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On some t−(2k, k, λ) designs

✍ Scribed by Ryuzaburo Noda


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
316 KB
Volume
24
Category
Article
ISSN
0097-3165

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Some results on λ-designs with two block
✍ Tariq Alraqad;; Mohan Shrikhande 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 154 KB

A k-design is a family B ={B 1 , B 2 ,...,B v } of subsets of X ={1, 2,...,v} such that |B i ∩B j |=k for all i = j and not all B i are of the same size. The only known example of k-designs (called type-1 designs) are those obtained from symmetric designs by a certain complementation procedure. Ryse