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20202026
most citedUnstable Cores are the source of instability in chemical reaction networks

13 citations · 24 across the 9 of their papers we have counts for

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5 papers · 1 filter

math.DS2026

Sequential and distributive dual futile cycle: Hopf bifurcation can occur under parameter-rich kinetics but cannot occur under mass action kinetics

Nicola Vassena

This paper establishes that the system of ordinary differential equations arising from the sequential and distributive dual futile cycle has the structural capacity for Hopf bifurc…

math.DS2024★ 1 cited

Mass action systems: two criteria for Hopf bifurcation without Hurwitz

Nicola Vassena

We state two sufficient criteria for periodic oscillations in mass action systems. Neither criterion requires a computation of the Hurwitz determinants. Instead, both criteria expl…

math.DS2023★ 4 cited

Symbolic hunt of instabilities and bifurcations in reaction networks

Nicola Vassena

The localization of bifurcations in large parametric systems is still a challenge where the combination of rigorous criteria and informal intuition is often needed. With this motiv…

math.DS2022★ 3 cited

Structural conditions for saddle-node bifurcations in chemical reaction networks

Nicola Vassena

Motivated by investigating multistationarity in biochemical systems, we address saddle-node bifurcations for chemical reaction networks endowed with general kinetics. At positive e…

math.DS2022

Structural obstruction to the simplicity of the eigenvalue zero in chemical reaction networks

Nicola Vassena

Multistationarity is the property of a system to exhibit two distinct equilibria (steady-states) under otherwise identical conditions, and it is a phenomenon of recognized importan…