Partitioning equivariant GNN weights by crystal point-group irreps shows that trivial (A1) blocks carry most predictive signal, letting a lean A1-only model match or beat SO(3)-equivariant baselines on elastic and dielectric tensors.
Machine learning in materials genome initiative: A review
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Point Group Equivariant Graph Neural Networks for Materials
Partitioning equivariant GNN weights by crystal point-group irreps shows that trivial (A1) blocks carry most predictive signal, letting a lean A1-only model match or beat SO(3)-equivariant baselines on elastic and dielectric tensors.