Talk:Solutions to Hartshorne's Algebraic Geometry/Separated and Proper Morphisms

Would it be handy if I changed $$Spec\,$$ to $$\mathrm{Spec}\,$$ through out? Thenub314 (talk) 03:47, 10 November 2010 (UTC)

Issue with Exercise II.4.11
The claimed set of generators may not exist. For example, in a non-regular Noetherian local domain of dimension one, the maximal ideal is not principal, yet the radical of any nonzero principal ideal contained in the maximal ideal is the entire maximal ideal.