Lectures
## *Lecture notes*

**Lecture 1** -- Review of the fundamental postulates of Quantum Mechanics.

**Lecture 2** -- Exact treatment of the hydrogen molecule ion.

**Lecture 3** -- The variational principle and the variational method.

**Lecture 4** -- Variational treatment of chemical bonding in the hydrogen molecule ion.

**Lecture 5** -- Introduction to Spin.

**Lecture 6** -- Further Developments of Spin and Introduction to the Dirac Equation.

**Lecture 7** -- Solution of the Dirac Equation for a Free Particle and Total Angular Momentum.

**Lecture 8** -- Adding Spins.

**Lecture 9** -- Systems of identical particles.

**Lecture 10** -- The Born-Oppenheimer Approximation and Hellman-Feynman theorem.

**Lecture 11** -- Hartree, Hartree-Fock and Moller-Plesset Perturbation theories.

**Lecture 12** -- Introduction to density functional theory.

**Lecture 13** -- Adiabatic connection formula and exchange-correlation functionals

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