483 search results - page 27 / 97 » On perfectness of sums of graphs |
CORR
2010
Springer
13 years 8 months ago
2010
Springer
We introduce the notion of Lombardi graph drawings, named after the abstract artist Mark Lombardi. In these drawings, edges are represented as circular arcs rather than as line seg...
GC
2007
Springer
13 years 8 months ago
2007
Springer
Let H be a multigraph and G a graph containing a subgraph isomorphic to a subdivision of H, with S ⊂ V (G) (the ground set) the image of V (H) under the isomorphism. We consider...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
We propose a technique for pattern classification in symbolic streams via selective erasure of observed symbols, in cases where the patterns of interest are represented as Probabil...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The structural properties of graphs are usually characterized in terms of invariants, which are functions of graphs that do not depend on the labeling of the nodes. In this paper ...
TAGT
1994
Springer
14 years 22 days ago
1994
Springer
An operation of concatenation is introduced for graphs. Then strings are viewed as expressions denoting graphs, and string languages are interpreted as graph languages. For a clas...