## Abstract This note provides a correction and some additions to a 1999 article by Luigia Berardi and Fulvio Zuanni on blocking 3βsets in designs. Β© 2012 Wiley Periodicals, Inc. J. Combin. Designs 20: 328β331, 2012
β¦ LIBER β¦
4-blocked hadamard 3-designs
β Scribed by Luigia Berardi; Marco Buratti; Stefano Innamorati
- Book ID
- 108316108
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 576 KB
- Volume
- 174
- Category
- Article
- ISSN
- 0012-365X
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A blocking set of a design different from a 2-(Ξ»+ 2, Ξ»+ 1, Ξ») design has at least 3 points. The aim of this note is to establish which 2-(v, k, Ξ» ) designs D with r β₯ 2Ξ» may contain a blocking 3-set. The main results are the following. If D contains a blocking 3-set, then D is one of the following d
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