A Unifying Relational Perspective on Expressive Lottery Tickets
arXiv:2608.18819v1 Announce Type: cross Abstract: Graph neural networks (GNNs) are widely used, but how parameter sparsity affects the expressivity of relational (RGNNs) and temporal (TGNNs) variants is poorly understood. The Strong Expressive Lottery Ticket Hypothesis (SELTH) posits the existence…