## Abstract Balanced sampling plans excluding contiguous units (or BSEC) were first introduced by Hedayat, Rao, and Stufken in 1988. In this paper, we generalize the concept of a cyclic BSEC to a cyclic balanced sampling plan to avoid the selection of adjacent units (or CBSA for short) and use Lang
The spectrum of cyclic (3, λ)-GDD of typegv
✍ Scribed by XiaoMiao Wang; YanXun Chang
- Book ID
- 107348116
- Publisher
- SP Science China Press
- Year
- 2010
- Tongue
- English
- Weight
- 259 KB
- Volume
- 53
- Category
- Article
- ISSN
- 1674-7283
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📜 SIMILAR VOLUMES
## Abstract In this article, a kind of auxiliary design BSA^\*^ for constructing BSAs is introduced and studied. Two powerful recursive constructions on BSAs from 3‐IGDDs and BSA^\*^s are exploited. Finally, the necessary and sufficient conditions for the existence of a __BSA__(__v__, 3, λ; α) with
A triple system TS(u, A) is a collection of 3-element subsets (= blocks) of a v-element set X such that each pair x, yeX is contained in precisely 1 blocks. We determine the spectrum of i-times repeated blocks in a TS(r, i), leaving only one value in doubt for each v = 2 (mod 12). ## 1. Introductio