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created: 2023-03-26T11:58
updated: 2023-05-04T16:05
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Some relevant videos:

- Phil on background material for compactifications of $\Mg, \Ag$: 
  <https://www.youtube.com/watch?v=59n_fGf9X48&list=PLZut3oE4FI0x6-8y-a4_QSO0vmCelxxz9&index=6>
  
- **Very relevant**: Phil on compactifications of K3s using integral affine structures
  <https://www.youtube.com/watch?v=tqSz759V66U&list=PLZut3oE4FI0x6-8y-a4_QSO0vmCelxxz9&index=12>

- Very relevant: Valery on K3s and IASs: <https://www.youtube.com/watch?v=LH4f38iT6cc&t=13s>



# To add to paper

![](2023-04-26-4.png)

Modern terminology: reduced normal crossings.
KPP degenerations.

![](2023-04-27.png )


Comparing toroidal to BB: blow up cusps.

![](2023-04-28-1.png)

![](2023-04-28-2.png)

![](2023-04-28-3.png)

![](2023-04-28-4.png)

![](2023-04-28-5.png)