2 papers
math.FA2023
A structural characterization of Compactly Supported OEP-based balanced dual multiframelets
Ran Lu
Compared to scalar framelets, multiframelets have certain advantages, such as relatively smaller supports on generators, high vanishing moments, etc. The balancing property of mult…
math.CA2021
Generalized Matrix Spectral Factorization with Symmetry and Applications to Symmetric Quasi-Tight Framelets
Chenzhe Diao, Bin Han, Ran Lu
Factorization of matrices of Laurent polynomials plays an important role in mathematics and engineering such as wavelet frame construction and filter bank design. Wavelet frames (a…