31/05/2007, 14:30 — 15:30 — Room P4.35, Mathematics Building
Radu Popescu, CAMGSD
Calculus of fractions and -theory for -algebras
I will explain what is a calculus of fractions in a category. This has to do with inverting some elements in a category. Then I'll show how and -theory for -algebras can be seen as categories of fractions, and derive some consequences.