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» A Combinatorial Theorem for Trees
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RSA
2006
96views more  RSA 2006»
14 years 11 months ago
Concentration inequalities for functions of independent variables
Following the entropy method this paper presents general concentration inequalities, which can be applied to combinatorial optimization and empirical processes. The inequalities g...
Andreas Maurer
COCOA
2008
Springer
15 years 1 months ago
Elementary Approximation Algorithms for Prize Collecting Steiner Tree Problems
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
Shai Gutner
ICDM
2006
IEEE
134views Data Mining» more  ICDM 2006»
15 years 5 months ago
Fast Frequent Free Tree Mining in Graph Databases
Free tree, as a special graph which is connected, undirected and acyclic, is extensively used in domains such as computational biology, pattern recognition, computer networks, XML...
Peixiang Zhao, Jeffrey Xu Yu
FSTTCS
2006
Springer
15 years 3 months ago
Branching Pushdown Tree Automata
We observe that pushdown tree automata (PTAs) known in the literature cannot express combinations of branching and pushdown properties. This is because a PTA processes the children...
Rajeev Alur, Swarat Chaudhuri
NHM
2010
100views more  NHM 2010»
14 years 6 months ago
A 2-adic approach of the human respiratory tree
We propose here a general framework to address the question of trace operators on a dyadic tree. This work is motivated by the modeling of the human bronchial tree which, thanks t...
Frédéric Bernicot, Bertrand Maury, D...