Authors

Mihaly A. Vaghy, Gabor Szederkenyi

Abstract

In this paper we study a class of compartmental models with bounded capacities, called generalized ribosome flow models and show that they are formally kinetic, i.e. we can assign a chemical reaction network (CRN) to the system based on the compartmental structure which realizes the nonlinear dynamics. We decompose the model into two dual subsystems both having positive linear first integrals representing conservation. Based on the dynamics of the reaction network we construct a port-Hamiltonian representation of the system in the original and also in the reduced state spaces with clear connection between the structure matrices and the compartmental graph topology. We finally demonstrate that the system is non-expansive in the -norm both in the original and in the reduced state spaces. The generality of our approach ensures that the results are valid for a wide class of reaction rate functions used in the CRN representation.

Citation

BibTeX

@inproceedings{Vaghy_2022,
  title={{Hamiltonian representation of generalized ribosome flow models}},
  DOI={10.23919/ecc55457.2022.9838067},
  booktitle={{2022 European Control Conference (ECC)}},
  publisher={IEEE},
  author={Vaghy, Mihaly A. and Szederkenyi, Gabor},
  year={2022},
  pages={657--662}
}

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References