News
My student Kamilla Haahr Nielsen successfully defended her PhD thesis Constructing dual windows for Gabor frames on November 8, 2019. Prof. Morten Nielsen, Kim Knudsen and Jose Luis Romero acted as members of the PhD committee.
- Gabor windows supported on [−1,1] and construction of compactly supported dual windows with optimal smoothness localization (with Kamilla H. Nielsen) has been accepted for publication in Journal of Approximation Theory.
- I will give a colloquium talk at the Department of Mathematics at
Katholische Universität Eichstätt-Ingolstadt, Nov 20, 2019.
- My student Kamilla Nielsen will give a talk on joint work: On the smoothness of dual windows for Gabor windows supported on [−1, 1] at SAMPTA-conference, July 8-12, 2019, Université de Bordeaux, France.
- I am new Head of Studies of Mathematics and Technology (Bachelor of Science in Engineering).
- Criteria for generalized translation-invariant frames (with Jordy van Velthoven) has appeared online in Studia Mathematica.
- I will be a plenary speaker at Workshop on Mathematical Signal and Image Analysis, April 1-3, 2019, in Raitenhaslach, Germany
- System bandwidth and the existence of generalized shift-invariant frames (with Hartmut Führ) has been published in Journal of Functional Analysis.
- I will give an invited talk in the minisymposium Infinite Dimension Systems and Wavelets at the International Workshop on Operator Theory and Applications (IWOTA) 2018 which will take place at East China Normal University in Shanghai
- On Wilson bases in L^2(\mathbb{R}^d) (with Marcin Bownik, Mads S. Jakobsen, and Kasso Okoudjou) has been accepted for publication in SIAM Journal on Mathematical Analysis (SIMA). DOI link to journal version
- New preprint Gabor windows supported on [−1,1] and construction of compactly supported dual windows with optimal smoothness localization (with Kamilla H. Nielsen).
- I will give an invited talk at the 7th International Conference on Computational Harmonic Analysis (ICCHA7) at Vanderbilt University in Nashville, TN from May 14-18, 2018.
- I will give a talk at the workshop on Mathematical Challenges of Structured Function Systems held at the ESI in Vienna March 19 to 23, 2018.
- New preprint Criteria for generalized translation-invariant frames (with Jordy van Velthoven).
- I will give an invited talk in the Special Session on Time-Frequency analysis at the 12th International conference on Sampling Theory and Applications, July 3 – 7, 2017, Tallinn, Estonia.
- Eplicit constructions and properties of generalized shift-invariant systems in L^2(\mathbb{R}) (with Ole Christensen and Marzieh Hasannasab) has been accepted for publication in Advances in Computational Mathmatics. DOI link to journal version
- Wavelets for non-expanding dilations and the lattice counting estimate (with Marcin Bownik) has been accepted for publication in International Mathematics Research Notices. DOI link to journal version
- I will give an invited talk in the session on Approximation Theory in Imaging Sciences at the 4th Dolomite Workshop on Constructive Appproximation and Applications taking place in Alba di Canazei (Italy), September 8-13, 2016.
- On June 1, 2016, I will be promoted to associate professor at The Deparment of Applied Mathematics and Computer Science at DTU.
- On some Hermite series identities and their applications to Gabor analysis has been published online in Monatshefte für Mathematik. DOI: 10.1007/s00605-016-0930-0
- Counterexamples to the B-spline conjecture for Gabor frames (with Kamilla Haahr Nielsen) has been published online in the Journal of Fourier Analysis and Applications. DOI: 10.1007/s00041-016-9462-1.
- I will give an invited talk in the minisymposium Applied Harmonic Analysis, Frame Theory and Operator Theory at the International Workshop on Operator Theory and Applications (IWOTA) 2016 which will take place at Washington University in St. Louis, July 18-22, 2016.
- New preprint on On some Hermite series identities and their applications to Gabor analysis
- Density and duality theorems for regular Gabor frames (with Mads S. Jakobsen) has been published in Journal of Functional Analysis 270 (2016) 229-263.
- New preprint on Wavelets for non-expanding dilations and the lattice counting estimate (with Marcin Bownik).
- The HATA group has a new homepage: hata.compute.dtu.dk
- Co-compact Gabor systems on locally compact abelian groups (with Mads S. Jakobsen) has been published in Journal of Fourier Analysis and Applications 22 (2016), 36-70.
- Reproducing formulas for generalized translation invariant systems on locally compact abelian groups (with Mads S. Jakobsen) has been published online in the Transactions of the AMS. DOI: 10.1090/tran/6594.
- Ole Christensen and I have received a grant of DKK 2.5 million from the Dansih Council for Independent Research.
- I am organizing a minisymposium on Applied and Computational Harmonic Analysis at the 2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV) together with Gitta Kutyniok.
- I will give an invited talk at the Mathematical and Statistical Analysis of Spatial Data workshop in Aalborg, June 1-3, 2015
- I will give a talk at SampTA2015, the 11th International Conference on Sampling Theory and Applications, May 25-29, 2015, American University, Washington D.C.
- New preprint on Co-compact Gabor systems on locally compact abelian groups (with Mads S. Jakobsen)
- Reproducing formulas for generalized translation invariant systems on locally compact abelian groups (with Mads S. Jakobsen) has been accepted for publication in the Transactions of the AMS.
- Hartmut Führ and Franz Luef will visit our group, Nov. 23-26, 2014.
- I will take part of the ICERM Research Cluster -- Computational Challenges in Sparse and Redundant Representations at Brown University, Nov. 3--15, 2014.
- I was nominated as Lecturer of the year 2014 at DTU.
- I will give a talk at Strobl14 Modern Time-Frequency Analysis in Strobl, Austria on June 6, 2014.
- New preprint on Reproducing formulas for generalized translation invariant systems on locally compact abelian groups (with Mads S. Jakobsen)
- I will give an invited talk at the 5th International Conference on Computational Harmonic Analysis at Vanderbilt University on May 24, 2014.
- I will visit Marcin Bownik at University of Oregon from April 30 to May 18, 2014. On May 6 I will give a talk in the analysis seminar.
- I will visit Kasso A. Okoudjou at the University of Maryland from March 24 to April 9, 2014. On March 25 I will give a talk in the Norbert Wiener Center seminar series.
- I will give a talk in the section of Scientific Computing at DTU Compute on March 17, 2014.
- I will give an invited talk at the 85th Annual Meeting of GAMM at the University of Erlangen on March 10, 2014.
- I have received two grants from Carlbergsfondet and G.A. Hagemanns fond for two research stays at the University of Oregon and the University of Maryland during the spring of 2014.
- I will visit Jürgen Frikel Dec. 9-12 and give a talk at the HelmholtzZentrum München on Dec 11, 2013.
- I am organizing a mini workshop on Applied Harmonic Analysis and Tomography together with Kim Knudsen, August 20, 2013, at DTU. The list of speakers is: Morten Nielsen, Jürgen Frikel, Jan Hesthavn, and Ole Christensen.
- Sparse Matrices in Frame Theory (with Felix Krahmer and Gitta Kutyniok) has been accepted for publication in Computational Statistics.
- I will give a talk at SampTA2013, the 10th International Conference on Sampling Theory and Applications, July 1-5, 2013, Jacobs University Bremen.
- I will give a talk in the Functional Analysis group at TU Berlin on June 20.
- Prime Tight Frames (with Kasso A. Okoudjou) has been accepted for publication in Advances in Computational Mathematics.
- Emily King (TU Berlin) is visiting May 13-19, 2013.
- Mads Sielemann Jakobsen was awarded a Ph.D. stipend at DTU Compute. He will start October 2013 with Ole Christensen and I as supervisors.
- I am organizing a mini-symposium at the 14th International Conference Approximation Theory on Anisotropic Function Spaces and Approximations, April 7-10, 2013, San Antonio, Texas.
- As part of the merger of DTU Mathematics and DTU Informatics, I have moved to office 159, still in building 303.
- Sparsity and spectral properties of dual frames (with Felix Krahmer and Gitta Kutyniok) has been accepted for publication in Linear Algebra and its Applications.
- New preprint on Sparse Matrices in Frame Theory (with Felix Krahmer and Gitta Kutyniok).
- I will give a colloquium talk at Uni. Göttingen on Affine frames, Quasi-affine frames, and Oversampling, November 13, 2012.
- I will give a talk at the MATHEON-Workshop on Sparse Representation of Functions: Analytic and Computational Aspects, TU Berlin, Germany, December 10-14, 2012.
- From August 1, 2012, I will serve as an assistant professor at DTU Mathematics.
- Compactly supported shearlet frames and optimally sparse approximations of functions in L^2(R^3) with piecewise C^\alpha singularities (with Wang-Q Lim and Gitta Kutyniok) will appear in SIAM Journal on Mathematical Analysis.
- I was nominated as Lecturer of the year 2012 at DTU.
- New preprint on Sparsity and spectral properties of dual frames (with Felix Krahmer and Gitta Kutyniok)
- I will give a talk at Technical University of Denmark on April 11, 2012, 2 p.m. (DTU Mathematics Colloquium)
- New preprint on Prime Tight Frames (with Kasso A. Okoudjou)
- Rafael Reisenhofer will present his bachelor project Localizing filamentary structures in 2D point clouds the Interdisciplinary College (IK). See the poster here.
- I completed my 5th Vasaloppet (Swedish cross-country skiing race) on Feb. 27 in 6 hours and 50 minutes.
- I will give a talk at Uni. Missouri on Jan. 29, 2012, 9 a.m., Math Sci. 111 (Frame seminar)
- I will give a talk at Uni. Missouri on Jan. 24, 2012, 2 p.m., Math Sci. 111 (Analysis seminar)
- Research visit at Uni. Missouri (Prof. Casazza), Jan. 5-24, 2012.
- I will give a talk at TU Berlin on December 13, 2011, 4 p.m. (Kolloquium).
- I will give a talk at TU Berlin on December 15, 2011, 10 a.m. (Oberseminar).
- Research visit at TU Berlin (Prof. Kutyniok), Dec. 12-16, 2011.
HATA group homepage
Contact information
DTU Compute
Building 303 B
Office 159
Email: jakle(a)dtu.dk
Phone: +45 45253065
Mobile: +45 61776051
Phone (sect.): +45 45253031
Fax: +45 45881399
Research IDs:
ORCID: 0000-0002-9338-7755
DTU CWIS: 21544
ResearcherID: B-7387-2008