2 papers
math.GM2026
Graph Fractional Fourier Transform: A Unified and Efficient Sampling Theory
Yu Zhang, Jia-Yin Peng, Bing-Zhao Li
The graph Fourier transform (GFT) is a fundamental tool in graph signal processing and has recently been extended to the graph fractional Fourier transform (GFRFT). Existing sampli…
math.GM2025
The 2p order Heisenberg-Pauli-Weyl uncertainty principles related to the offset linear canonical transform
Jia-Yin Peng, Bing-Zhao Li
The uncertainty principle is one of the fundamental tools for time-frequency analysis in signal processing, revealing the intrinsic trade-off between time and frequency resolutions…