Homework.

For Friday February 14:
Readings: review 4.1, 4.2; read 4.3, 6.1.
Liu 4.1.2, 4.1.8, 4.2.2, 4.2.6.

For Friday, February 21:
Resolve singularities of $z^2 - x^2y^2 = 0$ by blowing up some lines or points.
Resolve singularities of $xy = t^k$ by blowing up points.

For a future date:
Read Kollár 3.1-3.4.
Principalize $(y^2 - x^k)$.
Principalize $(x^2 - zy^2)$.
Principalize $(z^2 - x^2y^2)$.
Principalize $(xy - t^k)$.