2354 search results - page 54 / 471 » Radio number for trees |
ARSCOM
2008
14 years 10 months ago
2008
Various enumeration problems for classes of simply generated families of trees have been the object of investigation in the past. We mention the enumeration of independent subsets,...
EJC
2010
14 years 10 months ago
2010
We consider the number of nodes in the levels of unlabelled rooted random trees and show that the stochastic process given by the properly scaled level sizes weakly converges to th...
ML
2006
ACM
14 years 9 months ago
2006
ACM
We present an approach to email filtering based on the suffix tree data structure. A method for the scoring of emails using the suffix tree is developed and a number of scoring and...
COCOON
2006
Springer
15 years 1 months ago
2006
Springer
We consider the problems of straightening polygonal trees and convexifying polygons by continuous motions such that rigid edges can rotate around vertex joints and no edge crossing...
IJFCS
2007
14 years 9 months ago
2007
The basic properties of distributivity and deletion of pure and o-substitution are investigated. The obtained results are applied to show preservation of recognizability in a numb...