Title of article
Fermats principle, Morse theory and applications to the gravitational lens effect Original Research Article
Author/Authors
Volker Perlick، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1997
Pages
9
From page
617
To page
625
Keywords
general relativity , Lorentzian geometry , Fermatיs principle , Morse theory , gravitational lens effect , Sobolev spaces , geodesics
Journal title
Nonlinear Analysis Theory, Methods & Applications
Serial Year
1997
Journal title
Nonlinear Analysis Theory, Methods & Applications
Record number
855955
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