Before revision:  Then  we propose the use of the Laplacian eigenvectors as such vector field , and we show that the method generalizes CNNs on an n-dimensional grid , and is provably more discriminative than standard GNNs regarding the Weisfeiler-Lehman 1-WL test.
After revision:  Then we propose the use of the Laplacian eigenvectors as such vector field , and we show that the method generalizes CNNs on an n-dimensional grid and is provably more discriminative than standard GNNs regarding the Weisfeiler-Lehman 1-WL test.