engleski

Some new Partial Symmetric Designs Derived from Symmetric Design with "lambda" >1

In this paper we derive partial symmetric designs (PSD) by rejection of any tight subdesigns in symmetric design for "lambda" >1. Also, we prove the existence of a PSD as the fixed structure of Baer automorphism on the points - hyperplanes design PG 2d(index) (2d + 1, q).

Symmetric design; tight (Bear) subdesign; partial symmetric design; automorphism

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