Fast stochastic simulation of biochemical reaction systems by alternative formulations of the chemical Langevin equation

B Mélykúti, K Burrage, KC Zygalakis - The Journal of chemical physics, 2010 - pubs.aip.org
The Chemical Langevin Equation (CLE), which is a stochastic differential equation driven by
a multidimensional Wiener process, acts as a bridge between the discrete stochastic …

Variable time-stepping in the pathwise numerical solution of the chemical Langevin equation

S Ilie - The Journal of Chemical Physics, 2012 - pubs.aip.org
Stochastic modeling is essential for an accurate description of the biochemical network
dynamics at the level of a single cell. Biochemically reacting systems often evolve on …

[HTML][HTML] Hybrid framework for the simulation of stochastic chemical kinetics

A Duncan, R Erban, K Zygalakis - Journal of Computational Physics, 2016 - Elsevier
Stochasticity plays a fundamental role in various biochemical processes, such as cell
regulatory networks and enzyme cascades. Isothermal, well-mixed systems can be …

An adaptive stepsize method for the chemical Langevin equation

S Ilie, A Teslya - The Journal of chemical physics, 2012 - pubs.aip.org
Mathematical and computational modeling are key tools in analyzing important biological
processes in cells and living organisms. In particular, stochastic models are essential to …

Stochastic chemical kinetics and the quasi-steady-state assumption: Application to the Gillespie algorithm

CV Rao, AP Arkin - The Journal of chemical physics, 2003 - pubs.aip.org
At the level of the cell, the chemical dynamics are often determined by the action of only a
few molecules and, consequently, molecular fluctuations may dominate the dynamics …

The complex chemical Langevin equation

D Schnoerr, G Sanguinetti, R Grima - The Journal of chemical physics, 2014 - pubs.aip.org
The chemical Langevin equation (CLE) is a popular simulation method to probe the
stochastic dynamics of chemical systems. The CLE's main disadvantage is its break down in …

[PDF][PDF] Logarithmic direct method for discrete stochastic simulation of chemically reacting systems

H Li, L Petzold - Journal of Chemical Physics, 2006 - Citeseer
In biological systems formed by living cells, the small populations of some reactant species
can result in dynamical behavior which cannot be captured by the traditional reaction rate …

Chemical master versus chemical Langevin for first-order reaction networks

DJ Higham, R Khanin - The Open Applied Mathematics Journal, 2008 - benthamopen.com
Markov jump processes are widely used to model interacting species in circumstances
where discreteness and stochasticity are relevant. Such mod-els have been particularly …

Accurate hybrid stochastic simulation of a system of coupled chemical or biochemical reactions

H Salis, Y Kaznessis - The Journal of chemical physics, 2005 - pubs.aip.org
With the observation that biological systems are inherently stochastic, 1 the topic of
stochastic chemical kinetics has received wider interest. 2–9 By representing the chemically …

On constrained Langevin equations and (bio) chemical reaction networks

DF Anderson, DJ Higham, SC Leite, RJ Williams - Multiscale Modeling & …, 2019 - SIAM
Stochastic effects play an important role in modeling the time evolution of chemical reaction
systems in fields such as systems biology, where the concentrations of some constituent …