Jiaqing Xie

Incoming PhD student in Computer Science at Fudan University.

I work on graph and flow models, in theory and in practice.

Email

Papers

1. Eigenbasis-Independent Learnable Spectral Positional Encodings for Directed Graphs via Hermitian Block Krylov Subspaces [arXiv] Jiaqing Xie and Yuxin Wang. 2026.
2. Benchmarking Positional Encodings for GNNs and Graph Transformers [arXiv] [code] Florian Grotschla^*, Jiaqing Xie^*, and Roger Wattenhofer. KDD 2026.

^* Equal contribution.