Revisiting Over-smoothing and Over-squashing Using Ollivier-Ricci Curvature

1 code implementation • 28 Nov 2022 • Khang Nguyen, Hieu Nong, Vinh Nguyen, Nhat Ho, Stanley Osher, Tan Nguyen

Graph Neural Networks (GNNs) had been demonstrated to be inherently susceptible to the problems of over-smoothing and over-squashing.