Deep Learning Insights into Cosmological Structure Formation - Luisa Lucie-Smith

Deep Learning Insights into Cosmological Structure Formation - Luisa Lucie-Smith

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Intro

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1 of 17

Intro

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Deep Learning Insights into Cosmological Structure Formation - Luisa Lucie-Smith

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  1. 1 Intro
  2. 2 Machine learning in Astronomy
  3. 3 Cosmological structure formation
  4. 4 Dark matter halo formation
  5. 5 Insights into dark matter halo collapse from ML?
  6. 6 A deep learning (DL) approach to halo formation
  7. 7 Construct ICs-to-halo mass mapping for every particle
  8. 8 Why convolutional neural networks?
  9. 9 CNN model
  10. 10 Convolutional layer
  11. 11 Training the CNN: minimising a loss function
  12. 12 Interpreting the learnt mapping between ICs and halos
  13. 13 Extracting knowledge from a neural network
  14. 14 Work in progress: knowledge extraction
  15. 15 Conclusions
  16. 16 Testing the ability of the CNN to extract features
  17. 17 Halo mass predictions from the initial conditions

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