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This category marks all the ICTP posts containing the pdf file of the paper/book.

Strong forces in Celestial Mechanics

2 years ago

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

Special families of orbits in the direct problem of Dynamics

2 years ago

Abstract The direct problem of dynamics in two dimensions is modeled by a nonlinear second-order partial differential equation, which is…

An alternative point of view on the equations of the inverse problem of Dynamics

2 years ago

Abstract The version of the inverse problem of dynamics considered here is: given a family of planar curves \(f(x,y)=c\), find…

Symmetries in the Popovici-Manev photogravitational field

2 years ago

Abstract The Popovici-Manev photogravitational field is generated by a Manev-type attraction force and the repelling radiative force considered by Constantin…

Symmetric periodic orbits in proto-stellar system

2 years ago

Abstract We approach the dynamics in proto-stellar systems via the two-body problem associated to an anisotropic Schwarzschild-type potential. On the…

A solvable version of the inverse problem of dynamics

2 years ago

Abstract The particular version of the inverse problem of dynamics considered here is: given the ‘slope function’ \(\gamma =f_{y}/f_{x}\), representing…

Families of orbits in planar anisotropic fields

2 years ago

Abstract The aim of the planar inverse problem of dynamics is: given a monoparametric family of curves \(f(x,y)=c\), find the…

Construction of 3D potentials from a pre-assigned two-parametric family of orbits

2 years ago

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…

Families of orbits in conservative fields of Hénon-Heiles type

2 years ago

Abstract The equations of the inverse problem of dynamics are used in order to obtain planar and spatial potentials of…

Pencils of straight lines in logarithmic potentials

2 years ago

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

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