Author

Shanxiang Lyu

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Open access 2026

Lattice-Quantization Identity Watermarking for Deep Neural Network Ownership Protection

With the increasing trend of open-sourcing deep neural network (DNN) models, protecting model ownership has become a critical challenge, particularly in high-stakes domains such as medical AI. Existing backdoor-based watermarking methods suffer from two key limitations: visible trigger patterns and the lack of a reliab...

Ying Xu, Zhi-Ying Li, Shanxiang Lyu · IEEE Access · 0 citations

Preprint Aug 2026

Symplectic Barnes-Wall GKP Codes: Deterministic $O(N \log^2 N)$ Decoding and Logarithmic Rate Scaling

We construct an explicit symplectic realization of the Barnes-Wall lattice that yields a family of multimode Gottesman-Kitaev-Preskill (GKP) codes with encoding rate $R = \frac{1}{2}\log_2 N$ and a deterministic $O(N\log^2 N)$ bounded-distance decoder. The recursive generator $G_{m+1} = \bigl(\begin{smallmatrix} G_m&0...

Shanxiang Lyu · 0 citations