1. Introduction

2. Wave function approach to the ground-state problem

3. Electron number density

4. First Hohenberg-Kohn theorem: non-degenerate ground-state case

5. First Hohenberg-Kohn theorem: degenerate ground-state case

6. Second Hohenberg-Kohn theorem

7. Formal solution of the ground-state problem in the Hohenberg-Kohn form

8. Solution of the ground-state problem for a non-interacting system

9. Kohn-Sham approach to the ground-state density problem

10. Ground-state energy from the Kohn-Sham approach

11. Approximations for the exchange correlation energy functional

12. Density matrices

13. Spin density functional theory

14. Density functional theory in terms of orbital-dependent functionals

15. Hartree-Fock approximation to the ground-state problem

16. The role of the exact exchange energy and potential

17. Determination of the exact exchange potential