Characterization of SDP Designs That Yield Certain Spin Models
Combinatorics
2007-05-23 v1
Abstract
We characterize the SDP designs that give rise to four-weight spin models with two values. We prove that the only such designs are the symplectic SDP designs. The proof involves analysis of cardinalities of intersections of four blocks.
Cite
@article{arxiv.math/0212139,
title = {Characterization of SDP Designs That Yield Certain Spin Models},
author = {Carl Bracken and Gary McGuire},
journal= {arXiv preprint arXiv:math/0212139},
year = {2007}
}
Comments
11 pages