文档介绍：arXiv:hep-th/0002145 v1 17 Feb 2000
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Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Classical Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Dual Representations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. DeSitter Entropy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
. Semiclassical Macroscopic Entropy . . . . . . . . . . . . . . . . . . . . . . 6
. Microscopic Entropy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5. Four Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6. Black Hole Formation on the Brane . . . . . . . . . . . . . . . . . . . . . . . 9
1. Introduction
Despite advances in the understanding of black