๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Some new symmetric block designs

โœ Scribed by Edward Spence


Publisher
Elsevier Science
Year
1971
Tongue
English
Weight
164 KB
Volume
11
Category
Article
ISSN
0097-3165

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


Some new symmetric designs
โœ Mario -O. Pavฤeviฤ‡; Edward Spence ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 88 KB

For q, an odd prime power, we construct symmetric 2q 2 2q 1Y q 2 Y 1 2 qq ร€ 1 designs having an automorphism group of order q that ยฎxes 2q 1 points. The construction indicates that for each q the number of such designs that are pairwise non-isomorphic is very large.

A family of symmetric block designs
โœ Albert Leon Whiteman ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 152 KB
Some self-blocking block designs
โœ Dieter Jungnickel ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 834 KB

To Haim Hanani on the occasion of his 75th birthday. Let D be a block design which has a blocking set. We call D self-blocking if the following two conditions hold: (i) The committees of D (i.e. the blocking sets of minimum cardinality of D) form a block design, which we denote by DC and (ii) The co