html

Abstract The rest in some approximation formulae can be expressed in terms of a generalized divided di§erence on three knots.…

Abstract Strong forces in celestial mechanics have the property that the particle moving under their action can describe periodic orbits,…

Abstract AuthorsMira-Cristiana Anisiu Thomas A Kotoulas Keywords? Paper coordinatesM.-C. Anisiu, Th. Kotoulas, Construction of 3D potentials from a pre-assigned two-parametric family…

Abstract The aim of the planar inverse problem of dynamics is to find the potentials under whose action a material…

Abstract We consider weighted arithmetic means as, for example \(\alpha G+\left(1-\alpha \right) C\), with \(\alpha \in \left( 0,1\right) ,GC\) being…