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Chin. Phys. B, 2026, Vol. 35(6): 060204    DOI: 10.1088/1674-1056/ae3069
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Traffic flow prediction based on frequency-domain dynamic graph and Mamba

Yifei Zhang(张逸飞)1 and Jialin He(何嘉林)1,2,3,†
1 School of Computer Science, China West Normal University, Nanchong 637009, China;
2 Artificial Intelligence Key Laboratory of Nanchong, China West Normal University, Nanchong 637009, China;
3 The Internet of Things Perception and Big Data Analysis Key Laboratory of Nanchong City, Nanchong 637009, China
Abstract  With the rapid advancement of intelligent transportation systems (ITS), urban traffic prediction faces significant challenges in effectively modeling complex spatio-temporal dynamics while maintaining computational efficiency. Existing approaches are often limited by static graph structures and the high computational cost of self-attention mechanisms when processing long sequences. To overcome these limitations, this paper proposes a novel framework, termed spatio-temporal frequency-domain mamba network (STFD-MambaNet). Specifically, the framework integrates a frequency-domain dynamic graph learner to capture evolving traffic topologies and employs the Mamba structured state space model to efficiently extract long-range temporal dependencies with linear complexity. Furthermore, a hierarchical spatial modeling module is developed to characterize multi-scale spatial correlations. Experiments conducted on four real-world datasets demonstrate that STFD-MambaNet consistently outperforms state-of-the-art methods in both accuracy and efficiency. The results further demonstrate the effective complementarity between frequency-domain dynamic graph learning and structured state space modeling, providing a robust solution for spatio-temporal traffic forecasting.
Keywords:  traffic flow forecasting      frequency-domain graph learning      Mamba      graph convolutional network(GCN)  
Received:  08 October 2025      Revised:  21 December 2025      Accepted manuscript online:  23 December 2025
PACS:  02.10.Ox (Combinatorics; graph theory)  
  45.70.Vn (Granular models of complex systems; traffic flow)  
  06.30.Ft (Time and frequency)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 62176217), the Program from the Sichuan Provincial Science and Technology, China (Grant No. 2018RZ0081), and the Fundamental Research Funds of China West Normal University (Grant No. 17E063).
Corresponding Authors:  Jialin He     E-mail:  hejialin32@126.com

Cite this article: 

Yifei Zhang(张逸飞) and Jialin He(何嘉林) Traffic flow prediction based on frequency-domain dynamic graph and Mamba 2026 Chin. Phys. B 35 060204

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