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Schalkers, M.A. (author), Möller, M. (author)In this paper we present a scalable algorithm for faulttolerant quantum computers for solving the transport equation in two and three spatial dimensions for variable grid sizes and discrete velocities, where the object walls are aligned with the Cartesian grid, the relative difference of velocities in each dimension is bounded by 1 and the...journal article 2024
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den Ouden, Ronan (author)Random walks have been used in a number of different fields for a long time. With the rise of of quantum random walks a lot of these applications have been made more efficient. Recently there have been a lot of improvements in the realization of these quantum random walks in real world systems. <br/>In this research, the effect of uncertainty in...bachelor thesis 2023
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Driebergen, Tim (author)The minimum vertex cover problem (MinVertexCover) is an important optimization problem in graph theory, with applications in numerous fields outside of mathematics. As MinVertexCover is an NPhard problem, there currently exists no efficient algorithm to find an optimal solution on arbitrary graphs. We consider quantum optimization algorithms,...master thesis 2023
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Ovide, Anabel (author), Rodrigo, Santiago (author), Bandic, M. (author), van Someren, J. (author), Feld, S. (author), Abadal, Sergi (author), Alarcon, Eduard (author), Almudever, Carmen G. (author)Current monolithic quantum computer architectures have limited scalability. One promising approach for scaling them up is to use a modular or multicore architecture, in which different quantum processors (cores) are connected via quantum and classical links. This new architectural design poses new challenges such as the expensive intercore...conference paper 2023
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Verduyn, Thomas (author)The need of computational power for engineering applications has been ever increasing and with classical computers approaching their physical limits, new ways of improvement have to be investigated. One of the promising solutions is quantum computing. Most engineering problems require solving a system of linear equations of higher dimensions and...master thesis 2022
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Sarkar, A. (author)Efforts to realize a sufficiently large controllable quantum processor are actively being pursued globally. These quantum devices are programmed by specifying the manipulation of quantum information via quantum algorithms. This doctoral research provides an application perspective to the design requirements of a quantum accelerator architecture....doctoral thesis 2022
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Steinberg, M.A. (author), Feld, S. (author), Almudever, Carmen G. (author), Marthaler, Michael (author), Reiner, Jan Michael (author)The qubitmapping problem aims to assign and route qubits of a quantum circuit onto an noisy intermediatescale quantum (NISQ) device in an optimized fashion, with respect to some cost function. Finding an optimal solution to this problem is known to scale exponentially in computational complexity; as such, it is imperative to investigate...journal article 2022
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Tosti Balducci, G.B.L. (author), Chen, B. Y. (author), Möller, M. (author), Gerritsma, M.I. (author), De Breuker, R. (author)Structural mechanics is commonly modeled by (systems of) partial differential equations (PDEs). Except for very simple cases where analytical solutions exist, the use of numerical methods is required to find approximate solutions. However, for many problems of practical interest, the computational cost of classical numerical solvers running on...review 2022
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Patra, B (author)Quantum computers can provide exponential speedup in solving certain computational problems pertaining to drug discovery, cybersecurity, weather forecasting, etc. Although a quantum computer with just 50qubits has been shown to surpass the computing power of the best supercomputers in specific applications, millions of qubits would be required...doctoral thesis 2021
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van der Linde, Stan (author)Recent developments in quantum annealing have shown promising results in logistics, life sciences, machine learning and more. However, in the field of geophysical sciences the applications have been limited. A quantum annealing application was developed for residual statics estimation. Residual statics estimation is a highly nonlinear problem...master thesis 2021
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Cappanera, Enrico (author)This research investigates the possibility of solving one dimensional Poisson's equation on quantum computers using the Variational Quantum Linear Solver (VQLS) as a simplified test case for fluid dynamics applications. In this work, Poisson's equation is discretized with the finite element method and the resulting matrix is decomposed as a...master thesis 2021
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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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van der Meer, Tim (author)The rapid progress quantum devices have made in recent years has led to the need for systems that bridge the gap between quantum algorithms and quantum hardware. To this purpose different fullstack quantum programming platforms have been developed, providing high level languages for expressing quantum algorithms and providing compilers for...master thesis 2021
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Sigurđsson, Sigurdsson (author)In this thesis, I make a comparison of two quantum algorithms for solving systems of linear equations. The two approaches are tested using both simulations of quantum processes and simulations of noisy intermediaryscale quantum computers, i.e., NISQ. Both methods are tested on the same problems to compare sensitivity and runtime efficiency,...master thesis 2021
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Sarkar, A. (author), AlArs, Z. (author), Almudever, Carmen G. (author), Bertels, K.L.M. (author)With smallscale quantum processors transitioning from experimental physics labs to industrial products, these processors in a few years are expected to scale up and be more robust for efficiently computing important algorithms in various fields. In this paper, we propose a quantum algorithm to address the challenging field of data processing...journal article 2021
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Sarkar, A. (author), AlArs, Z. (author), Bertels, K.L.M. (author)Inferring algorithmic structure in data is essential for discovering causal generative models. In this research, we present a quantum computing framework using the circuit model, for estimating algorithmic information metrics. The canonical computation model of the Turing machine is restricted in time and space resources, to make the target...journal article 2021
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Bus, J.C.P. (author)The Quantum Approximate Optimization Algorithm (QAOA) is one of the promising nearterm algorithms designed to find approximate solutions for combinatorial optimization problems. The algorithm prepares a parametrized state that is aimed to maximize the expectation value of the objective function of the problem. The circuit for QAOA consists of p...bachelor thesis 2020
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Krol, Anneriet (author)Unitary Decomposition is an algorithm for translating a unitary matrix into many small unitary matrices, which correspond to a circuit that can be executed on a quantum computer. It is implemented in the quantum programming framework of the QCAgroup at TU Delft: OpenQL, a library for Python and C++. Unitary Decomposition is a necessary part in...master thesis 2019
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Ubbens, Otmar (author)With the rapid development of Quantum Computers (QC) and QC Simulators, there will be an increased demand for functioning Quantum Algorithms in the near future. Some of the most ubiquitously useful algorithms are solvers for linear systems of equations. Since the conception of the Quantum Linear Solver Algorithm (QLSA) by Harrow, Hassidim and...bachelor thesis 2019
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Driebergen, Tim (author)Currently there are no efficient quantum algorithms for the addition of realvalued numbers. In classical computers addition is performed by using barrel shifters, a concept proven to be very inefficient as a quantum circuit due to its many garbage outputs when the barrel shifter is made reversible. This thesis aims to design a quantum algorithm...bachelor thesis 2019
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