Search Results for author: Alejandro Pozas-Kerstjens

Found 10 papers, 6 papers with code

Universal representation by Boltzmann machines with Regularised Axons

no code implementations22 Oct 2023 Przemysław R. Grzybowski, Antoni Jankiewicz, Eloy Piñol, David Cirauqui, Dorota H. Grzybowska, Paweł M. Petrykowski, Miguel Ángel García-March, Maciej Lewenstein, Gorka Muñoz-Gil, Alejandro Pozas-Kerstjens

It is widely known that Boltzmann machines are capable of representing arbitrary probability distributions over the values of their visible neurons, given enough hidden ones.

Retrieval

Privacy-preserving machine learning with tensor networks

1 code implementation24 Feb 2022 Alejandro Pozas-Kerstjens, Senaida Hernández-Santana, José Ramón Pareja Monturiol, Marco Castrillón López, Giannicola Scarpa, Carlos E. González-Guillén, David Pérez-García

Tensor networks, widely used for providing efficient representations of low-energy states of local quantum many-body systems, have been recently proposed as machine learning architectures which could present advantages with respect to traditional ones.

BIG-bench Machine Learning Privacy Preserving +1

Defence against adversarial attacks using classical and quantum-enhanced Boltzmann machines

no code implementations21 Dec 2020 Aidan Kehoe, Peter Wittek, Yanbo Xue, Alejandro Pozas-Kerstjens

We find improvements ranging from 5% to 72% against attacks with Boltzmann machines on the MNIST dataset.

Quantum Inflation: A General Approach to Quantum Causal Compatibility

no code implementations23 Sep 2019 Elie Wolfe, Alejandro Pozas-Kerstjens, Matan Grinberg, Denis Rosset, Antonio Acín, Miguel Navascues

Causality is a seminal concept in science: Any research discipline, from sociology and medicine to physics and chemistry, aims at understanding the causes that could explain the correlations observed among some measured variables.

Sociology

Bounding the sets of classical and quantum correlations in networks

1 code implementation18 Apr 2019 Alejandro Pozas-Kerstjens, Rafael Rabelo, Łukasz Rudnicki, Rafael Chaves, Daniel Cavalcanti, Miguel Navascues, Antonio Acín

We present a method that allows the study of classical and quantum correlations in networks with causally-independent parties, such as the scenario underlying entanglement swapping.

Quantum Physics

Bayesian Deep Learning on a Quantum Computer

2 code implementations29 Jun 2018 Zhikuan Zhao, Alejandro Pozas-Kerstjens, Patrick Rebentrost, Peter Wittek

Furthermore, we demonstrate the execution of the algorithm on contemporary quantum computers and analyze its robustness with respect to realistic noise models.

Gaussian Processes

A quantum Otto engine with finite heat baths: energy, correlations, and degradation

1 code implementation21 Aug 2017 Alejandro Pozas-Kerstjens, Eric G. Brown, Karen V. Hovhannisyan

We study a driven harmonic oscillator operating an Otto cycle between two thermal baths of finite size.

Quantum Physics Statistical Mechanics

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