On the abelian structure of noncompetitive chemical reaction networks
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909970919849984 |
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| author | Faul, Louis Richard, Xavier Betrisey, Mary Mazza, Christian |
| author_facet | Faul, Louis Richard, Xavier Betrisey, Mary Mazza, Christian |
| contents | Chemical reaction networks (CRNs) are foundational models for describing complex biochemical processes. We study noncompetitive CRNs, a class of networks whose static states are rate-independent, and that can implement ReLU neural networks. A central contribution of this work is that noncompetitive CRNs are special instances of Abelian networks (ANs) a well-established framework for self-organized criticality. CRNs of interest in biochemistry and systems biology are embedded in complex networks so that local CRNs have to respond to internal and environmental cues. We describe the network's response to such perturbations using a sandpile Markov chain whose state space is the set of CRN's static states, from where no reaction is possible. The addition of molecules to a static state induces reactions that move the system into a new static state. For noncompetitive CRNs of finite state space, we use AN theory to get that the fraction of static states that are recurrent is in one to one correspondence with the critical group of the AN.
Overall, this work establishes a unified algebraic and probabilistic framework for analyzing the long-term behavior of noncompetitive CRNs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_17491 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the abelian structure of noncompetitive chemical reaction networks Faul, Louis Richard, Xavier Betrisey, Mary Mazza, Christian Molecular Networks Probability Chemical reaction networks (CRNs) are foundational models for describing complex biochemical processes. We study noncompetitive CRNs, a class of networks whose static states are rate-independent, and that can implement ReLU neural networks. A central contribution of this work is that noncompetitive CRNs are special instances of Abelian networks (ANs) a well-established framework for self-organized criticality. CRNs of interest in biochemistry and systems biology are embedded in complex networks so that local CRNs have to respond to internal and environmental cues. We describe the network's response to such perturbations using a sandpile Markov chain whose state space is the set of CRN's static states, from where no reaction is possible. The addition of molecules to a static state induces reactions that move the system into a new static state. For noncompetitive CRNs of finite state space, we use AN theory to get that the fraction of static states that are recurrent is in one to one correspondence with the critical group of the AN. Overall, this work establishes a unified algebraic and probabilistic framework for analyzing the long-term behavior of noncompetitive CRNs. |
| title | On the abelian structure of noncompetitive chemical reaction networks |
| topic | Molecular Networks Probability |
| url | https://arxiv.org/abs/2512.17491 |