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CONCUR
2010
Springer
15 years 7 months ago
Parameterized Verification of Ad Hoc Networks
We study decision problems for parameterized verification of a formal model of Ad Hoc Networks with selective broadcast and spontaneous movement. The communication topology of a ne...
Giorgio Delzanno, Arnaud Sangnier, Gianluigi Zavat...
ALGORITHMICA
2010
95views more  ALGORITHMICA 2010»
15 years 6 months ago
Homogeneous String Segmentation using Trees and Weighted Independent Sets
We divide a string into k segments, each with only one sort of symbols, so as to minimize the total number of exceptions. Motivations come from machine learning and data mining. F...
Peter Damaschke
ALGORITHMICA
2008
82views more  ALGORITHMICA 2008»
15 years 6 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...
ARSCOM
2007
65views more  ARSCOM 2007»
15 years 6 months ago
Odd and Even Dominating Sets with Open Neighborhoods
A subset D of the vertex set V of a graph is called an open oddd dominating set if each vertex in V is adjacent to an odd number of vertices in D (adjacency is irreflexive). In t...
John L. Goldwasser, William Klostermeyer
IPL
2006
97views more  IPL 2006»
15 years 6 months ago
A fixed-parameter tractability result for multicommodity demand flow in trees
We study an NP-hard (and MaxSNP-hard) problem in trees--Multicommodity Demand Flow--dealing with demand flows between pairs of nodes and trying to maximize the value of the routed...
Jiong Guo, Rolf Niedermeier