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  Weakly reversible CF-decompositions of chemical kinetic systems

Hernandez, B. S., & Mendoza, E. R. (2022). Weakly reversible CF-decompositions of chemical kinetic systems. Journal of Mathematical Chemistry, 60, 799-829. doi:10.1007/s10910-022-01332-z.

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 Creators:
Hernandez, Bryan S.1, Author
Mendoza, Eduardo R.2, Author           
Affiliations:
1external, ou_persistent22              
2Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565164              

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Free keywords: CONCENTRATION ROBUSTNESS; COMPUTATIONAL APPROACH; DEFICIENCY-ZERO; MULTISTATIONARITYChemistry; Mathematics; Chemical kinetic systems; Chemical reaction networks; Non-complex factorizable systems; Complex factorizable systems; Weakly reversible decompositions; Independent decompositions; Power law; Carbon cycle model;
 Abstract: This paper studies chemical kinetic systems which decompose into weakly reversible complex factorizable (CF) systems. Among power law kinetic systems, CF systems (denoted as PL-RDK systems) are those where branching reactions of a reactant complex have identical rows in the kinetic order matrix. Mass action and generalized mass action systems (GMAS) are well-known examples. Schmitz's global carbon cycle model is a previously studied non-complex factorizable (NF) power law system (denoted as PL-NDK). We derive novel conditions for the existence of weakly reversible CF-decompositions and present an algorithm for verifying these conditions. We discuss methods for identifying independent decompositions, i.e., those where the stoichiometric subspaces of the subnetworks form a direct sum, as such decompositions relate positive equilibria sets of the subnetworks to that of the whole network. We then use the results to determine the positive equilibria sets of PL-NDK systems which admit an independent weakly reversible decomposition into PL-RDK systems of PLP type, i.e., the positive equilibria are log-parametrized, which is a broad generalization of a Deficiency Zero Theorem of Fortun et al. (MATCH Commun. Math. Comput. Chem. 81:621-638, 2019).

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Language(s): eng - English
 Dates: 2022
 Publication Status: Published online
 Pages: 31
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: Journal of Mathematical Chemistry
  Other : J. Math. Chem.
Source Genre: Journal
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Publ. Info: Basel, Switzerland : Springer
Pages: - Volume / Issue: 60 Sequence Number: - Start / End Page: 799 - 829 Identifier: ISSN: 0259-9791
CoNE: https://pure.mpg.de/cone/journals/resource/954925497050