Nonlinear stationary vortices in gravitating fluid
The problem of nonlinear self-organization of perturbations in differentially rotating, nonuniform, gravitating systems is studied. Two types of stationary nonlinear solutions, in the form of tripolar vortices and vortex chains of gravitational potential and density, dependent on the spatial profiles of the basic state quantities, are found. They propagate with a constant velocity perpendicularly to the basic state gradients, and characteristic time scales for the creation of such vortical structures are shown to be much shorter than the corresponding intervals for gravitational contraction.
Waves in a nonuniform rotating dusty magnetoplasma
The existence of a new mode in a nonuniform rotating dusty magnetoplasma is presented. The mode is driven by the Coriolis force and the dust density gradients, and it is a consequence of the twofold nature of dust grains behaving as massive particles from one side, and as charged objects that are subject to the electrostatic forces, from the other side. As a result, there appears a mode which combines these features of grains and it propagates perpendicular both to the density gradient and the vector of the angular rotation of the dusty plasma system.
The analysis of group contingency data.
The data analyses utilized in group contingency projects are reviewed. Previous studies are cited to emphasize advantages of nonconsolidated ("individual") over consolidated analyses. Several procedures are described that enable applied researchers to incorporate nonconsolidated data analyses in group contingency studies.