Group Divisible Designs with Two Associate Classes and 𝜆2=1
The original classiffcation of PBIBDs defined group divisible designs GDD(𝑣=𝑣1+𝑣2+⋯+𝑣𝑔,𝑔,𝑘,𝜆1,𝜆2) with 𝜆1≠0. In this paper, we prove that the necessary conditions are suffcient for the existence of the group divisible designs with two groups of unequal sizes and block size three with 𝜆2=1....
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2011-01-01
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| Series: | International Journal of Mathematics and Mathematical Sciences |
| Online Access: | http://dx.doi.org/10.1155/2011/148580 |
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