AbstractIn this paper a Fermat principle for Lorentzian manifold endowed with a timelike Killing vector field is formulated. This principle is applied to obtain existence and multiplicity results on the number of light rays joining an event with an integral curve of the Killing vector field
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
In this paper an infinite dimensional Morse theory for lightlike geodesics joining a point with a ti...
AbstractIn this paper a Fermat principle for Lorentzian manifold endowed with a timelike Killing vec...
AbstractWe present a version of the Fermat Principle to Lorentzian manifolds endowed with a time fun...
We present an extension of the classical Fermat principle in optics to stationary space-times. This ...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
We propose a nite dimensional setup for the study of lightlike geodesics starting orthogonally to a...
We propose a nite dimensional setup for the study of lightlike geodesics starting orthogonally to a...
Conferencia especializadaDuring the past years there has been a considerable amount of research rela...
AbstractIn this paper we deal with lightlike geodesics in Lorentzian manifolds which are closed with...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
In this paper an infinite dimensional Morse theory for lightlike geodesics joining a point with a ti...
AbstractIn this paper a Fermat principle for Lorentzian manifold endowed with a timelike Killing vec...
AbstractWe present a version of the Fermat Principle to Lorentzian manifolds endowed with a time fun...
We present an extension of the classical Fermat principle in optics to stationary space-times. This ...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
In thisi Note, using a generalization of the classical Fermat principle, we prove existence and mult...
We propose a nite dimensional setup for the study of lightlike geodesics starting orthogonally to a...
We propose a nite dimensional setup for the study of lightlike geodesics starting orthogonally to a...
Conferencia especializadaDuring the past years there has been a considerable amount of research rela...
AbstractIn this paper we deal with lightlike geodesics in Lorentzian manifolds which are closed with...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
We present some recent results about multiplicity for light rays joining an event with an observer b...
In this paper an infinite dimensional Morse theory for lightlike geodesics joining a point with a ti...