Bagchi, Bhaskar (1988) No extendable biplane of order nine Journal of Combinatorial Theory, Series A, 49 (1). pp. 1-12. ISSN 0097-3165
PDF
670kB |
Official URL: http://linkinghub.elsevier.com/retrieve/pii/009731...
Related URL: http://dx.doi.org/10.1016/0097-3165(88)90025-8
Abstract
We prove the nonexistence of 3 - (57, 12, 2) designs. This is achieved by a detailed analysis of the ternary code of a putative 3-design with these parameters. In view of a theorem of Mesner, our result is equivalent to nonexistence of triangle-free strongly regular graphs of order 324 and valency 57.
Item Type: | Article |
---|---|
Source: | Copyright of this article belongs to Elsevier Science. |
ID Code: | 1011 |
Deposited On: | 25 Sep 2010 11:21 |
Last Modified: | 27 Jan 2023 04:27 |
Repository Staff Only: item control page