Math 665 Spring 2025 (Algebraic Geometry II): Syllabus Summary
Instructor: Takumi Murayama

Lecture Schedule and Homework Due Dates for Math 665

                          

Week


Date


Section(s)

Homework Due Dates
(Fri at 11:59PM)
1 1/13 Categories (3.1),
Sheaves (2.1)
1/15 Sheaves,
Sheafification (2.1)
Homework 1
2 1/20 Operations on sheaves (2.1), Sheaves of modules (2.5)
1/22 Abelian categories (3.1),
Mod(OX) is Abelian (2.5), Grothendieck Abelian categories (3.1)
Homework 2
3 1/27 Injective objects (3.1), Grothendieck Abelian categories have enough injectives (3.2)
1/29 Grothendieck Abelian categories have enough injectives, Mod(OX) is Grothendieck Abelian (3.2), Complexes and resolutions (3.1) Homework 3
4 2/3 Derived functors and sheaf cohomology, Grothendieck's vanishing theorem (3.2)
2/5 Grothendieck's vanishing theorem (3.2), Affine schemes (2.2) Homework 4
5 2/10 Schemes (2.2),
Coherent and quasi-coherent sheaves (2.5), Serre's equivalence for affine schemes (2.5)
2/12 Coherent and quasi-coherent sheaves (2.5), Serre's equivalence for affine schemes (2.5) Homework 5
6 2/17 Serre's equivalence for affine schemes (2.5), Cartan's Theorem B for affine schemes (3.3), Noetherian schemes (2.3)
2/19 Immersions, reduced schemes (2.3),
The qcqs lemma (2.5),
Serre's criterion for affineness (3.3)
Homework 6
7 2/24 Proj (2.2),
Serre's equivalence for Proj(S) (2.5),
Serre's finiteness and vanishing theorems (2.5, 3.5), Fiber products (2.3)
2/26 Fiber products and base change (2.3) Homework 7
8 3/3 Base change (2.3),
The diagonal morphism and separated morphisms (2.4)
3/5 No Class - Class Release for Midterm Exam Homework 8
9 3/10 Separated morphisms (2.4),
Čech cohomology (3.4)
3/12 The Cohomology of Projective Space (3.5) Midterm Oral Exam
3/12

Spring break

10 3/24 Valuative criteria (2.4)
3/26 Valuative criteria (2.4),
Relative Proj (2.7)
Homework 9
11 3/31 Rational maps to relative Proj (2.7)
Ample and very ample invertible sheaves (2.5, 2.7)
4/2 Projective morphisms (2.7) Homework 10
12 4/7 Divisors (2.6)
4/9 Divisors (2.6) Homework 11
13 4/14 Divisors (2.6)
4/16 Divisors (2.6)
Ampleness criteria (2.7, 3.5)
Homework 12
14 4/21 Ampleness criteria (2.7, 3.5)
Blowups (2.7)
Flat morphisms (3.9)
4/23 Differentials (2.8) Homework 13
15 4/28 Differentials (2.8),
Formally smooth morphisms (3.10)
4/30 Jacobian criterion,
Bertini's theorem (2.8),
Serre duality (3.7),
Riemann–Roch for curves (4.1)
Final Oral Exam
4/30
16
Have a wonderful summer!