Summary of the three lectures. These notes are available electronically at http://www.ma.huji.ac.il/~drorbn/Talks/Srni-9901/notes.html.
@article{702140, title = {From astrology to topology via Feynman diagrams and Lie algebras}, booktitle = {Proceedings of the 19th Winter School "Geometry and Physics"}, series = {GDML\_Books}, publisher = {Circolo Matematico di Palermo}, address = {Palermo}, year = {2000}, pages = {[11]-16}, mrnumber = {MR1758073}, zbl = {0979.81076}, url = {http://dml.mathdoc.fr/item/702140} }
Bar-Natan, Dror. From astrology to topology via Feynman diagrams and Lie algebras, dans Proceedings of the 19th Winter School "Geometry and Physics", GDML_Books, (2000), pp. [11]-16. http://gdmltest.u-ga.fr/item/702140/