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Oudejans, Benjamin (author)
As quantum computers are developing, they are beginning to become useful for practical applications, for example in the field of quantum metrology. In this work, a variational quantum algorithm is used to find an optimal probe state for measuring parameters in a noisy environment. This is achieved by optimizing a cost on a quantum computer,...
bachelor thesis 2021
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Goverse, Vincent (author)
In this thesis, we start with giving a mathematical description of bipartite quantum correlations and how they are built up in the Tensor model. This is needed because we want to recover the state and the operators when only the bipartite quantum correlation is known. In the literature, there are see-saw algorithms to...
bachelor thesis 2021
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de Vries, Olaf (author)
In this work, Clebsch-Gordan coefficients are studied from both a quantum mechanical and a mathematical perspective. In quantum mechanics, Clebsch-Gordan coefficients arise when two quantum systems with a certain angular momentum are combined and the total angular momentum is to be found. We start by discussing the relevant postulates of quantum...
bachelor thesis 2021
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Leijenhorst, Nando (author)
In this thesis, we give a primal-dual interior point method specialized to clustered low-rank semidefinite programs. We introduce multivariate polynomial matrix programs, and we reduce these to clustered low-rank semidefinite programs. This extends the work of Simmons-Duffin [J. High Energ. Phys. 1506, no. 174 (2015)] from...
master thesis 2021
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Schalkers, Merel (author)
Large fault­tolerant universal gate quantum computers will provide a major speed­up to a variety of common computational problems. While such computers are years away, we currently have noisy intermediate­scale quantum (NISQ) computers at our disposal. In this project we present two quantum machine learning approaches that can be used to find...
master thesis 2021
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Vollebergh, M.A.J. (author)
The construction of cyclic railway timetables is an important task for Netherlands Railways (NS).This construction can be formulated as a Periodic Event Scheduling Problem (PESP). The most powerful technique for solving cyclic railway timetabling problems is constraint programming, especially via SAT solvers when PESP instances are encoded as...
master thesis 2020
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Bosma, Jan (author)
The first part of this thesis provides a mathematical description for bipartite quantum correlations, aiming to analyze the geometry of several sets of correlations. We explain why quantum entanglement can be used to simulate shared randomness: C<sub>loc</sub>(Γ) ⊆ C<sub>q</sub><sup>d</sup>(Γ) for a sufficiently large d. The known bound for this...
bachelor thesis 2020
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Kalicharan, K. (author)
In de grafentheorie is het maximale snede probleem een bekend NP-hard probleem. Hiervoor is door Goemans en Williamson [GW95] een 0.878-benaderingsalgoritme gevonden gebaseerd op semidefiniet programmeren. Later zijn dezelfde technieken gebruikt om een benadering te vinden voor de oplossing van een algemener probleem genaamd het kleine...
bachelor thesis 2014
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