The stochastic limit in the analysis of some modified open BCS models
Fabio Bagarello (2006)
Banach Center Publications
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Fabio Bagarello (2006)
Banach Center Publications
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Fischer, Cyril, Náprstek, Jiří
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The mathematical model of a ball-type vibration absorber represents a non-linear differential system which includes non-holonomic constraints. When a random ambient excitation is taken into account, the system has to be treated as a stochastic deferential equation. Depending on the level of simplification, an analytical solution is not practicable and numerical solution procedures have to be applied. The contribution presents a simple stochastic analysis of a particular resonance effect...
Mohamed Kayid, Salman Izadkhah, Dalal ALmufarrej (2016)
Applications of Mathematics
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By considering a covariate random variable in the ordinary proportional mean residual life (PMRL) model, we introduce and study a general model, taking more situations into account with respect to the ordinary PMRL model. We investigate how stochastic structures of the proposed model are affected by the stochastic properties of the baseline and the mixing variables in the model. Several characterizations and preservation properties of the new model under different stochastic orders and...
Elisabetta Tornatore, Stefania Maria Buccellato (2007)
Applicationes Mathematicae
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We consider a stochastic SIR system and we prove the existence, uniqueness and positivity of solution. Moreover the existence of an invariant measure under a suitable condition on the coefficients is studied.
J. Gani (1966-1967)
Publications mathématiques et informatique de Rennes
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M. Aguiar, B.W. Kooi, J. Martins, N. Stollenwerk (2012)
Mathematical Modelling of Natural Phenomena
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In this paper we analyze the stochastic version of a minimalistic multi-strain model, which captures essential differences between primary and secondary infections in dengue fever epidemiology, and investigate the interplay between stochasticity, seasonality and import. The introduction of stochasticity is needed to explain the fluctuations observed in some of the available data sets, revealing a scenario where noise and complex deterministic...
M. Métivier, J. Pellaumail (1976)
Publications mathématiques et informatique de Rennes
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Alireza Amirteimoori, Saber Mehdizadeh, Sohrab Kordrostami (2022)
Kybernetika
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In classic data envelopment analysis models, two-stage network structures are studied in cases in which the input/output data set are deterministic. In many real applications, however, we face uncertainty. This paper proposes a two-stage network DEA model when the input/output data are stochastic. A stochastic two-stage network DEA model is formulated based on the chance-constrained programming. Linearization techniques and the assumption of single underlying factor of the data are used...
Michał Kisielewicz (1997)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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The definition and some existence theorems for stochastic differential inclusions depending only on selections theorems are given.