Search Results - "Woerner, Stefan"

Quantum Generative Adversarial Networks for learning and loading random distributions by Zoufal, Christa, Lucchi, Aurélien, Woerner, Stefan

“…Quantum algorithms have the potential to outperform their classical counterparts in a variety of tasks. The realization of the advantage often requires the…”
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Quantum risk analysis by Woerner, Stefan, Egger, Daniel J.

“…We present a quantum algorithm that analyzes risk more efficiently than Monte Carlo simulations traditionally used on classical computers. We employ quantum…”
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Warm-starting quantum optimization by Egger, Daniel J., Mareček, Jakub, Woerner, Stefan

“…There is an increasing interest in quantum algorithms for problems of integer programming and combinatorial optimization. Classical solvers for such problems…”
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Variational quantum Boltzmann machines by Zoufal, Christa, Lucchi, Aurélien, Woerner, Stefan

“…This work presents a novel realization approach to quantum Boltzmann machines (QBMs). The preparation of the required Gibbs states, as well as the evaluation…”
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Grover Adaptive Search for Constrained Polynomial Binary Optimization by Gilliam, Austin, Woerner, Stefan, Gonciulea, Constantin

“…In this paper we discuss Grover Adaptive Search (GAS) for Constrained Polynomial Binary Optimization (CPBO) problems, and in particular, Quadratic…”
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Iterative quantum amplitude estimation by Grinko, Dmitry, Gacon, Julien, Zoufal, Christa, Woerner, Stefan

“…We introduce a variant of Quantum Amplitude Estimation (QAE) , called Iterative QAE (IQAE), which does not rely on Quantum Phase Estimation (QPE) but is only…”
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Improving Variational Quantum Optimization using CVaR by Barkoutsos, Panagiotis Kl, Nannicini, Giacomo, Robert, Anton, Tavernelli, Ivano, Woerner, Stefan

“…Hybrid quantum/classical variational algorithms can be implemented on noisy intermediate-scale quantum computers and can be used to find solutions for…”
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Resource-efficient quantum algorithm for protein folding by Robert, Anton, Barkoutsos, Panagiotis Kl, Woerner, Stefan, Tavernelli, Ivano

“…Predicting the three-dimensional structure of a protein from its primary sequence of amino acids is known as the protein folding problem. Due to the central…”
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Option Pricing using Quantum Computers by Stamatopoulos, Nikitas, Egger, Daniel J., Sun, Yue, Zoufal, Christa, Iten, Raban, Shen, Ning, Woerner, Stefan

“…We present a methodology to price options and portfolios of options on a gate-based quantum computer using amplitude estimation, an algorithm which provides a…”
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A Threshold for Quantum Advantage in Derivative Pricing by Chakrabarti, Shouvanik, Krishnakumar, Rajiv, Mazzola, Guglielmo, Stamatopoulos, Nikitas, Woerner, Stefan, Zeng, William J.

“…We give an upper bound on the resources required for valuable quantum advantage in pricing derivatives. To do so, we give the first complete resource estimates…”
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Simultaneous Perturbation Stochastic Approximation of the Quantum Fisher Information by Gacon, Julien, Zoufal, Christa, Carleo, Giuseppe, Woerner, Stefan

“…The Quantum Fisher Information matrix (QFIM) is a central metric in promising algorithms, such as Quantum Natural Gradient Descent and Variational Quantum…”
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Quantum Computing for Finance: State-of-the-Art and Future Prospects by Egger, Daniel J., Gambella, Claudio, Marecek, Jakub, McFaddin, Scott, Mevissen, Martin, Raymond, Rudy, Simonetto, Andrea, Woerner, Stefan, Yndurain, Elena

“…This article outlines our point of view regarding the applicability, state-of-the-art, and potential of quantum computing for problems in finance. We provide…”
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Quasiprobability decompositions with reduced sampling overhead by Piveteau, Christophe, Sutter, David, Woerner, Stefan

“…Quantum error-mitigation techniques can reduce noise on current quantum hardware without the need for fault-tolerant quantum error correction. For instance,…”
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Quantum equation of motion for computing molecular excitation energies on a noisy quantum processor by Ollitrault, Pauline J., Kandala, Abhinav, Chen, Chun-Fu, Barkoutsos, Panagiotis Kl, Mezzacapo, Antonio, Pistoia, Marco, Sheldon, Sarah, Woerner, Stefan, Gambetta, Jay M., Tavernelli, Ivano

“…The computation of molecular excitation energies is essential for predicting photo-induced reactions of chemical and technological interest. While the…”
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Towards Quantum Advantage in Financial Market Risk using Quantum Gradient Algorithms by Stamatopoulos, Nikitas, Mazzola, Guglielmo, Woerner, Stefan, Zeng, William J.

“…We introduce a quantum algorithm to compute the market risk of financial derivatives. Previous work has shown that quantum amplitude estimation can accelerate…”
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Quantum algorithm for alchemical optimization in material design by Barkoutsos, Panagiotis Kl, Gkritsis, Fotios, Ollitrault, Pauline J, Sokolov, Igor O, Woerner, Stefan, Tavernelli, Ivano

“…The development of tailored materials for specific applications is an active field of research in chemistry, material science and drug discovery. The number of…”
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Scaling of the quantum approximate optimization algorithm on superconducting qubit based hardware by Weidenfeller, Johannes, Valor, Lucia C., Gacon, Julien, Tornow, Caroline, Bello, Luciano, Woerner, Stefan, Egger, Daniel J.

“…Quantum computers may provide good solutions to combinatorial optimization problems by leveraging the Quantum Approximate Optimization Algorithm (QAOA). The…”
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The complexity of quantum support vector machines by Gentinetta, Gian, Thomsen, Arne, Sutter, David, Woerner, Stefan

“…Quantum support vector machines employ quantum circuits to define the kernel function. It has been shown that this approach offers a provable exponential…”
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Tight and Efficient Gradient Bounds for Parameterized Quantum Circuits by Letcher, Alistair, Woerner, Stefan, Zoufal, Christa

“…The training of a parameterized model largely depends on the landscape of the underlying loss function. In particular, vanishing gradients are a central…”
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CellCycleTRACER accounts for cell cycle and volume in mass cytometry data by Rapsomaniki, Maria Anna, Lun, Xiao-Kang, Woerner, Stefan, Laumanns, Marco, Bodenmiller, Bernd, Martínez, María Rodríguez

“…Recent studies have shown that cell cycle and cell volume are confounding factors when studying biological phenomena in single cells. Here we present a…”
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