| An introduction to frames and Riesz bases O Christensen Birkhäuser, 2003 | 3863 | 2003 |
| Frames and bases: An introductory course O Christensen Springer Science & Business Media, 2008 | 603 | 2008 |
| Perturbation of operators and applications to frame theory PG Cazassa, O Christensen Journal of Fourier Analysis and Applications 3 (5), 543-557, 1997 | 319 | 1997 |
| Perturbations of Banach frames and atomic decompositions O Christensen, C Heil Mathematische Nachrichten 185 (1), 33-47, 1997 | 246 | 1997 |
| Frames, Riesz bases, and discrete Gabor/wavelet expansions O Christensen Bulletin of the American Mathematical Society 38 (3), 273-291, 2001 | 227 | 2001 |
| Oblique dual frames and shift-invariant spaces O Christensen, YC Eldar Applied and Computational Harmonic Analysis 17 (1), 48-68, 2004 | 224 | 2004 |
| Density of Gabor frames O Christensen, B Deng, C Heil Applied and Computational Harmonic Analysis 7 (3), 292-304, 1999 | 200 | 1999 |
| p-Frames in Separable Banach Spaces O Christensen, DT Stoeva Advances in Computational Mathematics 18, 117-126, 2003 | 189 | 2003 |
| Frame expansions in separable Banach spaces P Casazza, O Christensen, DT Stoeva Journal of mathematical analysis and applications 307 (2), 710-723, 2005 | 174 | 2005 |
| A Paley-Wiener theorem for frames O Christensen Proceedings of the American Mathematical Society 123 (7), 2199-2201, 1995 | 165 | 1995 |
| Weyl-Heisenberg frames for subspaces of 𝐿² (𝑅) P Casazza, O Christensen Proceedings of the American Mathematical Society 129 (1), 145-154, 2001 | 146 | 2001 |
| Frames and pseudo-inverses O Christensen Journal of mathematical analysis and applications 195 (2), 401-414, 1995 | 146 | 1995 |
| Frame perturbations O Christensen Proceedings of the American Mathematical Society 123 (4), 1217-1220, 1995 | 132 | 1995 |
| Frames and the Feichtinger conjecture P Casazza, O Christensen, A Lindner, R Vershynin Proceedings of the American Mathematical Society 133 (4), 1025-1033, 2005 | 123 | 2005 |
| Approximation theory: from Taylor polynomials to wavelets O Christensen, KL Christensen Springer Science & Business Media, 2004 | 122 | 2004 |
| Approximately dual frame pairs in Hilbert spaces and applications to Gabor frames O Christensen, RS Laugesen arXiv preprint arXiv:0811.3588, 2008 | 115 | 2008 |
| Functions, spaces, and expansions: mathematical tools in physics and engineering O Christensen Birkhäuser, 2010 | 100 | 2010 |
| Frames containing a Riesz basis and preservation of this property under perturbations PG Casazza, O Christensen SIAM Journal on Mathematical Analysis 29 (1), 266-278, 1998 | 91 | 1998 |
| Frames containing a Riesz basis and approximation of the frame coefficients using finite-dimensional methods O Christensen Journal of mathematical analysis and applications 199 (1), 256-270, 1996 | 86 | 1996 |
| Frames of translates PG Casazza, O Christensen, NJ Kalton arXiv preprint math/9811144, 1998 | 83 | 1998 |
