Search Results - "Zoufal, Christa"

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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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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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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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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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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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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A variational quantum algorithm for the Feynman-Kac formula by Alghassi, Hedayat, Deshmukh, Amol, Ibrahim, Noelle, Robles, Nicolas, Woerner, Stefan, Zoufal, Christa

“…We propose an algorithm based on variational quantum imaginary time evolution for solving the Feynman-Kac partial differential equation resulting from a…”
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Variational quantum algorithm for unconstrained black box binary optimization: Application to feature selection by Zoufal, Christa, Mishmash, Ryan V., Sharma, Nitin, Kumar, Niraj, Sheshadri, Aashish, Deshmukh, Amol, Ibrahim, Noelle, Gacon, Julien, Woerner, Stefan

“…We introduce a variational quantum algorithm to solve unconstrained black box binary optimization problems, i.e., problems in which the objective function is…”
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QMRAcatch: Human‐Associated Fecal Pollution and Infection Risk Modeling for a River/Floodplain Environment by Derx, Julia, Schijven, Jack, Sommer, Regina, Zoufal‐Hruza, Christa M., Driezum, Inge H., Reischer, Georg, Ixenmaier, Simone, Kirschner, Alexander, Frick, Christina, Roda Husman, Ana Maria, Farnleitner, Andreas H., Blaschke, Alfred Paul

“…Protection of drinking water resources requires addressing all relevant fecal pollution sources in the considered catchment. A freely available simulation…”
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Modelling the interplay of future changes and wastewater management measures on the microbiological river water quality considering safe drinking water production by Demeter, Katalin, Derx, Julia, Komma, Jürgen, Parajka, Juraj, Schijven, Jack, Sommer, Regina, Cervero-Aragó, Silvia, Lindner, Gerhard, Zoufal-Hruza, Christa M., Linke, Rita, Savio, Domenico, Ixenmaier, Simone K., Kirschner, Alexander K.T., Kromp, Harald, Blaschke, Alfred P., Farnleitner, Andreas H.

“…Rivers are important for drinking water supply worldwide. However, they are often impacted by pathogen discharges via wastewater treatment plants (WWTP) and…”
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The power of quantum neural networks by Abbas, Amira, Sutter, David, Zoufal, Christa, Lucchi, Aurelien, Figalli, Alessio, Woerner, Stefan

“…It is unknown whether near-term quantum computers are advantageous for machine learning tasks. In this work we address this question by trying to understand…”
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Quantum circuits for discrete graphical models by Piatkowski, Nico, Zoufal, Christa

“…Graphical models are useful tools for describing structured high-dimensional probability distributions. The development of efficient algorithms for generating…”
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Generative Quantum Machine Learning by Zoufal, Christa

“…The goal of generative machine learning is to model the probability distribution underlying a given data set. This probability distribution helps to…”
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Challenges and opportunities in quantum optimization by Abbas, Amira, Ambainis, Andris, Augustino, Brandon, Bärtschi, Andreas, Buhrman, Harry, Coffrin, Carleton, Cortiana, Giorgio, Dunjko, Vedran, Egger, Daniel J., Elmegreen, Bruce G., Franco, Nicola, Fratini, Filippo, Fuller, Bryce, Gacon, Julien, Gonciulea, Constantin, Gribling, Sander, Gupta, Swati, Hadfield, Stuart, Heese, Raoul, Kircher, Gerhard, Kleinert, Thomas, Koch, Thorsten, Korpas, Georgios, Lenk, Steve, Marecek, Jakub, Markov, Vanio, Mazzola, Guglielmo, Mensa, Stefano, Mohseni, Naeimeh, Nannicini, Giacomo, O’Meara, Corey, Tapia, Elena Peña, Pokutta, Sebastian, Proissl, Manuel, Rebentrost, Patrick, Sahin, Emre, Symons, Benjamin C. B., Tornow, Sabine, Valls, Víctor, Woerner, Stefan, Wolf-Bauwens, Mira L., Yard, Jon, Yarkoni, Sheir, Zechiel, Dirk, Zhuk, Sergiy, Zoufal, Christa

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On Quantum Circuits for Discrete Graphical Models by Piatkowski, Nico, Zoufal, Christa

“…Graphical models are useful tools for describing structured high-dimensional probability distributions. Development of efficient algorithms for generating…”
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Tight and Efficient Gradient Bounds for Parameterized Quantum Circuits by Letcher, Alistair, Woerner, Stefan, Zoufal, Christa

“…Quantum 8, 1484 (2024) The training of a parameterized model largely depends on the landscape of the underlying loss function. In particular, vanishing…”
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Error Bounds for Variational Quantum Time Evolution by Zoufal, Christa, Sutter, David, Woerner, Stefan

“…Physical Review Applied, 2023 Variational quantum time evolution allows us to simulate the time dynamics of quantum systems with near-term compatible quantum…”
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Quantum-Enhanced Simulation-Based Optimization by Gacon, Julien, Zoufal, Christa, Woerner, Stefan

“…In this paper, we introduce a quantum-enhanced algorithm for simulation-based optimization. Simulation-based optimization seeks to optimize an objective…”
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Stochastic Approximation of Variational Quantum Imaginary Time Evolution by Gacon, Julien, Zoufal, Christa, Carleo, Giuseppe, Woerner, Stefan

“…The imaginary-time evolution of quantum states is integral to various fields, ranging from natural sciences to classical optimization or machine learning…”
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Quantum Kernel Alignment with Stochastic Gradient Descent by Gentinetta, Gian, Sutter, David, Zoufal, Christa, Fuller, Bryce, Woerner, Stefan

“…Quantum support vector machines have the potential to achieve a quantum speedup for solving certain machine learning problems. The key challenge for doing so…”
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