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   Articles with "model random" as a keyword



A Two‐Dimensional Diffusion Dual Risk Model With Random Delays Under the Threshold Strategy

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recommendations! Published in 2025 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.70216

Abstract: This paper investigates the dividend problem for a two‐dimensional diffusion dual risk model with random delays in profit arrival times. We prove the optimality of threshold dividend strategies. Under this strategy, we derive a set… read more here.

Keywords: risk model; two dimensional; model random; diffusion dual ... See more keywords

Nonlinear model with random inflection points for modeling neurodegenerative disease progression.

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recommendations! Published in 2018 at "Statistics in medicine"

DOI: 10.1002/sim.7951

Abstract: Due to a lack of a gold standard objective marker, the current practice for diagnosing a neurological disorder is mostly based on clinical symptoms, which may occur in the late stage of the disease. Clinical… read more here.

Keywords: nonlinear model; inflection; disease; model random ... See more keywords

Critical Behavior of the Annealed Ising Model on Random Regular Graphs

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recommendations! Published in 2017 at "Journal of Statistical Physics"

DOI: 10.1007/s10955-017-1879-7

Abstract: In Giardinà et al. (ALEA Lat Am J Probab Math Stat 13(1):121–161, 2016), the authors have defined an annealed Ising model on random graphs and proved limit theorems for the magnetization of this model on… read more here.

Keywords: graphs; random regular; regular graphs; model random ... See more keywords

Model for random atmospheric inhomogeneities in engine noise auralization

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recommendations! Published in 2024 at "CEAS Aeronautical Journal"

DOI: 10.1007/s13272-024-00764-4

Abstract: Modelling the impact of atmospheric turbulence is not often encountered in aircraft noise auralizations despite its relevance to human-ear perception. As sound waves propagating through turbulent media undergo modulations, observable in phase and amplitude fluctuations,… read more here.

Keywords: noise; model; model random; engine noise ... See more keywords

Survival Analysis with Parametric Proportional Hazards Model of Random Censorship

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recommendations! Published in 2017 at "American Journal of Mathematical and Management Sciences"

DOI: 10.1080/01966324.2016.1274929

Abstract: SYNOPTIC ABSTRACT This article presents the survival analysis in a proportional hazards model of random censorship using Weibull distribution. It is well known for Weibull distribution that the conjugate prior of the scale and shape… read more here.

Keywords: analysis; hazards model; random censorship; model random ... See more keywords

Analysis of the Stochastic Population Model with Random Parameters

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recommendations! Published in 2020 at "Entropy"

DOI: 10.3390/e22050562

Abstract: The population models allow for a better understanding of the dynamical interactions with the environment and hence can provide a way for understanding the population changes. They are helpful in studying the biological invasions, environmental… read more here.

Keywords: random parameters; model random; population; stochastic population ... See more keywords
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Packing Fraction of a Two-dimensional Eden Model with Random-Sized Particles

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recommendations! Published in 2018 at "Journal of the Physical Society of Japan"

DOI: 10.7566/jpsj.87.014005

Abstract: We have performed a numerical simulation of a two-dimensional Eden model with random-size particles. In the present model, the particle radii are generated from a Gaussian distribution with mean μ ... read more here.

Keywords: two dimensional; model random; model; eden model ... See more keywords

Avalanche Distribution of Fiber Bundle Model with Random Displacement

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recommendations! Published in 2019 at "Journal of the Physical Society of Japan"

DOI: 10.7566/jpsj.88.023002

Abstract: A modified fiber bundle model is proposed by introducing random displacement of fibers, which can be regarded as a simple model of random fibrous materials. All fibers in this model have the same e... read more here.

Keywords: bundle model; model random; random displacement; model ... See more keywords