Forecasting Solar Flares with a New Topological Parameter and a Supervised Machine-learning Method

Luca Giovannelli1, Francesco Berrilli1, Dario Del Moro1, Domenico Cicogna2, Daniele Calchetti3, Feredico Benvenuto4, Cristina Campi4, Sabrina Guastavino4 and Michele Piana4, (1)University of Rome Tor Vergata, Physics, Rome, Italy, (2)NEXT Ingegneria dei Sistemi S.p.A, Rome, Italy, (3)Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, (4)University of Genoa, Department of Mathematics, Genoa, Italy