Abstract
1 Introduction
2 History of Gravitational Lensing
3 Basics of Gravitational Lensing
3.1 Lens Equation
3.2 Einstein Radius
3.3 Critical Surface Mass ...
3.4 Image Positions and ...
3.5 (Non-)Singular Isothermal Sphere ...
3.6 Lens Mapping
3.7 Time delay and ...
4 Lensing Phenomena
4.1 Multiply-imaged quasars
4.2 Quasar microlensing
4.3 Einstein rings
4.4 Giant luminous arcs ...
4.5 Weak/statistical lensing
4.6 Cosmological aspects of ...
4.7 Galactic microlensing
5 Future Gravitational Lensing
6 Acknowledgements
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