# Courses Catalogue

### Syllabus of the course: * Special Topics in Condensed Matter Physics - Artificial Intelligence and Complex Dynamical Systems *

In this web page we provide the syllabus of the course Special Topics in Condensed Matter Physics - Artificial Intelligence and Complex Dynamical Systems, offered by the Department of Physics.

The list of the courses offered during the current accademic year is available here.

The list of all courses offered by the Department of Physics is available here.

Code | Φ-842 |
---|---|

Type | B |

ECTS | 5 |

Hours | 4 |

Semester | Spring |

Instructor | G. Tsironis |

Program | Monday, 15:00-17:00, 2st floor semminar room Thursday, 9:00-11:00, 2st floor semminar room |

Web page | https://eclass.physics.uoc.gr/courses/PH842/ |

Goal of the course | The course introduces methods of Artificial Intelligence (AI) and in particular Machine Learning (ML) in Complex Dynamical Systems. The aim is two-fold; on one hand it presents a very basic introduction to ML while, on the other hand, it uses the ML methods in the study of Complex systems. Prerequisites include basic computational tools and knowledge of classical and quantum mechanics. Expected outcomes: Knowledge of ML and Complex Systems and practical use of various ML techniques. |

Syllabus | Brief introduction to Machine Learning, types of ML, standard methods of regression, support vector machines, trees and forests, artificial neural networks. Introduction to basic concepts of nonlinear dynamical systems, differentiation between integrable and non-integrable systems, focus on the Discrete Nonlinear Schrödinger (DNLS) equation. Analytical solutions through elliptic functions, spectral properties and basic features of dynamics. Focus on integrable DNLS equation units and apply ML in order to extract known analytical results such as the self-trapping transition and the Targeted Energy Transfer (TET) condition for a two unit system. Use ML methods for non-integrable DNLS units. Chaotic systems, nonlinear time series analysis, embedding dimension. Extraction of dynamical system properties from the time series. Application of ML in chaotic time series, autoencoders, latent space dimensionality. Comparison of various ML methods when applied in dynamical systems. Feed forward neural networks, LSTM, reservoir computing. Extraction of coherence in spatiotemporal dynamics. Physics Informed Machine Learning (PIML), application in real data. The SIR model of epidemiology, application to COVID-19. Biomedical applications of ML and PIML. |

Bibliography | 1. Notes of G. Tsironis 2. A. Geron, Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow 3e : Concepts, Tools, and Techniques to Build Intelligent Systems (O’ Reilly 2022) 3. H. Abarbanel, Analysis of Observed Chaotic Data (Springer 1997) 4. V. M. Kenkre, Interplay of Quantum Mechanics with Nonlinearity (Springer 2022) |

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