Quasi-orthogonal expansions for functions in BMO
Subject Areas : Applied Mathematics
Mojtaba Ghanbari
1
(Department of Mathematics, Farahan Branch, Islamic Azad University, Farahan, Iran)
Keywords: Haar wavelet, BMO space, Orthonormal system,
Abstract :
For {φ_n(x)}, x ε [0,1] an orthonormalsystem of uniformly bounded functions, ||φ_n||_{∞}≤ M