Search Results for author: Roman Orus

Found 23 papers, 1 papers with code

Tensor network compressibility of convolutional models

no code implementations21 Mar 2024 Sukhbinder Singh, Saeed S. Jahromi, Roman Orus

We explore this by assessing how truncating the convolution kernels of dense (untensorized) CNNs impact their accuracy.

Image Classification

CompactifAI: Extreme Compression of Large Language Models using Quantum-Inspired Tensor Networks

no code implementations25 Jan 2024 Andrei Tomut, Saeed S. Jahromi, Sukhbinder Singh, Faysal Ishtiaq, Cesar Muñoz, Prabdeep Singh Bajaj, Ali Elborady, Gianni Del Bimbo, Mehrazin Alizadeh, David Montero, Pablo Martin-Ramiro, Muhammad Ibrahim, Oussama Tahiri Alaoui, John Malcolm, Samuel Mugel, Roman Orus

Large Language Models (LLMs) such as ChatGPT and LlaMA are advancing rapidly in generative Artificial Intelligence (AI), but their immense size poses significant challenges, such as huge training and inference costs, substantial energy demands, and limitations for on-site deployment.

Model Compression Quantization +1

Boosting Defect Detection in Manufacturing using Tensor Convolutional Neural Networks

no code implementations29 Dec 2023 Pablo Martin-Ramiro, Unai Sainz de la Maza, Sukhbinder Singh, Roman Orus, Samuel Mugel

Defect detection is one of the most important yet challenging tasks in the quality control stage in the manufacturing sector.

Defect Detection

Tensor Networks for Explainable Machine Learning in Cybersecurity

no code implementations29 Dec 2023 Borja Aizpurua, Samuel Palmer, Roman Orus

In this paper we show how tensor networks help in developing explainability of machine learning algorithms.

Clustering Tensor Networks

Hacking Cryptographic Protocols with Advanced Variational Quantum Attacks

no code implementations6 Nov 2023 Borja Aizpurua, Pablo Bermejo, Josu Etxezarreta Martinez, Roman Orus

Our work also shows improvements in attack success rates for lightweight ciphers such as S-DES and S-AES.

Efficient tensor network simulation of IBM's largest quantum processors

no code implementations27 Sep 2023 Siddhartha Patra, Saeed S. Jahromi, Sukhbinder Singh, Roman Orus

Apart from simulating the original experiment for 127 qubits, we also extend our results to 433 and 1121 qubits, and for evolution times around 8 times longer, thus setting a benchmark for the newest IBM quantum machines.

Tensor Networks

Application of Tensor Neural Networks to Pricing Bermudan Swaptions

no code implementations18 Apr 2023 Raj G. Patel, Tomas Dominguez, Mohammad Dib, Samuel Palmer, Andrea Cadarso, Fernando De Lope Contreras, Abdelkader Ratnani, Francisco Gomez Casanova, Senaida Hernández-Santana, Álvaro Díaz-Fernández, Eva Andrés, Jorge Luis-Hita, Escolástico Sánchez-Martínez, Samuel Mugel, Roman Orus

The Cheyette model is a quasi-Gaussian volatility interest rate model widely used to price interest rate derivatives such as European and Bermudan Swaptions for which Monte Carlo simulation has become the industry standard.

Improving Gradient Methods via Coordinate Transformations: Applications to Quantum Machine Learning

no code implementations13 Apr 2023 Pablo Bermejo, Borja Aizpurua, Roman Orus

In this paper we introduce a generic strategy to accelerate and improve the overall performance of such methods, allowing to alleviate the effect of barren plateaus and local minima.

Quantum Machine Learning

Quantum artificial vision for defect detection in manufacturing

no code implementations9 Aug 2022 Daniel Guijo, Victor Onofre, Gianni Del Bimbo, Samuel Mugel, Daniel Estepa, Xabier De Carlos, Ana Adell, Aizea Lojo, Josu Bilbao, Roman Orus

In this paper we consider several algorithms for quantum computer vision using Noisy Intermediate-Scale Quantum (NISQ) devices, and benchmark them for a real problem against their classical counterparts.

Defect Detection Dimensionality Reduction

Quantum-Inspired Tensor Neural Networks for Partial Differential Equations

no code implementations3 Aug 2022 Raj Patel, Chia-Wei Hsing, Serkan Sahin, Saeed S. Jahromi, Samuel Palmer, Shivam Sharma, Christophe Michel, Vincent Porte, Mustafa Abid, Stephane Aubert, Pierre Castellani, Chi-Guhn Lee, Samuel Mugel, Roman Orus

We demonstrate that TNN provide significant parameter savings while attaining the same accuracy as compared to the classical Dense Neural Network (DNN).

Variational Quantum and Quantum-Inspired Clustering

no code implementations20 Jun 2022 Pablo Bermejo, Roman Orus

Here we present a quantum algorithm for clustering data based on a variational quantum circuit.

Clustering

Quantum Portfolio Optimization with Investment Bands and Target Volatility

no code implementations12 Jun 2021 Samuel Palmer, Serkan Sahin, Rodrigo Hernandez, Samuel Mugel, Roman Orus

In this paper we show how to implement in a simple way some complex real-life constraints on the portfolio optimization problem, so that it becomes amenable to quantum optimization algorithms.

Portfolio Optimization

Use Cases of Quantum Optimization for Finance

no code implementations3 Oct 2020 Samuel Mugel, Enrique Lizaso, Roman Orus

In this paper we briefly review two recent use-cases of quantum optimization algorithms applied to hard problems in finance and economy.

Portfolio Optimization Tensor Networks

Forecasting Election Polls with Spin Systems

no code implementations9 Jul 2020 Ruben Ibarrondo, Mikel Sanz, Roman Orus

We show that the problem of political forecasting, i. e, predicting the result of elections and referendums, can be mapped to finding the ground state configuration of a classical spin system.

Combinatorial Optimization Sentiment Analysis Physics and Society Statistical Mechanics Quantum Physics

Benchmarking global $SU(2)$ symmetry in 2d tensor network algorithms

no code implementations6 May 2020 Philipp Schmoll, Roman Orus

We implement and benchmark tensor network algorithms with $SU(2)$ symmetry for systems in two spatial dimensions and in the thermodynamic limit.

Strongly Correlated Electrons

A programming guide for tensor networks with global $SU(2)$ symmetry

no code implementations21 Sep 2018 Philipp Schmoll, Sukhbinder Singh, Matteo Rizzi, Roman Orus

This paper is a manual with tips and tricks for programming tensor network algorithms with global $SU(2)$ symmetry.

Strongly Correlated Electrons Quantum Physics

Mathematical foundations of matrix syntax

no code implementations1 Oct 2017 Roman Orus, Roger Martin, Juan Uriagereka

Matrix syntax is a formal model of syntactic relations in language.

Language Design as Information Renormalization

no code implementations4 Aug 2017 Angel J. Gallego, Roman Orus

Moreover, we show how to obtain such language models from quantum states that can be efficiently prepared on a quantum computer, and use this to find bounds on the perplexity of the probability distribution of words in a sentence.

Sentence Tensor Networks

The iPEPS algorithm, improved: fast full update and gauge fixing

1 code implementation18 Mar 2015 Ho N. Phien, Johann A. Bengua, Hoang D. Tuan, Philippe Corboz, Roman Orus

The infinite Projected Entangled Pair States (iPEPS) algorithm [J. Jordan et al, PRL 101, 250602 (2008)] has become a useful tool in the calculation of ground state properties of 2d quantum lattice systems in the thermodynamic limit.

Strongly Correlated Electrons High Energy Physics - Lattice Quantum Physics

Advances on Tensor Network Theory: Symmetries, Fermions, Entanglement, and Holography

no code implementations24 Jul 2014 Roman Orus

This is a short review on selected theory developments on Tensor Network (TN) states for strongly correlated systems.

Strongly Correlated Electrons High Energy Physics - Lattice High Energy Physics - Theory Quantum Physics

A Practical Introduction to Tensor Networks: Matrix Product States and Projected Entangled Pair States

no code implementations10 Jun 2013 Roman Orus

This is a partly non-technical introduction to selected topics on tensor network methods, based on several lectures and introductory seminars given on the subject.

Strongly Correlated Electrons High Energy Physics - Lattice High Energy Physics - Theory Quantum Physics

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