化学反应网络中的分裂反应保持了非简并行为
Splitting reactions preserves nondegenerate behaviours in chemical reaction networks
摘要:
一个家庭的结果,被称为继承的结果,告诉我们,扩大的化学反应网络(CRN)保持其能力的非平凡的行为,如多平稳性和振荡。本文证明了以下遗传结果:在温和的假设下,分裂化学反应和插入包含新化学物种的复合物保持了质量作用CRN对多个非退化平衡和/或周期轨道的能力.这一主张以前已经被证明是平衡的;然而,包括振荡的推广涉及到相当不同的技术的广泛发展。将质量作用CRNs的多平稳性和振荡性的几个继承结果,包括本文的主要结果,集中到一个定理中。给出的例子显示如何将这些结果可以一起使用,使索赔反应网络的基础上,他们的子网络的知识。这些例子包括一些具有生物重要性的网络。
英文摘要:
A family of results, referred to as inheritance results, tell us which enlargements of a chemical reaction network (CRN) preserve its capacity for nontrivial behaviours such as multistationarity and oscillation. In this paper, the following inheritance result is proved: under mild assumptions, splitting chemical reactions and inserting complexes involving some new chemical species preserves the capacity of a mass action CRN for multiple nondegenerate equilibria and/or periodic orbits. The claim has been proved previously for equilibria alone; however, the generalisation to include oscillation involves extensive development of rather different techniques. Several inheritance results for multistationarity and oscillation in mass action CRNs, including the main result of this paper, are gathered into a single theorem. Examples are presented showing how these results can be used together to make claims about reaction networks based on knowledge of their subnetworks. The examples include some networks of biological importance.
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