We improve the constructions of S. Bagchi and B. Bagchi for Steiner 2-designs which are point-regular over the additive group of a Galois ring. As a consequence, we get new cyclotomic conditions leading to point-regular Steiner 2-designs with block size $k \in {7,9,11,13,17}$.

Cyclotomic conditions leading to new Steiner 2-designs

BURATTI, Marco
1997

Abstract

We improve the constructions of S. Bagchi and B. Bagchi for Steiner 2-designs which are point-regular over the additive group of a Galois ring. As a consequence, we get new cyclotomic conditions leading to point-regular Steiner 2-designs with block size $k \in {7,9,11,13,17}$.
1997
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11391/920107
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