๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Inequalities for quasi-symmetric designs

โœ Scribed by A.R Calderbank


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
498 KB
Volume
48
Category
Article
ISSN
0097-3165

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


Quasi-Symmetric Designs with Good Blocks
โœ T. P. McDonough; V. C. Mavron ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 460 KB

The article is concerned with a characterization of quasi-symmetric (QS) designs with intersection numbers 0 and y. It uses the idea of a good block. Such a block G has the property that for any block B with IG n B J = y, every point is on a block containing G n B. It is proved that if a QS design I

Binary codes and quasi-symmetric designs
โœ A.R. Calderbank; P. Frankl ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 263 KB

obtain a new for the of a -(u, A) design the block intersection st, sZ, . . , s, satisfy sr -sZ-. . . = s, = s(mod 2). This condition eliminates quasi-symmetric 2 -(20,10,18) and 2 -(60,30,58) designs. Quasi-symmetric 2 -(20,8,14) designs are eliminated by an ad hoc coding theoretic argument. A 2 -

Inequalities for t designs
โœ Richard M Wilson ๐Ÿ“‚ Article ๐Ÿ“… 1983 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 489 KB