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CSR
2008
Springer
13 years 7 months ago
A Logspace Algorithm for Partial 2-Tree Canonization
Abstract. We show that partial 2-tree canonization, and hence isomorphism testing for partial 2-trees, is in deterministic logspace. Our algorithm involves two steps: (a) We exploi...
Vikraman Arvind, Bireswar Das, Johannes Köble...
SSPR
2010
Springer
13 years 3 months ago
New Partially Labelled Tree Similarity Measure: A Case Study
David Rizo, José Manuel Iñesta Quere...
CORR
2012
Springer
222views Education» more  CORR 2012»
12 years 1 months ago
A limit process for partial match queries in random quadtrees
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the classical model where the d...
Nicolas Broutin, Ralph Neininger, Henning Sulzbach
APPROX
2010
Springer
154views Algorithms» more  APPROX 2010»
13 years 6 months ago
The Checkpoint Problem
In this paper, we consider the checkpoint problem in which given an undirected graph G, a set of sourcedestinations {(s1, t1), (s1, t1), . . . , (sk, tk)} and a set of fixed paths...
MohammadTaghi Hajiaghayi, Rohit Khandekar, Guy Kor...