1. Higher orders in classical and in quantum physics, loops, Wick rotation, mass renormalisation, Feynman parameters
2. Other renormalised quantities: coupling, norm of fields; non renormalizable theories
3. Relation with cutting rules and dispersion relations; vacuum polarisation
4. Exercices 6
5. dimensional regularisation and vacuum polarisation
6. Electron mass
7. Exercices 7
8. Electron charge
9. Renormalisation group
10. Exercices 8
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