نتایج جستجو برای: levy method

تعداد نتایج: 1633655  

Journal: :Journal of the Royal Asiatic Society of Great Britain & Ireland 1967

Journal: :The Annals of Probability 1978

2007

In this article we consider the Levy processes and the corresponding semi-group. We represent the generator of this semigroup in a convolution form. Using the obtained convolution form and the theory of integral equations we investigate the properties of a wide class of Levy processes (potential, quasi-potential, the probability of the Levy process remaining within the given domain, long time b...

2010
William Lenagh Prithviraj Dasgupta

We consider the problem of tracking visually identifiable mobile targets using a distributed system of mobile robots. We propose a behavior-based approach where mobile robots with limited sensory range use a search pattern observed in nature the Levy distributed search, to locate a mobile target. The Levy search pattern is inspired by the foraging pattern exhibited by social insects such as hon...

Journal: :BioScience 2011

Journal: :American Journal of Neuroradiology 2014

Journal: :journal of solid mechanics 0
s.a mohajerani department of mechanical engineering, science and research branch, islamic azad university, tehran, iran a mohammadzadeh department of mechanical engineering, science and research branch, islamic azad university, tehran, iran m nikkhah bahrami department of mechanical engineering, science and research branch, islamic azad university, tehran, iran

in this paper vibration of ferromagnetic rectangular plates which are subjected to an inclined magnetic field is investigated based on classical plate theory and maxwell equations. levy type solution and finite element method using comsol software are used to obtain the frequency of the plate subjected to different boundary conditions, good agreements is obtained when computed results are compa...

Journal: :The Lancet 2019

2015
Augusto Gonzalez

Along an individual lifetime, stem cells replicate and suffer modifications in their DNA content. I model the modifications in the DNA of a single cell as a Levy flight, made up of small amplitude Brownian motions plus rare large-jumps events. The distribution function of mutations has a long tail, in which cancer events are located far away. The probability of cancer in a given tissue is rough...

2006
Annibal Figueiredo Iram Gleria Raul Matsushita Sergio Da Silva

This paper revisits Levy sections theorem, which generalizes the central limit theorem to encompass autocorrelated variables. Levy sections theorem’s approach is extended to time series and applied to historical daily returns of selected dollar exchange rates. We explain the elevated kurtosis usually observed in such series by their volatilities. In particular, the high kurtosis of emerging mar...

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