12 Examples and intuition for arithmetic schemes 2009-10-20T13:47:52.083

6 Is there a category-theoretic definition of the arithmetic Grothendieck group 2010-04-12T08:31:58.297

4 Existence of proper regular models for varieties over Q and other global fields 2009-10-20T13:33:32.700

0 Linear systems over non-algebraically closed field 2012-09-12T04:14:01.247