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R. J. R. Abel Charles J. Colbourn Jianxing Yin Hantao Zhang 《Designs, Codes and Cryptography》1997,10(3):275-307
The basic necessary condition for the existence of a TD(5, ; v)-TD(5, ; u), namely v 4u, is shown to be sufficient for any 1, except when (v, u) = (6, 1) and = 1, and possibly when (v, u) = (10, 1) or (52, 6) and = 1. For the case = 1, 86 new incomplete transversal designs are constructed. Several construction techniques are developed, and some new incomplete TDs with block size six and seven are also presented. 相似文献
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