Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4648113 | Discrete Mathematics | 2012 | 5 Pages |
Abstract
The Erdős–Ko–Rado theorem is extended to designs in semilattices with certain conditions. As an application, we show the intersection theorems for the Hamming schemes, the Johnson schemes, bilinear forms schemes, Grassmann schemes, signed sets, partial permutations and restricted signed sets.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Sho Suda,