Weakly reversible mass-action systems with infinitely many positive steady states

B Boros, G Craciun, PY Yu - SIAM Journal on Applied Mathematics, 2020 - SIAM
SIAM Journal on Applied Mathematics, 2020SIAM
We show that weakly reversible mass-action systems can have a continuum of positive
steady states, coming from the zeroes of a multivariate polynomial. Moreover, the same is
true of systems whose underlying reaction network is reversible and has a single connected
component. In our construction, we relate operations on the reaction network to the
multivariate polynomial occurring as a common factor in the system of differential equations.
We show that weakly reversible mass-action systems can have a continuum of positive steady states, coming from the zeroes of a multivariate polynomial. Moreover, the same is true of systems whose underlying reaction network is reversible and has a single connected component. In our construction, we relate operations on the reaction network to the multivariate polynomial occurring as a common factor in the system of differential equations.
Society for Industrial and Applied Mathematics
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