6 citations · 9 across the 2 of their papers we have counts for
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astro-ph.CO2016★ 6 cited
Magnification relations of quad lenses and applications on Einstein crosses
Zhe Chu, G. L. Li, W. P. Lin +1
In this work, we mainly study the magnification relations of quad lens models for cusp, fold and cross configurations. By dividing and ray-tracing in different image regions, we nu…
astro-ph.CO2015★ 3 cited
Cusp Summations and Cusp Relations of Simple Quad Lenses
Zhe Chu, G. L. Li, W. P. Lin
We review five often used quad lens models, each of which has analytical solutions and can produce four images at most. Each lens model has two parameters, including one that descr…