There exist Steiner systems $S(2,8,225)$ and $S(2,9,289)$

In this note six Steiner systems $S (2, 8, 225)$ and four Steiner systems $S (2, 9, 289)$ are presented. This resolves two of $129$ undecided cases for block designs with block length $8$ and $9$ , mentioned in Handbook of Combinatorial Designs.

There exist Steiner systems $S (2, 8, 225)$ and $S (2, 9, 289)$

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There exist Steiner systems $S (2, 8, 225)$ and $S (2, 9, 289)$

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There exist Steiner systems S(2,8,225)S(2,8,225) and S(2,9,289)S(2,9,289)

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There exist Steiner systems S(2,8,225)S(2,8,225) and S(2,9,289)S(2,9,289)

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There exist Steiner systems $S (2, 8, 225)$ and $S (2, 9, 289)$

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There exist Steiner systems $S (2, 8, 225)$ and $S (2, 9, 289)$

讲解博客

AI智能校验