A set H of points in a Steiner system S(t,k,v) is called of even (odd) type if the intersection size is even (odd) with any block. In this paper we give conditions for the non-existence of such sets and examples.

On sets of fixed parity in Steiner systems

INNAMORATI, STEFANO
1988-01-01

Abstract

A set H of points in a Steiner system S(t,k,v) is called of even (odd) type if the intersection size is even (odd) with any block. In this paper we give conditions for the non-existence of such sets and examples.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/38061
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