“…By (4) with a constant C uniformly for all x and n > 0 (in fact it holds for large enough n by (4) and is extended to all n, because all p(x, dy) are probability measures). Hence for an arbitrary ε < 1 one has…”
Section: Limit Theorems For Position-dependent Random Walks For a Vementioning
Abstract. Functional limit theorems for continuous-time random walks (CTRW) are found in the general case of dependent waiting times and jump sizes that are also position dependent. The limiting anomalous diffusion is described in terms of fractional dynamics. Probabilistic interpretation of generalized fractional evolution is given in terms of the random time change (subordination) by means of hitting times processes.
“…By (4) with a constant C uniformly for all x and n > 0 (in fact it holds for large enough n by (4) and is extended to all n, because all p(x, dy) are probability measures). Hence for an arbitrary ε < 1 one has…”
Section: Limit Theorems For Position-dependent Random Walks For a Vementioning
Abstract. Functional limit theorems for continuous-time random walks (CTRW) are found in the general case of dependent waiting times and jump sizes that are also position dependent. The limiting anomalous diffusion is described in terms of fractional dynamics. Probabilistic interpretation of generalized fractional evolution is given in terms of the random time change (subordination) by means of hitting times processes.
“…The first method has been described in the work [19] and the estimators were obtained on basis of the method of moments. However, it has been established that usage of these estimators lead to wrong parameters values.…”
Section: Fractional-stable Laws and Estimators Of Their Parametersmentioning
Abstract.As has been shown in the previous article [1] an application of class of the fractional-stable laws to the genes expression results obtained by DNA-microarrays leads to poor agreement between experimental and theoretical distributions. This difference can be explained by the imperfection of the technology of the gene expression determination. In this article the distributions of the gene expression obtained by Next Generation Sequence technology are investigated. In this technology the determination technique of the gene expression differs from the DNA-microarrays technology. This results to more qualitative results of an approximation. In particular, it is established that the probability density function of the gene expression has a form of shift-scale mixture of probability laws, where one of the components of the mixture is the fractional-stable distribution.
We propose estimators for the parameters of the Linnik L(α, γ) distribution. The estimators are derived from the moments of the log-transformed Linnik distributed random variable, and are shown to be asymptotically unbiased. The estimation algorithm is computationally simple and less restrictive. Our procedure is also tested using simulated data.
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