Bipacking pairs by quintuples: The case ν≡13 (mod 20)

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A (ν, κ, λ) packing design of order ν, block size κ, and index λ is a collection of κ-element subsets, called blocks, of a ν-set V such that every 2-subset of V occurs in at most λ blocks. The packing problem is to determine the maximum number of blocks in a packing design. Packing with λ=2 is called bipacking. In this paper we solve the bipacking problem in the case κ=5 and ν≡13 (mod 20).

Original languageEnglish
Pages (from-to)47-54
Number of pages8
JournalDiscrete Mathematics
Issue number1-3
StatePublished - Oct 15 1994


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