الباحثون

Lakhdar Aggoun

المنشورات 4

مقال بحثي وصول مفتوح

Filtering and M-ary Detection of Markov Modulated Mean Reverting Model

Lakhdar Aggoun, Mohamed Al-Lawati, William P. Malcolm · مجلة جامعة السلطان قابوس للعلوم · 2010 · 10.24200/squjs.vol15iss0pp87-100

In an earlier paper we developed a stochastic model incorporating a double-Markov modulated mean-reversion model. The model is based on an explicit discretisation of the corresponding continuous time dynamics. Here we discuss parameter estimation via the technique of M-ary detection.

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On Markov Modulated Mean-Reverting Price-Difference Models

W. P. Malcom, Lakhdar Aggoun, Mohamed Al-Lawati · مجلة جامعة السلطان قابوس للعلوم · 2008 · 10.24200/squjs.vol13iss0pp55-62

In this paper we develop a stochastic model incorporating a double-Markov modulated mean-reversion model. Unlike a price process the basis process X can take positive or negative values. This model is based on an explicit discretisation of the corresponding continuous time dynamics. The new feature in our model is that …

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Recursive Estimation of a Discrete-Time Lotka-Volterra Predator-Prey Model

Lakhdar Aggoun · مجلة جامعة السلطان قابوس للعلوم · 2004 · 10.24200/squjs.vol9iss0pp53-66

In this paper, using hidden Markov models, we estimate the number of individuals in a two-species (predator-prey) animal population using partial information provided by the so-called capture-recapture technique. Random samples of individuals are captured, tagged in some way and released. After some time other random s …

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Recursive Estimation in Capture-Recapture Methods

Lakhdar Aggoun, Robert James Elliott · مجلة جامعة السلطان قابوس للعلوم · 1998 · 10.24200/squjs.vol3iss0pp67-75

An important problem in statistical ecology is how to determine the size of an animal population. The best known technique is the capture-recapture technique. A random sample of individuals is captured, tagged in some way and released back into the population. After allowing time for the marked and unmarked individuals …

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