## Geophysical implications of a decentered inner core

AbstractIn a first approximation, the Earth’s interior has an isotropic structure with a spherical symmetry. Over the last decades the…

## On the accuracy of pseudospectral differentiation

AbstractFor various grids on a finite interval we measure the accurarcy of pseudospectral (collocation) differentiation matrices using two parameters. The…

## Accurate spectral solutions to a phase-field transition system

AbstractThe paper is mainly concerned with numerical approximation of solutions to the phase-field transition system (Caginalp’s model), subject to the…

## Diffusion in random velocity fields with applications to contaminant transport in groundwater

AbstractThe process of diffusion in a random velocity field is the mathematical object underlying currently used stochastic models of transport in…

## Intrinsic superstatistical components of financial time series

AbstractTime series generated by a complex hierarchical system exhibit various types of dynamics at different time scales. A financial time…