no code implementations • 8 Apr 2024 • Giuseppe Montalbano, Leonardo Banchi
We show that hybrid quantum classifiers based on quantum kernel methods and support vector machines are vulnerable against adversarial attacks, namely small engineered perturbations of the input data can deceive the classifier into predicting the wrong result.
no code implementations • 20 Dec 2023 • Leonardo Banchi
Many inference scenarios rely on extracting relevant information from known data in order to make future predictions.
no code implementations • 20 Sep 2023 • Leonardo Banchi, Jason Luke Pereira, Sharu Theresa Jose, Osvaldo Simeone
Recent years have seen significant activity on the problem of using data for the purpose of learning properties of quantum systems or of processing classical or quantum data via quantum computing.
no code implementations • 19 Jan 2023 • Ivana Nikoloska, Osvaldo Simeone, Leonardo Banchi, Petar Veličković
Adaptive gating plays a key role in temporal data processing via classical recurrent neural networks (RNN), as it facilitates retention of past information necessary to predict the future, providing a mechanism that preserves invariance to time warping transformations.
no code implementations • 9 Dec 2022 • Hari Hara Suthan Chittoor, Osvaldo Simeone, Leonardo Banchi, Stefano Pirandola
Simulating quantum channels is a fundamental primitive in quantum computing, since quantum channels define general (trace-preserving) quantum operations.
no code implementations • 17 Feb 2021 • Leonardo Banchi, Jason Pereira, Stefano Pirandola
Here we establish a link between quantum machine learning classification and quantum hypothesis testing (state and channel discrimination) and then show that the accuracy and generalization capability of quantum classifiers depend on the (R\'enyi) mutual informations $I(C{:}Q)$ and $I_2(X{:}Q)$ between the quantum state space $Q$ and the classical parameter space $X$ or class space $C$.
no code implementations • 21 Oct 2020 • Cillian Harney, Leonardo Banchi, Stefano Pirandola
Quantum Channel Discrimination (QCD) presents a fundamental task in quantum information theory, with critical applications in quantum reading, illumination, data-readout and more.
no code implementations • 7 Oct 2020 • Leonardo Banchi, Quntao Zhuang, Stefano Pirandola
Quantum hypothesis testing is one of the most fundamental problems in quantum information theory, with crucial implications in areas like quantum sensing, where it has been used to prove quantum advantage in a series of binary photonic protocols, e. g., for target detection or memory cell readout.
no code implementations • 13 Dec 2019 • Laura Gentini, Alessandro Cuccoli, Stefano Pirandola, Paola Verrucchi, Leonardo Banchi
Variational hybrid quantum-classical optimization represents one of the most promising avenue to show the advantage of nowadays noisy intermediate-scale quantum computers in solving hard problems, such as finding the minimum-energy state of a Hamiltonian or solving some machine-learning tasks.
5 code implementations • 19 Mar 2018 • Luca Innocenti, Leonardo Banchi, Alessandro Ferraro, Sougato Bose, Mauro Paternostro
We show how the same conditions can be used to solve the problem numerically, via supervised learning techniques.
Quantum Physics
no code implementations • 20 Jul 2016 • Leonardo Banchi, Nicola Pancotti, Sougato Bose
We show how to train a quantum network of pairwise interacting qubits such that its evolution implements a target quantum algorithm into a given network subset.