3 papers
cs.LG2026
When Does Forecasting Reveal Temporal Structure? A Stability Analysis of Time-Series Structural Selection
Qipeng Qian, Yuntao Qian
Forecast accuracy is often used as a proxy for temporal structure discovery, but predictive performance and structural identifiability are not equivalent. Different temporal mechan…
quant-ph2026
Information-Calibrated Quantum Diffusion: Aligning Forward Noise with Reverse Recoverability
Qipeng Qian, Yuntao Qian
Quantum diffusion models typically parameterize forward corruption by raw channel strength, even though this parameter does not directly quantify how much ensemble information is e…
cs.IT2026
Hulls and sums of separable constacyclic codes over and new quantum codes
Yu Qian, Yu Wang, Liqi Wang
We establish the generator polynomials of the Euclidean and Hermitian duals of separable constacyclic codes over , w…