Search Results for author: Christa Zoufal

Found 5 papers, 1 papers with code

Quantum Theory and Application of Contextual Optimal Transport

no code implementations22 Feb 2024 Nicola Mariella, Albert Akhriev, Francesco Tacchino, Christa Zoufal, Juan Carlos Gonzalez-Espitia, Benedek Harsanyi, Eugene Koskin, Ivano Tavernelli, Stefan Woerner, Marianna Rapsomaniki, Sergiy Zhuk, Jannis Born

In cases where paired data measurements ($\mu$, $\nu$) are coupled to a context variable $p_i$ , one may aspire to learn a global transportation map that can be parameterized through a potentially unseen con-text.

Quantum Kernel Alignment with Stochastic Gradient Descent

no code implementations19 Apr 2023 Gian Gentinetta, David Sutter, Christa Zoufal, Bryce Fuller, Stefan Woerner

Specifically, we demonstrate that Pegasos is particularly effective for non-stationary data, which is an important challenge in real-world applications.

On Quantum Circuits for Discrete Graphical Models

no code implementations1 Jun 2022 Nico Piatkowski, Christa Zoufal

In this work, we provide the first method that allows one to provably generate unbiased and independent samples from general discrete factor models with a quantum circuit.

The power of quantum neural networks

2 code implementations30 Oct 2020 Amira Abbas, David Sutter, Christa Zoufal, Aurélien Lucchi, Alessio Figalli, Stefan Woerner

We show that quantum neural networks are able to achieve a significantly better effective dimension than comparable classical neural networks.

BIG-bench Machine Learning Quantum Machine Learning

Quantum Generative Adversarial Networks for Learning and Loading Random Distributions

no code implementations npj Quantum Information 2019 Christa Zoufal, Aurélien Lucchi, Stefan Woerner

Through the interplay of a quantum channel, such as a variational quantum circuit, and a classical neural network, the qGAN can learn a representation of the probability distribution underlying the data samples and load it into a quantum state.

Quantum Physics

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