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ICALP
2010
Springer
15 years 11 months ago
Testing 2-Vertex Connectivity and Computing Pairs of Vertex-Disjoint s-t Paths in Digraphs
We present an O(m + n)-time algorithm that tests if a given directed graph is 2-vertex connected, where m is the number of arcs and n is the number of vertices. Based on this resul...
Loukas Georgiadis
SWAT
2000
Springer
107views Algorithms» more  SWAT 2000»
15 years 11 months ago
A New Trade-Off for Deterministic Dictionaries
We consider dictionaries over the universe U = {0, 1}w on a unit-cost RAM with word size w and a standard instruction set. We present a linear space deterministic dictionary with m...
Rasmus Pagh
ESA
2006
Springer
125views Algorithms» more  ESA 2006»
15 years 9 months ago
Purely Functional Worst Case Constant Time Catenable Sorted Lists
We present a purely functional implementation of search trees that requires O(log n) time for search and update operations and supports the join of two trees in worst case constant...
Gerth Stølting Brodal, Christos Makris, Kos...
SODA
1997
ACM
76views Algorithms» more  SODA 1997»
15 years 8 months ago
Markov Chains for Linear Extensions, the Two-Dimensional Case
We study the generation of uniformly distributed linear extensions using Markov chains. In particular we show that monotone coupling from the past can be applied in the case of lin...
Stefan Felsner, Lorenz Wernisch
JMLR
2012
13 years 10 months ago
Graphlet decomposition of a weighted network
We introduce the graphlet decomposition of a weighted network, which encodes a notion of social information based on social structure. We develop a scalable algorithm, which combi...
Hossein Azari Soufiani, Edo Airoldi