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    Wyświetlanie 1-3 z 3
    Tytuł:
    Existence of periodic positive solutions to nonlinear Lotka-Volterra competition
    Autorzy:
    Benhadri, Mimia
    Caraballo, Tomas
    Zeghdoudi, Halim
    Powiązania:
    https://bibliotekanauki.pl/articles/255717.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Krasnoselskii's fixed point theorem
    positive periodic solutions
    Lotka-Volterra competition systems
    variable delays
    Opis:
    We investigate the existence of positive periodic solutions of a nonlinear Lotka-Volterra competition system with deviating arguments. The main tool we use to obtain our result is the Krasnoselskii fixed point theorem. In particular, this paper improves important and interesting work [X.H. Tang, X. Zhou, On positive periodic solution of Lotka-Volterra competition systems with deviating arguments, Proc. Amer. Math. Soc. 134 (2006), 2967-2974]. Moreover, as an application, we also exhibit some special cases of the system, which have been studied extensively in the literature.
    Źródło:
    Opuscula Mathematica; 2020, 40, 3; 341-360
    1232-9274
    2300-6919
    Pojawia się w:
    Opuscula Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the characterisation of X-Lindley distribution by truncated moments. Properties and application
    Autorzy:
    Metiri, Farouk
    Zeghdoudi, Halim
    Ezzebsa, Abdelali
    Powiązania:
    https://bibliotekanauki.pl/articles/2175833.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Lindley distribution
    X-Lindley distribution
    truncated moment
    failure rate function
    reversed failure rate function
    characterisation of distributions
    Opis:
    Several papers introduce the new distributions and their applications, including, among others, those of Ducey and Gove [7], Grine and Zeghdoudi [8], Chouia et al. [5], Seghier et al. [11], Beghriche and Zeghdoudi [4], where characterisation of a probability distribution plays an important role in statistical science. Several researchers studied the characterisations of probability distributions. For example, Su and Huang [12] study the characterisations of distributions based on expectations. In addition, Nanda [10] studies the characterisations by average residual life and the failure rates of functions of absolutely continuous random variables. Ahmadi et al. [1] consider the estimation based on the left-truncated and right randomly censored data arising from a general family of distributions. On the other hand, Ahsanullah et al. [2, 3] present two characterisations of Lindley distribution, standard normal distribution, t-Student’s, exponentiated exponential, power function, Pareto, and Weibull distributions based on the relation of failure rate, reverse failure rate functions with left and right truncated moments. Recently, Haseeb and Yahia [9] studied truncated moments for two general classes of continuous distributions. In this paper, two characterisations of the X-Lindley distribution, introduced by Chouia and Zeghdoudi [5] have been studied. They are based on the failure, relation of the inverse failure rate functions with the left and right truncated moments, respectively. Section 2 gives some properties of X-Lindley distribution. Section 3 discusses the characterisation of general distribution by left truncated and failure rate function and then right truncated and reverse failure rate function. Section 4 studies the characterisation of X-Lindley distribution by using the relation between left/right truncated moment and failure/reverse failure rate function. Finally, an illustrative example of X-Lindley distribution with other one-parameter distributions is given to show the superiority and flexibility of this model.
    Źródło:
    Operations Research and Decisions; 2022, 32, 1; 99--109
    2081-8858
    2391-6060
    Pojawia się w:
    Operations Research and Decisions
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New polynomial exponential distribution: properties and applications
    Autorzy:
    Beghriche, Abdelfateh
    Zeghdoudi, Halim
    Raman, Vinoth
    Chouia, Sarra
    Powiązania:
    https://bibliotekanauki.pl/articles/2108330.pdf
    Data publikacji:
    2022-09-14
    Wydawca:
    Główny Urząd Statystyczny
    Tematy:
    exponential distribution
    Xgamma distribution
    Lindley distribution
    quantile function stochastic ordering
    maximum-likelihood estimation
    XLindley distribution
    Opis:
    The study describes the general concept of the XLindley distribution. Forms of density and hazard rate functions are investigated. Moreover, precise formulations for several numerical properties of distributions are derived. Extreme order statistics are established using stochastic ordering, the moment method, the maximum likelihood estimation, entropies and the limiting distribution. We demonstrate the new family's adaptability by applying it to a variety of real-world datasets.
    Źródło:
    Statistics in Transition new series; 2022, 23, 3; 95-112
    1234-7655
    Pojawia się w:
    Statistics in Transition new series
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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