PostDeg: Placement Beats Parameterization in LayerNorm GNNs

In three linesPostDeg demonstrates that LayerNorm placement matters more than parameterization in GNNs. An inverse-degree scalar positioned post-LayerNorm preserves topology signals (degree, centrality) required by node-selection policies. Gains of +3.5% to +5.6% on influence maximization, network dismantling, and maximum independent set.

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