engleski

A new Steiner S(2,5,41) design

We report on a complete classification of Steiner 2-designs S(2,5,41) with automorphisms of order 4. There are five such designs, all of which had been previously constructed. However, the search produced a new S(2,5,41) with full automorphism group of order 2. Thus the number of known S(2,5,41) designs is now 15.

Steiner system; block design

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