most citedFixed points of mapping of N-point gravitational lenses

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physics.class-ph2018★ 1 cited

Fixed points of mapping of N-point gravitational lenses

Albert Kotvytskiy, Volodymir Shablenko, Evgenij Bronza

In this paper, we study fixed points of N-point gravitational lenses. We use complex form of lens mapping to study fixed points. Complex form has an advantage over coordinate one b…