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An inverse problem in reaction kinetics

Santosa, Fadil and Weitz, Benjamin (2011) An inverse problem in reaction kinetics. Journal of Mathematical Chemistry, 49 (8). pp. 1507-1520. ISSN 0259-9791. https://resolver.caltech.edu/CaltechAUTHORS:20110815-164419416

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Abstract

In this paper we investigate the problem of extracting information about chemical reactions involving multiple species from the time history of the concentration of each species. The mathematical model of the kinetic system leads to a system of ordinary differential equations. Our focus is to examine whether the species’ concentrations as functions of time are sufficient to determine what chemical reactions, and at what reaction rates, have occurred. We show that within the limitation of our model, there may be many candidate reaction systems that could explain the data. Using the notion of sparsity, we provide a quantitative assessment of the question of distinguishability. We further demonstrate that sparsity enforcing approaches, such as minimizing the l_1 or the l_0 norms are not reliable. Our conclusion is that additional knowledge about the kinetic system will be necessary to reliably solve this inverse problem.


Item Type:Article
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URLURL TypeDescription
http://dx.doi.org/10.1007/s10910-011-9835-2DOIUNSPECIFIED
http://www.springerlink.com/content/943710k424574g2m/PublisherUNSPECIFIED
Additional Information:© 2011 Springer Science+Business Media, LLC. Received: 7 June 2010; Accepted: 26 April 2011; Published online: 6 May 2011. This work was made possible by an REU Supplement from the National Science Foundation. Ben Weitz is grateful for the opportunity to conduct this research and thanks the Institute for Mathematics and its Applications for hosting his visit. The authors thank Dr. Srividhya Jeyaraman from whom the authors learn about the problem investigated in this work, and for helpful conversations on the subject. Dr. Mark Iwen is also acknowledged for useful discussions during the course of this work.
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Funding AgencyGrant Number
NSF REU SupplementUNSPECIFIED
Subject Keywords:Reaction kinetics; Inverse problems
Issue or Number:8
Record Number:CaltechAUTHORS:20110815-164419416
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110815-164419416
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24871
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:16 Aug 2011 20:05
Last Modified:03 Oct 2019 03:00

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