Point clouds are lifted to Anti-de Sitter space and message passing uses the AdS proper distance, producing a network approximately equivariant under the full conformal group.
2d-shape analysis using conformal mapping,
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AdS-GNN -- a Conformally Equivariant Graph Neural Network
Point clouds are lifted to Anti-de Sitter space and message passing uses the AdS proper distance, producing a network approximately equivariant under the full conformal group.