Title of article :
On a morse theory for light rays without nondegeneracy assumptions Original Research Article
Author/Authors :
Anna Germinario، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Keywords :
Lorentzian Manifolds , lightlike geodesies , Morse theory , Gravitational Lensing Effect , degenerate critical points
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
