Clustering-based ℌ2-state aggregation of positive networks and its application to reduction of chemical master equations
In this paper, based on a notion of network clustering, we propose a state aggregation method for positive systems evolving over directed networks, which we call positive networks. In the proposed method, we construct a set of clusters (i.e., disjoint sets of state variables) according to a kind of...
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| Published in: | 2012 IEEE 51st IEEE Conference on Decision and Control (CDC) pp. 4175 - 4180 |
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| Main Authors: | , , , , , |
| Format: | Conference Proceeding |
| Language: | English |
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IEEE
01.12.2012
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| ISBN: | 9781467320658, 146732065X |
| ISSN: | 0191-2216 |
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| Abstract | In this paper, based on a notion of network clustering, we propose a state aggregation method for positive systems evolving over directed networks, which we call positive networks. In the proposed method, we construct a set of clusters (i.e., disjoint sets of state variables) according to a kind of local uncontrollability of systems. This method preserves interconnection topology among clusters as well as stability and some particular properties, such as system positivity and steady-state characteristic (steady-state distribution). In addition, we derive an ℌ 2 -error bound of the state discrepancy caused by the aggregation. The efficiency of the proposed method is shown through the reduction of a chemical master equation representing the time evolution of the Michaelis-Menten chemical reaction system. |
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| AbstractList | In this paper, based on a notion of network clustering, we propose a state aggregation method for positive systems evolving over directed networks, which we call positive networks. In the proposed method, we construct a set of clusters (i.e., disjoint sets of state variables) according to a kind of local uncontrollability of systems. This method preserves interconnection topology among clusters as well as stability and some particular properties, such as system positivity and steady-state characteristic (steady-state distribution). In addition, we derive an ℌ 2 -error bound of the state discrepancy caused by the aggregation. The efficiency of the proposed method is shown through the reduction of a chemical master equation representing the time evolution of the Michaelis-Menten chemical reaction system. |
| Author | Imura, J. Ishizaki, T. Girard, A. Aihara, K. Luonan Chen Kashima, K. |
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| Snippet | In this paper, based on a notion of network clustering, we propose a state aggregation method for positive systems evolving over directed networks, which we... |
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| SubjectTerms | Chemicals Eigenvalues and eigenfunctions Equations Manganese Mathematical model Redundancy Vectors |
| Title | Clustering-based ℌ2-state aggregation of positive networks and its application to reduction of chemical master equations |
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