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APPROX
2009
Springer
126views Algorithms» more  APPROX 2009»
15 years 4 months ago
Improved Inapproximability Results for Maximum k-Colorable Subgraph
We study the maximization version of the fundamental graph coloring problem. Here the goal is to color the vertices of a k-colorable graph with k colors so that a maximum fraction ...
Venkatesan Guruswami, Ali Kemal Sinop
WABI
2009
Springer
129views Bioinformatics» more  WABI 2009»
15 years 4 months ago
biRNA: Fast RNA-RNA Binding Sites Prediction
We present biRNA, a novel algorithm for prediction of binding sites between two RNAs based on minimization of binding free energy. Similar to RNAup approach [30], we assume the bin...
Hamidreza Chitsaz, Rolf Backofen, Süleyman Ce...
ISAAC
2009
Springer
140views Algorithms» more  ISAAC 2009»
15 years 4 months ago
Shifting Strategy for Geometric Graphs without Geometry
We give a simple framework which is an alternative to the celebrated and widely used shifting strategy of Hochbaum and Maass [J. ACM, 1985] which has yielded efficient algorithms ...
Imran A. Pirwani
SIGECOM
2009
ACM
109views ECommerce» more  SIGECOM 2009»
15 years 4 months ago
A new perspective on implementation by voting trees
Voting trees describe an iterative procedure for selecting a single vertex from a tournament. vide a very general abstract model of decision-making among a group of individuals, a...
Felix A. Fischer, Ariel D. Procaccia, Alex Samorod...
QEST
2008
IEEE
15 years 4 months ago
Quasi-Birth-Death Processes, Tree-Like QBDs, Probabilistic 1-Counter Automata, and Pushdown Systems
We begin by observing that (discrete-time) QuasiBirth-Death Processes (QBDs) are equivalent, in a precise sense, to (discrete-time) probabilistic 1-Counter Automata (p1CAs), and b...
Kousha Etessami, Dominik Wojtczak, Mihalis Yannaka...