8 search results - page 2 / 2 » A dichotomy for minimum cost graph homomorphisms |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
For digraphs G and H, a homomorphism of G to H is a mapping f : V (G)→V (H) such that uv ∈ A(G) implies f(u)f(v) ∈ A(H). If, moreover, each vertex u ∈ V (G) is associated ...
AAIM
2005
Springer
15 years 3 months ago
2005
Springer
103
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BIBE
2007
IEEE
15 years 4 months ago
2007
IEEE
Network mapping is a convenient tool for comparing and exploring biological networks; it can be used for predicting unknown pathways, fast and meaningful searching of databases, a...