Problem 1.2, p1, Hartshorne

Problem 1.2, p2, Hartshorne

In 1.2 (and possibly elsewhere) my definition of closed is wrong. Closed in the Zariski topology means "is the zero set of some ideal," which I do show. I'll submit an update sometime after y'all find more mistakes.

Problem 1.8, Hartshorne

Problem 1.11, p1, Hartshorne

Problem 1.11, p2, Hartshorne

Discussion of (1) A^2-(0,0) not being a variety and (2) Irred. decomp. (Updated 6/7/05)

Problem 2.9, p1, Hartshorne

Problem 2.9, p2, Hartshorne

Problem 2.9, p3, Hartshorne

Some awesome notes on Krull Dimension, plus solutions to 2.6 and 2.10, by Jared

Solutions to 3.15, 2.14, 3.16 by Jared

Shaferevich I.4.5 by Chris (pdf)

Shaferevich I.4.5 by Chris (tex)