Lower bounds on image magnification in gravitational lensing

DOI10.1098/rspa.1996.0075zbMath0884.58037OpenAlexW2167472343MaRDI QIDQ3127894

Arlie O. Petters

Publication date: 15 April 1998

Published in: Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.1996.0075

zbMATH Keywords

Morse theorylower boundsgravitational lensingimage magnification

Mathematics Subject Classification ID

Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Electromagnetic fields in general relativity and gravitational theory (83C50) Observational and experimental questions in relativity and gravitational theory (83B05) Singularities of differentiable mappings in differential topology (57R45) Applications of variational problems in infinite-dimensional spaces to the sciences (58E50) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)

Related Items (2)

A timelike extension of Fermat's principle in general relativity and applications ⋮ Magnification relations in gravitational lensing via multidimensional residue integrals

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