Graph Neural Networks, Cell Complex Nets, Cxns, Simplicial Complex, Editors Pick.
being updated/shuffled on the l-cells. In practice H is just a matrix and in the context of signal processing on simplicial/cell complexes [8,9,11,12], H is chosen to be the Laplacian matrix or one of its generalizations the Hodge Laplacian [8,9,11,12]. We can generalize the above equation and ask