Ole Christensen

Ole Christensen

Professor

DTU COMPUTE
Institut for Matematik og Computer Science

Danmarks Tekniske Universitet

Asmussens Allé

Bygning 303B, rum 161

2800 Kgs. Lyngby

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2019
 

Equiangular frames and generalizations of the Welch bound to dual pairs of frames

Christensen, Ole ; Datta, Somantika ; Kim, Rae Young
in: Linear and Multilinear Algebra, pages: 1-11

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1080/03081087.2019.1586825

2018
 

Frame properties of systems arising via iterated actions of operators

Christensen, Ole ; Hasannasabjaldehbakhani, Marzieh
in: Applied and Computational Harmonic Analysis, vol: 46, issue: 3, pages: 664-673

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1016/j.acha.2018.04.002

 

Frames, operator representations, and open problems

Christensen, Ole ; Hasannasab, Marzieh
part of: Operator Theory: Advances and Applications, pages: 155-165, 2018, Springer

Type: Book chapter (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1007/978-3-319-75996-8_8

 

Gabor Frames in ℓ2(Z) and Linear Dependence

Christensen, Ole ; Hasannasab, Marzieh
in: Journal of Fourier Analysis and Applications, vol: 25, issue: 1, pages: 101–107

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1007/s00041-017-9572-4

2017
 

B-Spline Approximations of the Gaussian, their Gabor Frame Properties, and Approximately Dual Frames

Christensen, Ole ; Kim, Hong Oh ; Kim, Rae Young
in: Journal of Fourier Analysis and Applications, pages: 1-22

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1007/s00041-017-9557-3

 

Characterisations of Partition of Unities Generated by Entire Functions in Cd

Christensen, Ole ; Kim, Hong Oh ; Kim, Rae Young
in: Bulletin of the Australian Mathematical Society, vol: 95, issue: 2, pages: 281-290

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1017/S0004972716001052

 

Dynamical sampling and frame representations with bounded operators

Christensen, Ole ; Hasannasab, Marzieh ; Rashidi, Ehsan
in: Journal of Mathematical Analysis and Applications, vol: 463, pages: 634-644

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.jmaa.2018.03.039

 

Fractional and complex pseudo-splines and the construction of Parseval frames

Massopust, Peter ; Forster, Brigitte ; Christensen, Ole
in: Applied Mathematics and Computation, vol: 314, pages: 12-24

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.amc.2017.06.023

  PDF

Generalized shift-invariant systems and approximately dual frames

Benavente, Ana ; Christensen, Ole ; Zakowicz, Maria I.
in: Annals of Functional Analysis, vol: 8, issue: 2, pages: 177-189

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1215/20088752-3784315

 

Operator representations of frames

Christensen, Ole ; Hasannasab, Marzieh
part of: Proceedings of 2017 international conference on sampling theory and applications, pages: 207-11, 2017, IEEE
Presented at:
2017 International Conference on Sampling Theory and Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1109/SAMPTA.2017.8024348