
Abstract 
1 
Introduction 
2 
Classical Black Hole Thermodynamics 
3 
Hawking
Radiation 
4 
The Generalized Second Law (GSL) 

4.1 
Arguments for the validity
of the GSL 

4.2 
Entropy bounds 
5 
Calculations of Black Hole Entropy 
6 
Open
Issues 

6.1 
Does a pure quantum state evolve to a mixed state in the process of
black hole formation and evaporation? 

6.2 
What (and where) are the degrees
of freedom responsible for black hole entropy? 
7 
Acknowledgements 

References 

Footnotes 