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ALGORITHMICA
2008
131views more  ALGORITHMICA 2008»
13 years 11 months ago
Sorting and Searching in Faulty Memories
In this paper we investigate the design and analysis of algorithms resilient to memory faults. We focus on algorithms that, despite the corruption of some memory values during the...
Irene Finocchi, Giuseppe F. Italiano
ALGORITHMICA
2008
83views more  ALGORITHMICA 2008»
13 years 11 months ago
Inferring (Biological) Signal Transduction Networks via Transitive Reductions of Directed Graphs
In this paper we consider the p-ary transitive reduction (TRp) problem where p > 0 is an integer; for p = 2 this problem arises in inferring a sparsest possible (biological) sig...
Réka Albert, Bhaskar DasGupta, Riccardo Don...
ALGORITHMICA
2008
46views more  ALGORITHMICA 2008»
13 years 11 months ago
A Network Game with Attackers and a Defender
Marios Mavronicolas, Vicky Papadopoulou, Anna Phil...
ALGORITHMICA
2008
121views more  ALGORITHMICA 2008»
13 years 11 months ago
Space Efficient Algorithms for Ordered Tree Comparison
In this paper we present techniques to significantly improve the space complexity of several ordered tree comparison algorithms without sacrificing the corresponding time complexit...
Lusheng Wang, Kaizhong Zhang
ALGORITHMICA
2008
43views more  ALGORITHMICA 2008»
13 years 11 months ago
Gaussian Laws for the Main Parameters of the Euclid Algorithms
We provide sharp estimates for the probabilistic behaviour of the main parameters of the Euclid Algorithms, both on polynomials and on integer numbers. We study in particular the d...
Loïck Lhote, Brigitte Vallée
ALGORITHMICA
2008
82views more  ALGORITHMICA 2008»
13 years 11 months ago
Random Bichromatic Matchings
Given a graph with edges colored Red and Blue, we wish to sample and approximately count the number of perfect matchings with exactly k Red edges. We study a Markov chain on the sp...
Nayantara Bhatnagar, Dana Randall, Vijay V. Vazira...
ALGORITHMICA
2008
36views more  ALGORITHMICA 2008»
13 years 11 months ago
Algorithms for Modular Counting of Roots of Multivariate Polynomials
Parikshit Gopalan, Venkatesan Guruswami, Richard J...
ALGORITHMICA
2008
56views more  ALGORITHMICA 2008»
13 years 11 months ago
Eliminating Cycles in the Discrete Torus
In this paper we consider the following question: how many vertices of the discrete torus must be deleted so that no topologically nontrivial cycles remain? We look at two differe...
Béla Bollobás, Guy Kindler, Imre Lea...