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SIAMCOMP
1998
124views more  SIAMCOMP 1998»
14 years 9 months ago
Near-Linear Time Construction of Sparse Neighborhood Covers
This paper introduces a near-linear time sequential algorithm for constructing a sparse neighborhood cover. This implies analogous improvements (from quadratic to near-linear time)...
Baruch Awerbuch, Bonnie Berger, Lenore Cowen, Davi...
ISAAC
2004
Springer
121views Algorithms» more  ISAAC 2004»
15 years 3 months ago
Approximate Distance Oracles for Graphs with Dense Clusters
Let G be a graph containing N disjoint t-spanners that are inter-connected with M edges. We present an algorithm that constructs a data structure of size O(M2 + n log n) that answ...
Mattias Andersson, Joachim Gudmundsson, Christos L...
ALGORITHMICA
2002
101views more  ALGORITHMICA 2002»
14 years 9 months ago
Improved Algorithms for Constructing Fault-Tolerant Spanners
Let S be a set of n points in a metric space, and k a positive integer. Algorithms are given that construct k-fault-tolerant spanners for S. If in such a spanner at most k vertice...
Christos Levcopoulos, Giri Narasimhan, Michiel H. ...
ISCAPDCS
2007
14 years 11 months ago
A Node-to-set cluster-fault-tolerant disjoint routing algorithm in pancake graphs
With rapid increase of parallel computation systems in their sizes, it is inevitable to develop algorithms that are applicable even if there exist faulty elements in the systems. ...
Tatsuro Watanabe, Keiichi Kaneko, Shietung Peng
77
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WG
1997
Springer
15 years 1 months ago
Parallel Algorithms for Treewidth Two
In this paper we present a parallel algorithm that decides whether a graph G has treewidth at most two, and if so, construct a tree decomposition or path decomposition of minimum ...
Babette de Fluiter, Hans L. Bodlaender