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Bayati, B; Chatelain, P; Koumoutsakos, P (2009). D-leaping: Accelerating stochastic simulation algorithms for reactions with delays. Journal of Computational Physics, 228(16):5908-5916.

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We propose a novel, accelerated algorithm for the approximate stochastic simulation of biochemical systems with delays. The present work extends existing accelerated algorithms by distributing, in a time adaptive fashion, the delayed reactions so as to minimize the computational effort while preserving their accuracy. The accuracy of the present algorithm is assessed by comparing its results to those of the corresponding delay differential equations for a representative biochemical system. In addition, the fluctuations produced from the present algorithm are comparable to those from an exact stochastic simulation with delays. The algorithm is used to simulate biochemical systems that model oscillatory gene expression. The results indicate that the present algorithm is competitive with existing works for several benchmark problems while it is orders of magnitude faster for certain systems of biochemical reactions.


8 citations in Web of Science®
9 citations in Scopus®
Google Scholar™


Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:Special Collections > SystemsX.ch
Special Collections > SystemsX.ch > Research, Technology and Development Projects > WingX
Special Collections > SystemsX.ch > Research, Technology and Development Projects
Dewey Decimal Classification:570 Life sciences; biology
Uncontrolled Keywords:Delayed reactions, R-leaping, Stochastic simulation, Tau-leaping
Date:September 2009
Deposited On:08 Dec 2010 14:00
Last Modified:05 Apr 2016 14:27
Publisher DOI:10.1016/j.jcp.2009.05.004

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