Absolute concentration robustness in networks with low-dimensional stoichiometric subspace

N Meshkat, A Shiu, A Torres - Vietnam Journal of Mathematics, 2022‏ - Springer
A reaction system exhibits “absolute concentration robustness”(ACR) in some species if the
positive steady-state value of that species does not depend on initial conditions …

Full classification of dynamics for one-dimensional continuous-time markov chains with polynomial transition rates

C Xu, MC Hansen, C Wiuf - Advances in Applied Probability, 2023‏ - cambridge.org
This paper provides a full classification of the dynamics for continuous-time Markov chains
(CTMCs) on the nonnegative integers with polynomial transition rate functions and without …

Global stability of first order endotactic reaction systems

C Xu - arxiv preprint arxiv:2409.01598, 2024‏ - arxiv.org
Reaction networks are a general framework widely used in modelling diverse phenomena in
different science disciplines. The dynamical process of a reaction network endowed with …

On the sum of chemical reactions

L Hoessly, C Wiuf, P **a - European Journal of Applied Mathematics, 2023‏ - cambridge.org
It is standard in chemistry to represent a sequence of reactions by a single overall reaction,
often called a complex reaction in contrast to an elementary reaction. Photosynthesis is an …

Non-explosivity of endotactic stochastic reaction systems

C Xu - arxiv preprint arxiv:2409.05340, 2024‏ - arxiv.org
Reaction networks have been widely used as generic models in diverse areas of applied
science, such as biology, chemistry, ecology, epidemiology, and computer science …

Structural classification of continuous time Markov chains with applications

C Xu, MC Hansen, C Wiuf - Stochastics, 2022‏ - Taylor & Francis
This paper is motivated by examples from stochastic reaction network theory. The Q-matrix
of a stochastic reaction network can be derived from the reaction graph, an edge-labelled …

A sequential direct hybrid algorithm to compute stationary distribution of continuous-time Markov chain

M Bražėnas, E Valakevičius - Expert Systems with Applications, 2022‏ - Elsevier
In modeling a wide variety of problems of the real world using Markov processes, we usually
get large sparse Markov chains. In the case of non-Markovian process, the behavior of a …

Fiber decomposition of deterministic reaction networks with applications

C Wiuf, C Xu - arxiv preprint arxiv:2107.09706, 2021‏ - arxiv.org
Deterministic reaction networks (RNs) are tools to model diverse biological phenomena
characterized by particle systems, when there are abundant number of particles. Examples …