Finite Unitary Geometries and Block Designs

Benfu Yang 1, Wandi Wei 2
1Dept. of Mathematics Chengdu Teachers College Penzhou Sichuan Province P.R. China 611930
2Dept. of Mathematics Sichuan University Chengdu P.R. China 610064

Abstract

Taking as blocks some subspace pairs in a finite unitary geometry, we construct a number of new Balanced Incomplete Block (BIB) designs and Partially Balanced Incomplete Block (PBIB) designs, and also give their parameters.