update week 12 and week 13

Author: mhjensen

doc/pub/week12/html/week12-bs.html

@@ -9,14 +9,15 @@ DATE: April 24, 2025
 !bblock  Deep generative models
 o Variational Autoencoders (VAE), mathematics, basic mathematics
 o Writing our own codes for VAEs
+o Start discussion of Diffusion models (if we get time)
 #o "Video of lecture":"https://youtu.be/rw-NBN293o4"
 #o "Whiteboard notes":"https://github.com/CompPhysics/AdvancedMachineLearning/blob/main/doc/HandwrittenNotes/2024/NotesApril16.pdf"
 !eblock
 
 !split
 ===== Readings =====
 !bblock 
-o Add VAE material
+o Add VAE material to read about
 !eblock
 
 #todo: add about Langevin sampling, see https://www.lyndonduong.com/sgmcmc/