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A branching process with immigration in varying environments
ArticleAbstract: Bienaymé-Galton-Watson branching processes with varying offspring variance and an immigration componPalabras claves:Branching process, Limit theorem, Probability for non-extinction, Varying environmentsAutores:Edward A.M. Omey, Mitov K.V.Fuentes:scopusApproximations in bivariate renewal theory
ArticleAbstract: We construct approximations to the renewal function for a bivariate renewal process. Suppose (X, Y )Palabras claves:Approximation, Asymptotic distribution, Bivariate renewal process, Equilibrium distribution, Regular variation, Renewal functionAutores:Edward A.M. Omey, Mitov K.V., Vesilo R.Fuentes:scopusOn the number of renewals in random time
ArticleAbstract: For the renewal counting process M (t) = min {k : Sk > t} and the independent of it nonnegative randPalabras claves:Autores:Edward A.M. Omey, Mitov G., Mitov K.V.Fuentes:scopusIntuitive approximations for the renewal function
ArticleAbstract: It is hard to find explicit expressions for the renewal function U(x)=∑n=0∞F*n(x). Many researchersPalabras claves:Approximations, Regular variation, Renewal function, The class gammaAutores:Edward A.M. Omey, Mitov K.V.Fuentes:scopus