An inverse problem of tomographic type in population dynamics

An inverse problem of tomographic type in population dynamics
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种群动态中的断层类型反问题

DOI:
10.1109/cdc.2014.7039635
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发表时间:
2014
期刊:
53rd IEEE Conference on Decision and Control
影响因子:
--
通讯作者:
Allgöwer
Allgöwer
中科院分区:
--
文献类型:
--
作者:
Waldherr;Allgöwer

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本文讨论了用概率分布描述的总体的反问题。从理论的角度看,这个问题可以看作是经典可观测性问题的自然延伸。我们考虑一个由经典线性有限维系统描述的总体,其中初始状态是服从非参数概率分布的随机向量。问题是根据输出的概率分布的时间演化来重建这个初始状态分布。我们揭示了一个新的观点,即该问题的核心是逆问题领域中一个众所周知的问题——层析问题。此外,我们还展示了层析问题是如何与有限维系统的可观测性本质联系在一起的,从而在控制理论问题和层析问题之间建立了一个美丽的联系。
In this paper we address an inverse problem on populations described by probability distributions. From a theoretical point of view, this problem can be seen as a natural extension to the classical observability problem. We consider a population that is described by a classical linear finite-dimensional system in which the initial state is a random vector subject to a non-parametric probability distribution. The problem is to reconstruct this initial state distribution from the time-evolution of the probability distribution of the output. We reveal as a novel viewpoint, that, at its core, this problem is a tomography problem which is a well-known subject in the field of inverse problems. Furthermore we show how this tomography problem is inherently linked with the observability properties of the finite-dimensional system thereby establishing a beautiful link between a control theoretic question and tomography problems.
DOI: 10.3182/20140824-6-za-1003.00547
发表时间: 2014
期刊: IFAC Proceedings Volumes
影响因子: --
作者:
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DOI: 10.1016/j.jprocont.2011.06.020
发表时间: 2011-12-01
影响因子: 4.2
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DOI: 10.1007/bf02022515
发表时间: 1952
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影响因子: --
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发表时间: 2011-04-28
期刊: BMC bioinformatics
影响因子: 3
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