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» On Computable Tree Functions
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STOC
2003
ACM
133views Algorithms» more  STOC 2003»
16 years 3 months ago
A fast algorithm for computing steiner edge connectivity
Given an undirected graph or an Eulerian directed graph G and a subset S of its vertices, we show how to determine the edge connectivity C of the vertices in S in time O(C3 n log ...
Richard Cole, Ramesh Hariharan
ICALP
2005
Springer
15 years 9 months ago
Logics for Unranked Trees: An Overview
Labeled unranked trees are used as a model of XML documents, and logical languages for them have been studied actively over the past several years. Such logics have different purpo...
Leonid Libkin
144
Voted
TOG
2012
222views Communications» more  TOG 2012»
13 years 5 months ago
Plastic trees: interactive self-adapting botanical tree models
We present a dynamic tree modeling and representation technique that allows complex tree models to interact with their environment. Our method uses changes in the light distributi...
Sören Pirk, Ondrej Stava, Julian Kratt, Miche...
FCT
2009
Springer
15 years 10 months ago
Martingales on Trees and the Empire Chromatic Number of Random Trees
We study the empire colouring problem (as defined by Percy Heawood in 1890) for maps whose dual planar graph is a tree, with empires formed by exactly r countries. We prove that, ...
Colin Cooper, Andrew R. A. McGrae, Michele Zito
88
Voted
JSYML
2000
56views more  JSYML 2000»
15 years 3 months ago
Computability over The Partial Continuous Functionals
We show that to every recursive total continuous functional there is a representative of in the hierearchy of partial continuous functionals such that is S1 - S9 computable ov...
Dag Normann