Topology-aware Neural Flux Prediction Guided by Physics

• URL: http://arxiv.org/abs/2506.05676v1
• Date: Fri, 06 Jun 2025 02:01:50 GMT
• Title: Topology-aware Neural Flux Prediction Guided by Physics
• Authors: Haoyang Jiang, Jindong Wang, Xingquan Zhu, Yi He,
• Abstract summary: Graph Neural Networks (GNNs) often struggle in preserving high-frequency components of nodal signals when dealing with directed graphs.<n>This paper proposes a novel framework that combines 1) explicit difference matrices that model directional gradients and 2) implicit physical constraints that enforce messages passing within GNNs to be consistent with natural laws.
• Score: 13.352980442733987
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Graph Neural Networks (GNNs) often struggle in preserving high-frequency components of nodal signals when dealing with directed graphs. Such components are crucial for modeling flow dynamics, without which a traditional GNN tends to treat a graph with forward and reverse topologies equal.To make GNNs sensitive to those high-frequency components thereby being capable to capture detailed topological differences, this paper proposes a novel framework that combines 1) explicit difference matrices that model directional gradients and 2) implicit physical constraints that enforce messages passing within GNNs to be consistent with natural laws. Evaluations on two real-world directed graph data, namely, water flux network and urban traffic flow network, demonstrate the effectiveness of our proposal.

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