Bessel sequences and frames in Hilbert spaces

[135/84%]

Subtopics

Nonharmonic Fourier series and systems of exponentials[36/86%]
Riesz bases[26/58%]
Frame operator and dual frames[21/100%]
Gabor systems and frames[17/100%]
Shift-invariant spaces and systems of translates[14/100%]
Tight and Parseval frames[13/92%]
Characterizations and basic properties of Bessel sequences[11/91%]
Exact frames, redundancy and excess[10/100%]
Bari's theorem on quadratically close systems[7/43%]
Finite frames in finite-dimensional spaces[5/100%]
Naimark dilation theorem for frames[3/100%]
Stability and construction of the frame property[3/100%]
Perturbation of frames[2/100%]
Quasibases and completeness via the synthesis operator[2/100%]
Tensor products of Bessel sequences and frames[2/100%]