Identifying parameter regions for multistationarity

C Conradi, E Feliu, M Mincheva… - PLoS computational …, 2017 - journals.plos.org
Mathematical modelling has become an established tool for studying the dynamics of
biological systems. Current applications range from building models that reproduce …

Ultrasensitive molecular controllers for quasi-integral feedback

CC Samaniego, E Franco - Cell Systems, 2021 - cell.com
Feedback control has enabled the success of automated technologies by mitigating the
effects of variability, unknown disturbances, and noise. While it is known that biological …

Robustness and parameter geography in post-translational modification systems

KM Nam, BM Gyori, SV Amethyst… - PLoS computational …, 2020 - journals.plos.org
Biological systems are acknowledged to be robust to perturbations but a rigorous
understanding of this has been elusive. In a mathematical model, perturbations often exert …

Numerical algebraic geometry for model selection and its application to the life sciences

E Gross, B Davis, KL Ho, DJ Bates… - Journal of The …, 2016 - royalsocietypublishing.org
Researchers working with mathematical models are often confronted by the related
problems of parameter estimation, model validation and model selection. These are all …

A robust molecular network motif for period-doubling devices

C Cuba Samaniego, E Franco - ACS synthetic biology, 2018 - ACS Publications
Life is sustained by a variety of cyclic processes such as cell division, muscle contraction,
and neuron firing. The periodic signals powering these processes often direct a variety of …

Intermediates, catalysts, persistence, and boundary steady states

M Marcondes de Freitas, E Feliu, C Wiuf - Journal of mathematical biology, 2017 - Springer
For dynamical systems arising from chemical reaction networks, persistence is the property
that each species concentration remains positively bounded away from zero, as long as …

Context-dependent stability and robustness of genetic toggle switches with leaky promoters

A Gyorgy - Life, 2021 - mdpi.com
Multistable switches are ubiquitous building blocks in both systems and synthetic biology.
Given their central role, it is thus imperative to understand how their fundamental properties …

The number of equilibrium points of perturbed nonlinear positive dynamical systems

C McBride, D Del Vecchio - Automatica, 2020 - Elsevier
The number of equilibrium points of a dynamical system dictates important qualitative
properties, such as the ability of the system to store different memory states, and may be …

Stability and robustness of unbalanced genetic toggle switches in the presence of scarce resources

C Yong, A Gyorgy - Life, 2021 - mdpi.com
While the vision of synthetic biology is to create complex genetic systems in a rational
fashion, system-level behaviors are often perplexing due to the context-dependent dynamics …

Quantitative Steady-State Bounds in Biomolecular Circuits Due to Bounded Multi-Parametric Perturbations

G Chorasiya, R Prakash, S Sen - IEEE Control Systems Letters, 2023 - ieeexplore.ieee.org
Biomolecular circuit performance depends upon the reaction rate parameters. Any
perturbation in these parameters can propagate to the output of the system, altering its …