This is a preview. Log in through your library . Abstract This paper considers the problem of incorporating prior information about the shape and smoothness of a spectral density into the formation of ...

This is a preview. Log in through your library . Abstract We consider the problem of estimating the fractional order of a Lévy process from low frequency historical and options data. An estimation ...

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Karst wetlands, with their distinctive calcium-rich soils and dynamic hydrology, face growing ecological challenges due to biodiversity loss, habitat degradation, and climate change. Accurate ...