## 63.21 List of things which we should add above

What did we skip the proof of in the lectures so far:

1. curves and their Jacobians,

2. proper base change theorem,

3. inadequate discussion of $R\Gamma _ c$,

4. more generally, given $f : X \to S$ finite type, separated $S$ quasi-projective, discussion of $Rf_!$ on étale sheaves.

5. discussion of $\otimes ^{\mathbf{L}}$

6. discussion of why $R\Gamma _ c$ commutes with $\otimes ^{\mathbf{L}}$

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