87 citations · 114 across the 3 of their papers we have counts for
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astro-ph2008★ 20 cited
A Universal Magnification Theorem for Higher-Order Caustic Singularities
Amir B. Aazami, Arlie O. Petters
We prove that, independent of the choice of a lens model, the total signed magnification always sums to zero for a source anywhere in the four-image regions of swallowtail, ellipti…
astro-ph2006★ 7 cited
Substructure and the Cusp and Fold Relations
Amir Babak Aazami, Priyamvada Natarajan
Gravitational lensing of a background source by a foreground galaxy lens occasionally produces four images of the source. The cusp and the fold relations impose conditions on the r…