Informes
23/04/07 - 27/04/07 Philosophical & formal issues in foundations of modern physics,C543, France: Hermann Nicolai: Quantum gravity; an introductory summary (incomplete) / Oliver Pooley: Background independence (incomplete) / Lucieu Hardy: Report on a tentative approach to quantum gravity (incomplete) / John Baez: Quantum quandaries; a category-theoretic perspective (incomplete)