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Algorithms for Finding Small Attractors in Boolean Networks
EURASIP Journal on Bioinformatics and Systems Biology volume 2007, Article number: 20180 (2007)
A Boolean network is a model used to study the interactions between different genes in genetic regulatory networks. In this paper, we present several algorithms using gene ordering and feedback vertex sets to identify singleton attractors and small attractors in Boolean networks. We analyze the average case time complexities of some of the proposed algorithms. For instance, it is shown that the outdegree-based ordering algorithm for finding singleton attractors works in time for , which is much faster than the naive time algorithm, where is the number of genes and is the maximum indegree. We performed extensive computational experiments on these algorithms, which resulted in good agreement with theoretical results. In contrast, we give a simple and complete proof for showing that finding an attractor with the shortest period is NP-hard.
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Zhang, SQ., Hayashida, M., Akutsu, T. et al. Algorithms for Finding Small Attractors in Boolean Networks. J Bioinform Sys Biology 2007, 20180 (2007). https://doi.org/10.1155/2007/20180
- System Biology
- Boolean Network
- Small Attractor