The wavelet type systems
Banach Center Publications 72 (2006), 397-406 MSC: Primary 42C15, 46B15; Secondary 41A15, 42C40. DOI: 10.4064/bc72-0-26
We consider biorthogonal systems of functions on the interval $[0,1]$ or $\mathbb T$ which have the same dyadic scaled estimates as wavelets. We present properties and examples of these systems.