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In this paper,we introduce a fractional order SEIRmodelwith vertical transmissionwithin a nonconstant population.We show that themodel introduced in this paper has nonnegative solutions. We give a detailed analysis for the asymptotic stability of disease free and positive fixed points. Numerical simulations are also presented to verify the obtained results.(More)
In this paper, we introduce a fractional order SEIR epidemic model with vertical transmission, where the death rate of the population is density dependent, i.e., dependent on the population size. It is also assumed that there exists an infection related death rate. We show the existence of nonnegative solutions of the model, and also give a detailed(More)
In recent years, unmanned aerial vehicles-UAVs represent one of the most demanding technologies in aeronautics, and they have tremendous appeal because of their operability with considerable autonomy (by using minimal human intervention). UAVs have to operate in complex environments with different constraints such as obstacles, threatening zones, UAV(More)
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