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Numerical solution of the Schrödinger equation by rational Krylov subspace approximation for simulations in nuclear magnetic resonance spectroscopy
Název práce v češtině: Numerical solution of the Schrödinger equation by rational Krylov subspace approximation for simulations in nuclear magnetic resonance spectroscopy
Název v anglickém jazyce: Numerical solution of the Schrödinger equation by rational Krylov subspace approximation for simulations in nuclear magnetic resonance spectroscopy
Akademický rok vypsání: 2023/2024
Typ práce: diplomová práce
Jazyk práce:
Ústav: Katedra numerické matematiky (32-KNM)
Vedoucí / školitel: Stefano Pozza, Dr., Ph.D.
Řešitel:
Zásady pro vypracování
The work will require using and adapting newly developed codes for spin dynamics simulation. The main goal is to test the use of rational Krylov subspace methods to solve a large system of Schrödinger equations. The primary programming language will be MatLab. The work requires a literature review of the related topics.

The project offers the possibility to collaborate with the international members of the *-Lanczos (www.starlanczos.cz) and the MAGICA project (https://anr.fr/Project-ANR-20-CE29-0007). It is possible to organize a visit to one of the partner universities (Sorbonne or Bologna) in the framework of Erasmus+.
Seznam odborné literatury
- C. Bonhomme, S. Pozza, N. Van Buggenhout, A new fast numerical method for the generalized Rosen-Zener model, 2023, arXiv:2209.15533 [math.NA]
- I. Kuprov. Spin. Springer International Publishing, 2023.
- D. Palitta, P. Kürschner, On the convergence of Krylov methods with low-rank truncations. Numerical Algorithms, 88(3) (2021), 1383-1417.
- D. Palitta, V. Simoncini, Computationally enhanced projection methods for symmetric Sylvester and Lyapunov matrix equations, Journal of Computational and Applied Mathematics, 330 (2018), 648-659
- S. Pozza, N. Van Buggenhout, A new matrix equation expression for the solution of non-autonomous linear systems of ODEs, Proceedings in Applied Mathematics & Mechanics, 2023 arXiv:2210.07052 [math.NA]
- S. Pozza, N. Van Buggenhout, A new Legendre polynomial-based approach for non-autonomous linear ODEs, 2023.
- V. Simoncini. Computational methods for linear matrix equations. SIAM Review, 58:377–441, 2016.
Předběžná náplň práce
Thanks to a new approach, the solution of certain systems of Schrödinger equations can be expressed through the solution of a matrix equation. Since solving such an equation is particularly challenging when its size is large-to-huge, a model reduction approach is necessary, e.g., using Krylov subspaces.
This work will focus on systems arising in nuclear magnetic resonance applications. The final aim is to test well-known Rational Krylov subspace approaches to approximate the matrix equation solution. The work also requires collaborating with the Sorbonne University team that will provide the equation's data.
Předběžná náplň práce v anglickém jazyce
Thanks to a new approach, the solution of certain systems of Schrödinger equations can be expressed through the solution of a matrix equation. Since solving such an equation is particularly challenging when its size is large-to-huge, a model reduction approach is necessary, e.g., using Krylov subspaces.
This work will focus on systems arising in nuclear magnetic resonance applications. The final aim is to test well-known Rational Krylov subspace approaches to approximate the matrix equation solution. The work also requires collaborating with the Sorbonne University team that will provide the equation's data.
 
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