Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9512434 | Discrete Mathematics | 2005 | 4 Pages |
Abstract
A theorem of Bannai and Sawano shows that certain four-weight spin models exist if and only if certain quasi-3 designs exist. We verify that the known quasi-3 designs, other than SDP designs, do not give rise to four-weight spin models.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Carl Bracken, Gary McGuire,