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training_for_research's Introduction

Training for Research

  • Study for the weekly research seminar
  • Mar. 2, 2021 ~ Feb. 1, 2022

1. Neural Networks Basics

  • Neural Networks, Logistic Regression, Gradient Descent

| Presentation |

2. Pattern formation

  • Lengyel-Epstein model (1D, 2D)

| Presentation | Code |

3. Gradient Descent

  • Convex optimization, Newton-method, Lagrange multiplier
  • Rosenbrock function

| Presentation | Code |

4. Wavelet Transform

  • Wavelet Transform and Windowed Fourier transform, Orthonormal wavelet bases : Multiresolution analysis
    | Presentation |
  • Hilbert Space and Fourier Analysis
    | Presentation |
  • Continuous windowed FT, operators, and Mathematical theorem related to wavelet transformation
    | Presentation |
[1] Daubechies, Ingrid. Ten lectures on wavelets. Society for industrial and applied mathematics, 1992.
[2] Harris, Terri Joan. "HILBERT SPACES AND FOURIER SERIES." (2015).

5. Monte-Carlo methods

  • Markov chain Monte-Carlo (MCMC), MCMC Analysis of Diffusion model, Kinetic/Dynamic Monte-Carlo

| Presentation | Code |

6. Adam optimization

  • Mini-batch gradient descent, exponentially weighted averages, bias correction, momentum, RMSprop, Adam

| Presentation | Code |

7. Hierarchical structure in financial markets

  • Correlation coefficient, Minimal spanning tree (MST), Subdominant ultrametric distance matrix

| Presentation | Code |

8. Dynamical asset trees

  • MST, four moments, central vertex, vertex degree, power law, multi-step survival ratio

| Presentation | Code |

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