723 search results - page 2 / 145 » On the hyperbolicity constant in graphs |
EM
2010
13 years 7 months ago
2010
In this paper we enumerate and classify the "simplest" pairs (M, G) where M is a closed orientable 3-manifold and G is a trivalent graph embedded in M. To enumerate the p...
CORR
2012
Springer
12 years 3 months ago
2012
Springer
STOC
2012
ACM
11 years 9 months ago
2012
ACM
PKDD
2001
Springer
13 years 11 months ago
2001
Springer
This paper introduces a new type of Self-Organizing Map (SOM) for Text Categorization and Semantic Browsing. We propose a “hyperbolic SOM” (HSOM) based on a regular tesselation...
DM
2010
13 years 7 months ago
2010
We investigate further the concept of asymptotic connectivity as defined previously by the first author. In particular, we compute an upper bound on the asymptotic connectivity of ...