| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4652371 | Electronic Notes in Discrete Mathematics | 2009 | 5 Pages |
Abstract
We define nowhere dense and somewhere dense classes by means of counting of homomorphisms from test graphs. This seems to be bridging the gap between existential and counting theorems (for graph homomorphisms) and it has application to complexity of Boolean queries.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
