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Gravitational Lensing and Optical Geometry A Centennial Perspective
- Format:
- Book
- Author/Creator:
- Werner, Marcus C., Editor.
- Language:
- English
- Physical Description:
- 1 online resource (128 p.)
- Other Title:
- Gravitational Lensing and Optical Geometry
- Place of Publication:
- Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute 2020
- Language Note:
- English
- Summary:
- The year 2019 saw the centenary of Eddington's eclipse expeditions and the corroboration of Einstein's general relativity by gravitational lensing. To mark the occasion, a Special Issue of Universe has been dedicated to the theoretical aspects of strong gravitational lensing. The articles assembled in this volume contain original research and reviews and apply a variety of mathematical techniques that have been developed to study this effect, both in 3-space and in spacetime. These include: · Mathematical properties of the standard thin lens approximation, in particular caustics; · Optical geometry, the Gauss-Bonnet method and related approaches; · Lensing in the spacetime of general relativity and modified theories; black hole shadows.
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