Abstract
Two constructions are described that yield an improved lower bound for the number of 2-designs with the parameters of PG d (n, q), and a lower bound for the number of resolved 2-designs with the parameters of AG d (n, q).
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Communicated by V. D. Tonchev.
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Donovan, D.M., Grannell, M.J. Designs having the parameters of projective and affine spaces. Des. Codes Cryptogr. 60, 225–240 (2011). https://doi.org/10.1007/s10623-010-9429-1
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DOI: https://doi.org/10.1007/s10623-010-9429-1