Jiaqing Xie

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About Me

I am a first-year PhD student in the School of Computer Science at Fudan University. My research develops learning methods grounded in graph structure and spectral theory, with the goal of accelerating graph optimization and scientific discovery.

Research Interests

• AI-Accelerated Advanced Graph Optimization
• Spectral Graph Theory
• Graph Algorithms for Science with AI

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Publications

2026

• Jiaqing Xie, Yuxin Wang, Xipeng Qiu
  GSF-χ: Global Stereochemical Fields for Chiral Graph Transformers [arXiv]
  arXiv-26 Submitted, September 2026.
• Jiaqing Xie, Yuxin Wang
  Gauge-Invariant Learnable Spectral Positional Encodings for Directed Graphs via Hermitian Block Krylov Subspaces [arXiv]
  arXiv-26
• Florian Grötschla, Jiaqing Xie^*, Roger Wattenhofer
  Benchmarking Positional Encodings for GNNs and Graph Transformers [PDF] [Code]
  KDD-26 *Equal contribution

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© 2026 Jiaqing Xie