104 Introducing Algebraic Stacks

• Section 104.1: Why read this?
• Section 104.2: Preliminary
• Section 104.3: The moduli stack of elliptic curves
• Section 104.4: Fibre products
  • Lemma 104.4.1: Key fact
  • Remark 104.4.2
  • Definition 104.4.3
• Section 104.5: The definition
  • Definition 104.5.1
• Section 104.6: A smooth cover
  • Lemma 104.6.1
  • Remark 104.6.2
• Section 104.7: Properties of algebraic stacks