32 search results - page 1 / 7 » Dual graph homomorphism functions |
JCT
2010
13 years 3 months ago
2010
GC
2010
Springer
13 years 4 months ago
2010
Springer
A directed graph has a natural Z-module homomorphism from the underlying graph’s cycle space to Z where the image of an oriented cycle is the number of forward edges minus the n...
EJC
2008
13 years 5 months ago
2008
Tension-continuous (shortly TT) mappings are mappings between the edge sets of graphs. They generalize graph homomorphisms. From another perspective, tension-continuous mappings a...
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We introduce a generic approach for counting subgraphs in a graph. The main idea is to relate counting subgraphs to counting graph homomorphisms. This approach provides new algori...