Topological Feature Compression for Molecular Graph Neural Networks

• URL: http://arxiv.org/abs/2508.07807v2
• Date: Tue, 23 Sep 2025 15:58:50 GMT
• Title: Topological Feature Compression for Molecular Graph Neural Networks
• Authors: Rahul Khorana,
• Abstract summary: We introduce a novel Graph Neural Network (GNN) architecture that combines compressed higher-order topological signals with standard molecular features.<n>Our approach captures global geometric information while preserving computational tractability and human-interpretable structure.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent advances in molecular representation learning have produced highly effective encodings of molecules for numerous cheminformatics and bioinformatics tasks. However, extracting general chemical insight while balancing predictive accuracy, interpretability, and computational efficiency remains a major challenge. In this work, we introduce a novel Graph Neural Network (GNN) architecture that combines compressed higher-order topological signals with standard molecular features. Our approach captures global geometric information while preserving computational tractability and human-interpretable structure. We evaluate our model across a range of benchmarks, from small-molecule datasets to complex material datasets, and demonstrate superior performance using a parameter-efficient architecture. We achieve the best performing results in both accuracy and robustness across almost all benchmarks. We open source all code \footnote{All code and results can be found on Github https://github.com/rahulkhorana/TFC-PACT-Net}.

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