Recent work on the dynamics of triaxial stellar systems is reviewed. The motion of boxlike orbits in realistic triaxial potentials is generically stochastic. The degree to which the stochasticity manifests itself in the dynamics depends on the chaotic mixing timescale, which is a small multiple of the crossing time in triaxial models with steep cusps or massive central singularities. Low-lumino...

The Polish ventricular assist device, POLVAD_EXT, is made of a polymer designed to be covered with a nanocoating of titanium nitride to improve haemocompatibility. A loss of cohesion can occur between the coating and the substrate. An analysis of stress and strain states in a multi-scale model of the blood chamber was performed in the finite element computer program, VADFEM. The multiscale mode...

One of the main research themes in quantum many-body systems is emergence collective features from microscopic degrees freedom. Using approach triaxial projected shell model, authors demonstrate that admixing a few quasiparticle excitations into vacuum configuration with fixed triaxiality parameter $\ensuremath{\gamma}$ provides quantitative description shape fluctuations $\ensuremath{\gamma}$-...

The main goal of the present paper is to evaluate perturbed locations and investigate linear stability triangular points. We studied problem in elliptic restricted three body frame work. generalized sense that two primaries are considered as triaxial bodies. It was found these points affected by triaxiality coefficients eccentricity orbits. Also, regions depend on involved perturbations. also p...

We describe the history and results of our study of early-type disk galaxies with the Multi-Pupil Spectrograph of the 6m telescope (MPFS). With the new data we confirm the discovery of chemically distinct nuclei reported in 1992; now such nuclei are found in two dozens galaxies. The structure of chemically distinct features formed probably in secondary nuclear star-formation bursts seems to be ...