European Conference on Mathematical and Theoretical Biology (ECMTB 2026)

Noise induced stabilization in stochastic chemical reaction network.

MS80-04

14 Jul 2026, 11:40

20m

11.01 - HS (University of Graz)

Minisymposium Talk Systems Biology and Biochemical Networks Stochastic Chemical Reaction Networks

Speaker

Lucie Laurence (Bern University)

Description

Chemical reaction networks (CRNs) are commonly analyzed through deterministic or stochastic models that track molecular populations over time. In regimes with large molecule counts, stochastic dynamics are typically approximated by deterministic mass-action kinetics. We present a CRN that defies this expectation: while the deterministic system is unstable, exhibiting finite-time blow-up of trajectories within the interior of the state space, its stochastic counterpart is positive recurrent.