For any Reynolds number an ABC flow is a steady state solution to the Navier-Stokes equation with th

Hydrodynamic and magnetohydrodynamic convective attractors in a plane horizontal layer are investiga

Vortex line formalism for solutions of the Euler equation without forcing is introduced, and results

We survey some of the variational techniques used in the study of nonlinear elliptic boundary value

Título completo: Routh theorem on existence and stability of steady motions~for the systems subject

We deal with a family of orthogonal polynomials as perturbed of Chebyshev polynomials of second kind

Let $u$ be a form and the corresponding Hankel determinants $\Delta_n(u)$ ; suppose that there exis