Fano Quads in Projective Planes

Ralph G. Stanton1, William Kocay1
1Department of Computer Science University of Manitoba Winnipeg, CANADA R3T 2N2

Abstract

There are two types of quadrangles in a projective plane, Fano quadrangles, and non-Fano quadrangles. The number of quadrangles in some small projective planes is counted according to type, and an interesting configuration in the Hughes plane is displayed.