designs with block intersection numbers 0 and y≥2 are considered. It is shown that the number of such designs is finite under any one of the following two restrictions: (1) The block size k is fixed. (2) The integer pair (e̅, z), with the following property is fixed: the number of blocks disjoint from a given block is at most ē and the positive block intersection number y is at most z. The connection of these results with a well-known conjecture on symmetric designs is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 68007 |
| Deposited On: | 02 Nov 2011 03:09 |
| Last Modified: | 02 Nov 2011 03:09 |
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