AG-Week Four

Week Four

This is the page with specific information for Week 4 of our Algebraic Geometry Graduate Reading Course

Discussion Leader: Amanda

Schedule

• For 9/22: Be prepared to discuss 3.4
  • Hand in 6 written up problems
• For 9/24: Read & be prepared to discuss 3.5
• For 9/27: Read & be prepared to discuss 3.5, 3.6, 3.7.
  • Meeting with faculty: Bring questions from all of Chapter 3.

Homework

• 6 problems due 9/22

Questions

• Why does sheafification being left-adjoint to the forgetful functor "explain" why you don't need to sheafify when taking kernel, and why you need to sheafify when taking cokernel (see 3.4.K)?
  • If $f:A \to B$ is a morphism of sheaves, then