Zobrazeno 1 - 10
of 13 196
pro vyhledávání: '"Piana A."'
A solar active region can significantly disrupt the Sun Earth space environment, often leading to severe space weather events such as solar flares and coronal mass ejections. As a consequence, the automatic classification of active region groups is t
Externí odkaz:
http://arxiv.org/abs/2410.17816
In this paper, we propose a novel strategy for physical layer authentications based on the challenge-response concept for a transmitting drone (Alice). In a preliminary training phase, Alice moves over several positions, and Bob (either a drone or a
Externí odkaz:
http://arxiv.org/abs/2410.00785
The solar wind drag-based model is a widely used framework for predicting the propagation of Coronal Mass Ejections (CMEs) through interplanetary space. This model primarily considers the aerodynamic drag exerted by the solar wind on CMEs. However, f
Externí odkaz:
http://arxiv.org/abs/2409.03281
Autor:
Volpara, Anna, Lupoli, Alessandro, Filbir, Frank, Perracchione, Emma, Massone, Anna Maria, Piana, Michele
Imaging spectroscopy, i.e., the generation of spatially resolved count spectra and of cubes of count maps at different energies, is one of the main goals of solar hard X-ray missions based on Fourier imaging. For these telescopes, so far imaging spec
Externí odkaz:
http://arxiv.org/abs/2407.01175
Autor:
Parodi, Davide, Dighero, Edoardo, Biddau, Giorgia, D'Amico, Francesca, Bauckneht, Matteo, Marini, Cecilia, Garbarino, Sara, Campi, Cristina, Piana, Michele, Sambuceti, Gianmario
Purpose: Analysis of [18F]-Fluorodeoxyglucose (FDG) kinetics in cancer has been most often limited to the evaluation of the average uptake over relatively large volumes. Nevertheless, tumor lesion almost contains inflammatory infiltrates whose cells
Externí odkaz:
http://arxiv.org/abs/2406.00382
Autor:
La Piana, Francesca, Morsella, Gerardo
We provide an explicit expression for the modular hamiltonian of the von Neumann algebras associated to the unit double cone for the (fermionic) quantum field theories of the 2-component Weyl (helicity 1/2) field, and of the 4-component massless Dira
Externí odkaz:
http://arxiv.org/abs/2405.07888
Drones are expected to be used for many tasks in the future and require secure communication protocols. In this work, we propose a novel physical layer authentication (PLA)-based challenge-response (CR) protocol in which a drone Bob authenticates the
Externí odkaz:
http://arxiv.org/abs/2405.03608
In this work we study the co-evolution of central black holes (BHs) and host galaxies by utilizing an advanced iteration of the DELPHI semi-analytical model of galaxy formation and evolution. Based on dark matter halo merger trees spanning the redshi
Externí odkaz:
http://arxiv.org/abs/2403.15106
Autor:
Guastavino, Sabrina, Bahamazava, Katsiaryna, Perracchione, Emma, Camattari, Fabiana, Audone, Gianluca, Telloni, Daniele, Susino, Roberto, Nicolini, Gianalfredo, Fineschi, Silvano, Piana, Michele, Massone, Anna Maria
This study addresses the prediction of geomagnetic disturbances by exploiting machine learning techniques. Specifically, the Long-Short Term Memory recurrent neural network, which is particularly suited for application over long time series, is emplo
Externí odkaz:
http://arxiv.org/abs/2403.09847
Autor:
Camattari, Fabiana, Guastavino, Sabrina, Marchetti, Francesco, Piana, Michele, Perracchione, Emma
The purpose of this study is to introduce a new approach to feature ranking for classification tasks, called in what follows greedy feature selection. In statistical learning, feature selection is usually realized by means of methods that are indepen
Externí odkaz:
http://arxiv.org/abs/2403.05138