no code implementations • 13 Mar 2024 • Raffaele Marino, Lorenzo Buffoni, Bogdan Zavalnij
This manuscript provides a comprehensive review of the Maximum Clique Problem, a computational problem that involves finding subsets of vertices in a graph that are all pairwise adjacent to each other.
no code implementations • 22 Dec 2023 • Raffaele Marino, Lorenzo Buffoni, Lorenzo Chicchi, Lorenzo Giambagli, Duccio Fanelli
EODECA (Engineered Ordinary Differential Equations as Classification Algorithm) is a novel approach at the intersection of machine learning and dynamical systems theory, presenting a unique framework for classification tasks [1].
no code implementations • 12 Dec 2023 • Lorenzo Chicchi, Lorenzo Giambagli, Lorenzo Buffoni, Raffaele Marino, Duccio Fanelli
This paper presents a novel approach to advancing artificial intelligence (AI) through the development of the Complex Recurrent Spectral Network ($\mathbb{C}$-RSN), an innovative variant of the Recurrent Spectral Network (RSN) model.
no code implementations • 17 Nov 2023 • Raffaele Marino, Lorenzo Giambagli, Lorenzo Chicchi, Lorenzo Buffoni, Duccio Fanelli
Recognizing the deep parallels between dense neural networks and dynamical systems, particularly in the light of non-linearities and successive transformations, this manuscript introduces the Engineered Ordinary Differential Equations as Classification Algorithms (EODECAs).
1 code implementation • NeurIPS 2023 • Lorenzo Giambagli, Lorenzo Buffoni, Lorenzo Chicchi, Duccio Fanelli
In theoretical ML, the teacher-student paradigm is often employed as an effective metaphor for real-life tuition.
2 code implementations • 23 Sep 2022 • Mario Krenn, Lorenzo Buffoni, Bruno Coutinho, Sagi Eppel, Jacob Gates Foster, Andrew Gritsevskiy, Harlin Lee, Yichao Lu, Joao P. Moutinho, Nima Sanjabi, Rishi Sonthalia, Ngoc Mai Tran, Francisco Valente, Yangxinyu Xie, Rose Yu, Michael Kopp
For that, we use more than 100, 000 research papers and build up a knowledge network with more than 64, 000 concept nodes.
no code implementations • 9 Feb 2022 • Stefano Martina, Stefano Gherardini, Lorenzo Buffoni, Filippo Caruso
In this paper we present the high-level functionalities of a quantum-classical machine learning software, whose purpose is to learn the main features (the fingerprint) of quantum noise sources affecting a quantum device, as a quantum computer.
no code implementations • 9 Feb 2022 • Lorenzo Chicchi, Duccio Fanelli, Lorenzo Giambagli, Lorenzo Buffoni, Timoteo Carletti
A novel strategy to automated classification is introduced which exploits a fully trained dynamical system to steer items belonging to different categories toward distinct asymptotic attractors.
1 code implementation • 18 Jan 2022 • Joao P. Moutinho, Bruno Coutinho, Lorenzo Buffoni
We report on a model built to predict links in a complex network of scientific concepts, in the context of the Science4Cast 2021 competition.
1 code implementation • 23 Sep 2021 • Stefano Martina, Lorenzo Buffoni, Stefano Gherardini, Filippo Caruso
Noise sources unavoidably affect any quantum technological device.
no code implementations • 22 Aug 2021 • Lorenzo Buffoni, Filippo Caruso
Here we will give a perspective on new possible interplays between Machine Learning and Quantum Physics, including also practical cases and applications.
no code implementations • 17 Jun 2021 • Lorenzo Chicchi, Lorenzo Giambagli, Lorenzo Buffoni, Timoteo Carletti, Marco Ciavarella, Duccio Fanelli
Deep neural networks can be trained in reciprocal space, by acting on the eigenvalues and eigenvectors of suitable transfer operators in direct space.
no code implementations • 16 Feb 2021 • Lorenzo Chicchi, Lorenzo Giambagli, Lorenzo Buffoni, Duccio Fanelli
The rapid spreading of SARS-CoV-2 and its dramatic consequences, are forcing policymakers to take strict measures in order to keep the population safe.
Disordered Systems and Neural Networks
1 code implementation • 2 Nov 2020 • Michele Campisi, Lorenzo Buffoni
For a system described by a multivariate probability density function obeying the fluctuation theorem, the average dissipation is lower-bounded by the degree of asymmetry of the marginal distributions (namely the relative entropy between the marginal and its mirror image).
Statistical Mechanics
1 code implementation • 29 May 2020 • Lorenzo Giambagli, Lorenzo Buffoni, Timoteo Carletti, Walter Nocentini, Duccio Fanelli
Interestingly, spectral learning limited to the eigenvalues returns a distribution of the predicted weights which is close to that obtained when training the neural network in direct space, with no restrictions on the parameters to be tuned.
1 code implementation • 4 Mar 2020 • Lorenzo Buffoni, Michele Campisi
The D-wave processor is a partially controllable open quantum system which exchanges energy with its surrounding environment (in the form of heat) and with the external time dependent control fields (in the form of work).
Quantum Physics Statistical Mechanics
no code implementations • 4 Dec 2019 • Walter Vinci, Lorenzo Buffoni, Hossein Sadeghi, Amir Khoshaman, Evgeny Andriyash, Mohammad H. Amin
The hybrid structure of QVAE allows us to deploy current-generation quantum annealers in QCH generative models to achieve competitive performance on datasets such as MNIST.
no code implementations • 26 Aug 2019 • Hossein Sadeghi, Evgeny Andriyash, Walter Vinci, Lorenzo Buffoni, Mohammad H. Amin
Here we introduce PixelVAE++, a VAE with three types of latent variables and a PixelCNN++ for the decoder.
Ranked #22 on Image Generation on CIFAR-10 (bits/dimension metric)