## 63.21 List of things which we should add above

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

curves and their Jacobians,

proper base change theorem,

inadequate discussion of $R\Gamma _ c$,

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

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

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

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