Franz Luef
About
Franz Luef is a Professor at the Department of Mathematical Sciences since 2020 and was an Associate Professor 2014 - 2019 after postdoctoral positions at the University of Vienna and the University of California at Berkeley. He is a member of the Analysis Group. Franz Luef has a PhD both from the University of Vienna.
His research interests are in quantum harmonic analysis, machine learning, noncommutative geometry, time-frequency analysis and pseudodifferential operators, uncertainty principles.
Competencies
Publications
2025
-
Enstad, Ulrik Bo Rufus;
Luef, Franz.
(2025)
Bessel duality of Gabor systems: A von Neumann algebraic perspective.
Expositiones mathematicae
Academic article
-
Dias, Nuno Costa;
Luef, Franz;
Prata, João Nuno.
(2025)
On Wigdersons' approach to the uncertainty principle.
Journal des Mathématiques Pures et Appliquées
Academic article
-
Luef, Franz;
Samuelsen, Helge Jørgen.
(2025)
Fourier Restriction for Schatten Class Operators and Functions on Phase Space.
International Mathematics Research Notices (IMRN)
Academic article
-
Gjertsen, Michael;
Luef, Franz.
(2025)
On the Structure of Multivariate Gabor Systems and a Result on Gaussian Gabor Frames.
Journal of Fourier Analysis and Applications
Academic article
2024
-
Dörfler, Monika;
Luef, Franz;
Mcnulty, Henry David Feaver;
Skrettingland, Eirik.
(2024)
Time-frequency analysis and coorbit spaces of operators.
Journal of Mathematical Analysis and Applications
Academic article
-
Bastianoni, Federico;
Luef, Franz.
(2024)
τ-quantization and τ-Cohen classes distributions of Feichtinger operators.
Journal of Pseudo-Differential Operators and Applications
Academic article
-
Feichtinger, Hans G.;
Halvdansson, Karl Simon;
Luef, Franz.
(2024)
Measure-operator convolutions and applications to mixed-state Gabor multipliers.
Sampling Theory, Signal Processing, and Data Analysis (SaSiDa)
Academic article
-
Dörfler, Monika;
Luef, Franz;
Skrettingland, Eirik.
(2024)
Local structure and effective dimensionality of time series data sets.
Applied and Computational Harmonic Analysis
Academic article
-
Abreu, L.D.;
Balazs, P.;
Holighaus, N.;
Luef, Franz;
Speckbacher, M..
(2024)
Time-frequency analysis on flat tori and Gabor frames in finite dimensions.
Applied and Computational Harmonic Analysis
Academic article
2023
-
Luef, Franz;
Wang, Xu.
(2023)
Gaussian Gabor frames, Seshadri constants and generalized Buser-Sarnak invariants.
Geometric and Functional Analysis
Academic article
2022
-
Berge, Eirik;
Berge, Stine Marie;
Luef, Franz;
Skrettingland, Eirik.
(2022)
Affine quantum harmonic analysis.
Journal of Functional Analysis
Academic article
-
Berge, Eirik;
Luef, Franz.
(2022)
A large scale approach to decomposition spaces.
Studia Mathematica
Academic article
-
Dias, Nuno Costa;
Luef, Franz;
Prata, Joao Nuno.
(2022)
Uncertainty principle via variational calculus on modulation spaces.
Journal of Functional Analysis
Academic article
-
Enstad, Ulrik Bo Rufus;
Jakobsen, Mads Sielemann;
Luef, Franz;
Omland, Tron.
(2022)
Deformations and Balian-Low theorems for Gabor frames on the adeles.
Advances in Mathematics
Academic article
-
Berge, Eirik;
Berge, Stine Marie;
Luef, Franz.
(2022)
The affine Wigner distribution.
Applied and Computational Harmonic Analysis
Academic article
2021
-
Luef, Franz;
Skrettingland, Eirik.
(2021)
A Wiener Tauberian theorem for operators and functions.
Journal of Functional Analysis
Academic article
-
Austad, Are;
Luef, Franz.
(2021)
Modulation spaces as a smooth structure in noncommutative geometry.
Banach Journal of Mathematical Analysis
Academic article
-
Keller, Johannes;
Luef, Franz.
(2021)
Polyanalytic Toeplitz Operators: Isomorphisms, Symbolic Calculus and Approximation of Weyl Operators.
Journal of Fourier Analysis and Applications
Academic article
-
Dabrowski, Ludwik;
Jakobsen, Mads Sielemann;
Landi, Giovanni;
Luef, Franz.
(2021)
Solitons of general topological charge over noncommutative tori.
Reviews in Mathematical Physics
Academic article
2020
-
Austad, Are;
Jakobsen, Mads Sielemann;
Luef, Franz.
(2020)
Gabor duality theory for Morita equivalent C*-algebras.
International Journal of Mathematics
Academic article
-
Balan, Radu;
Dutkay, Dorin;
Han, Deguang;
David, Larson;
Luef, Franz.
(2020)
A Duality Principle for Groups II: Multi-frames Meet Super-Frames.
Journal of Fourier Analysis and Applications
Academic article
-
Kang, Sooran;
Luef, Franz;
Judith, Packer.
(2020)
Yang-Mills connections on quantum Heisenberg manifolds.
Journal of Mathematical Analysis and Applications
Academic article
-
Jakobsen, Mads Sielemann;
Luef, Franz.
(2020)
Duality of Gabor frames and Heisenberg modules.
Journal of Noncommutative Geometry
Article in business/trade/industry journal
2019
-
Luef, Franz;
Skrettingland, Eirik.
(2019)
On Accumulated Cohen's Class Distributions and Mixed-State Localization Operators.
Constructive approximation
Academic article
-
Enstad, Ulrik Bo Rufus;
Jakobsen, Mads Sielemann;
Luef, Franz.
(2019)
Time-frequency analysis on the adeles over the rationals.
Comptes rendus. Mathematique
Academic article
-
Chakraborty, Sayan;
Luef, Franz.
(2019)
Metaplectic transformations and finite group actions on noncommutative tori.
Journal of operator theory
Academic article
-
Gosson, Maurice de;
Luef, Franz.
(2019)
Moyal bracket and ehrenfest’s theorem in born–jordan quantization.
Quantum Reports
Academic article
-
Jakobsen, Mads Sielemann;
Luef, Franz.
(2019)
Sampling and periodization of generators of Heisenberg modules.
International Journal of Mathematics
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2019)
Mixed-State Localization Operators: Cohen’s Class and Trace Class Operators.
Journal of Fourier Analysis and Applications
Academic article
2018
-
Luef, Franz.
(2018)
The Balian–Low theorem and noncommutative tori.
Expositiones mathematicae
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2018)
Convolutions for localization operators.
Journal des Mathématiques Pures et Appliquées
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2018)
Convolutions for Berezin quantization and Berezin-Lieb inequalities.
Journal of Mathematical Physics
Academic article
2015
-
Gosson, Maurice A. de;
Luef, Franz.
(2015)
Born–Jordan pseudodifferential calculus, Bopp operators and deformation quantization.
Integral equations and operator theory
Academic article
-
Dabrowski, Ludwik;
Landi, Giovanni;
Luef, Franz.
(2015)
Sigma-model solitons on noncommutative spaces.
Letters in Mathematical Physics
Academic article
2014
-
Gosson, Maurice de;
Luef, Franz.
(2014)
Metaplectic group, symplectic Cayley transform, and fractional Fourier transforms.
Journal of Mathematical Analysis and Applications
Academic article
2012
-
Dias, Nuno Costa;
Gosson, Maurice de;
Luef, Franz;
Prata, Joao Nuno.
(2012)
Quantum mechanics in phase space: the Schrödinger and the Moyal representations.
Journal of Pseudo-Differential Operators and Applications
Academic article
Journal publications
-
Enstad, Ulrik Bo Rufus;
Luef, Franz.
(2025)
Bessel duality of Gabor systems: A von Neumann algebraic perspective.
Expositiones mathematicae
Academic article
-
Dias, Nuno Costa;
Luef, Franz;
Prata, João Nuno.
(2025)
On Wigdersons' approach to the uncertainty principle.
Journal des Mathématiques Pures et Appliquées
Academic article
-
Luef, Franz;
Samuelsen, Helge Jørgen.
(2025)
Fourier Restriction for Schatten Class Operators and Functions on Phase Space.
International Mathematics Research Notices (IMRN)
Academic article
-
Gjertsen, Michael;
Luef, Franz.
(2025)
On the Structure of Multivariate Gabor Systems and a Result on Gaussian Gabor Frames.
Journal of Fourier Analysis and Applications
Academic article
-
Dörfler, Monika;
Luef, Franz;
Mcnulty, Henry David Feaver;
Skrettingland, Eirik.
(2024)
Time-frequency analysis and coorbit spaces of operators.
Journal of Mathematical Analysis and Applications
Academic article
-
Bastianoni, Federico;
Luef, Franz.
(2024)
τ-quantization and τ-Cohen classes distributions of Feichtinger operators.
Journal of Pseudo-Differential Operators and Applications
Academic article
-
Feichtinger, Hans G.;
Halvdansson, Karl Simon;
Luef, Franz.
(2024)
Measure-operator convolutions and applications to mixed-state Gabor multipliers.
Sampling Theory, Signal Processing, and Data Analysis (SaSiDa)
Academic article
-
Dörfler, Monika;
Luef, Franz;
Skrettingland, Eirik.
(2024)
Local structure and effective dimensionality of time series data sets.
Applied and Computational Harmonic Analysis
Academic article
-
Abreu, L.D.;
Balazs, P.;
Holighaus, N.;
Luef, Franz;
Speckbacher, M..
(2024)
Time-frequency analysis on flat tori and Gabor frames in finite dimensions.
Applied and Computational Harmonic Analysis
Academic article
-
Luef, Franz;
Wang, Xu.
(2023)
Gaussian Gabor frames, Seshadri constants and generalized Buser-Sarnak invariants.
Geometric and Functional Analysis
Academic article
-
Berge, Eirik;
Berge, Stine Marie;
Luef, Franz;
Skrettingland, Eirik.
(2022)
Affine quantum harmonic analysis.
Journal of Functional Analysis
Academic article
-
Berge, Eirik;
Luef, Franz.
(2022)
A large scale approach to decomposition spaces.
Studia Mathematica
Academic article
-
Dias, Nuno Costa;
Luef, Franz;
Prata, Joao Nuno.
(2022)
Uncertainty principle via variational calculus on modulation spaces.
Journal of Functional Analysis
Academic article
-
Enstad, Ulrik Bo Rufus;
Jakobsen, Mads Sielemann;
Luef, Franz;
Omland, Tron.
(2022)
Deformations and Balian-Low theorems for Gabor frames on the adeles.
Advances in Mathematics
Academic article
-
Berge, Eirik;
Berge, Stine Marie;
Luef, Franz.
(2022)
The affine Wigner distribution.
Applied and Computational Harmonic Analysis
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2021)
A Wiener Tauberian theorem for operators and functions.
Journal of Functional Analysis
Academic article
-
Austad, Are;
Luef, Franz.
(2021)
Modulation spaces as a smooth structure in noncommutative geometry.
Banach Journal of Mathematical Analysis
Academic article
-
Keller, Johannes;
Luef, Franz.
(2021)
Polyanalytic Toeplitz Operators: Isomorphisms, Symbolic Calculus and Approximation of Weyl Operators.
Journal of Fourier Analysis and Applications
Academic article
-
Dabrowski, Ludwik;
Jakobsen, Mads Sielemann;
Landi, Giovanni;
Luef, Franz.
(2021)
Solitons of general topological charge over noncommutative tori.
Reviews in Mathematical Physics
Academic article
-
Austad, Are;
Jakobsen, Mads Sielemann;
Luef, Franz.
(2020)
Gabor duality theory for Morita equivalent C*-algebras.
International Journal of Mathematics
Academic article
-
Balan, Radu;
Dutkay, Dorin;
Han, Deguang;
David, Larson;
Luef, Franz.
(2020)
A Duality Principle for Groups II: Multi-frames Meet Super-Frames.
Journal of Fourier Analysis and Applications
Academic article
-
Kang, Sooran;
Luef, Franz;
Judith, Packer.
(2020)
Yang-Mills connections on quantum Heisenberg manifolds.
Journal of Mathematical Analysis and Applications
Academic article
-
Jakobsen, Mads Sielemann;
Luef, Franz.
(2020)
Duality of Gabor frames and Heisenberg modules.
Journal of Noncommutative Geometry
Article in business/trade/industry journal
-
Luef, Franz;
Skrettingland, Eirik.
(2019)
On Accumulated Cohen's Class Distributions and Mixed-State Localization Operators.
Constructive approximation
Academic article
-
Enstad, Ulrik Bo Rufus;
Jakobsen, Mads Sielemann;
Luef, Franz.
(2019)
Time-frequency analysis on the adeles over the rationals.
Comptes rendus. Mathematique
Academic article
-
Chakraborty, Sayan;
Luef, Franz.
(2019)
Metaplectic transformations and finite group actions on noncommutative tori.
Journal of operator theory
Academic article
-
Gosson, Maurice de;
Luef, Franz.
(2019)
Moyal bracket and ehrenfest’s theorem in born–jordan quantization.
Quantum Reports
Academic article
-
Jakobsen, Mads Sielemann;
Luef, Franz.
(2019)
Sampling and periodization of generators of Heisenberg modules.
International Journal of Mathematics
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2019)
Mixed-State Localization Operators: Cohen’s Class and Trace Class Operators.
Journal of Fourier Analysis and Applications
Academic article
-
Luef, Franz.
(2018)
The Balian–Low theorem and noncommutative tori.
Expositiones mathematicae
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2018)
Convolutions for localization operators.
Journal des Mathématiques Pures et Appliquées
Academic article
-
Luef, Franz;
Skrettingland, Eirik.
(2018)
Convolutions for Berezin quantization and Berezin-Lieb inequalities.
Journal of Mathematical Physics
Academic article
-
Gosson, Maurice A. de;
Luef, Franz.
(2015)
Born–Jordan pseudodifferential calculus, Bopp operators and deformation quantization.
Integral equations and operator theory
Academic article
-
Dabrowski, Ludwik;
Landi, Giovanni;
Luef, Franz.
(2015)
Sigma-model solitons on noncommutative spaces.
Letters in Mathematical Physics
Academic article
-
Gosson, Maurice de;
Luef, Franz.
(2014)
Metaplectic group, symplectic Cayley transform, and fractional Fourier transforms.
Journal of Mathematical Analysis and Applications
Academic article
-
Dias, Nuno Costa;
Gosson, Maurice de;
Luef, Franz;
Prata, Joao Nuno.
(2012)
Quantum mechanics in phase space: the Schrödinger and the Moyal representations.
Journal of Pseudo-Differential Operators and Applications
Academic article
Teaching
Courses
- TMA4170 - Fourier Analysis
- MA8104 - Wavelets and related areas
- TMA4422 - Mathematics 3C: Linear Algebra, Differential equations, Approximation of Functions, and Series
- TMA4411 - Mathematics 2B: Linear Algebra, Differential equations, Integral transforms and Series
- TMA4110 - Mathematics 3 - Linear algebra
- TMA4410 - Mathematics 2A: Linear Algebra, Differential equations, Integral transforms and Series
- TMA4230 - Functional Analysis
Supervision
Bachelor students
- Elias Klakken Angelsen: The K-theory and Morita equivalence classes of noncommutative tori, June 2021
- Thor Tunge: Constructing equiangular tight frames, June 2016
- Kjell Martin Moelster: Elliptic Cryptography, June 2014.
Master students
- Michael Gjertsen: Morita equivalence and metaplectic operators of noncommutative tori, Aug. 2022-June 2023
- Rasmus Hilmer Henninen: Convolutional neural networks and quantum harmonic analysis, Aug. 2022-June 2023
- Erik Joergensen: Unwinding the phase, June 2018
- Sindre Naas: From wireless communication to noncommutative geometry, June 2018
- Eirik Skrettingland: Convolutions for localization operators, May 2017
- Haakon Gulbrandsrud: Noncommutative Sobolev spaces, May 2017
- Are Austad: The Algebraic Bivariant Connes-Chern character, April 2017
- Ulrik Enstad: Rational noncommutative tori and Gabor frames, June 2016
Doctoral students
- Erling Svela (main supervisor): Application of quantum entropies to the structure of data, August 2026
- Henry McNulty (main supervisor): Application of quantum harmonic analysis to time series, August 2025
- Simon Halvdansson (main supervisor): On quantum harmonic analysis, August 2025
- Matthias Palmstrom (co-supervisor): Aspects of groupoid C*-algebras, August 2025
- Helge Knutsen (co-supervisor): The fractal uncertainty principle in time-frequency analysis, June 2023
- Eirik Berge (main supervisor): Geometric and Functional Analytic Aspects of Time-Frequency Analysis, June 2022
- Eirik Skrettingland (main supervisor): Time-Frequency Analysis meets Quantum Harmonic Analysis, May 2021
- Are Austad (main supervisor): Twisted convolution algebras and applications to Gabor analysis, May 2021
- Ulrik Enstad (co-supervisor): Heisenberg modules and Balian-Low theorems - Applications of operator algebras to Gabor analysis, May 2020
Outreach
2023
-
Academic lectureLuef, Franz. (2023) Quantum harmonic analysis: Open problems and future directions. Workshop on quantum harmonic analysis 04.06.2023 - 09.06.2023
-
Academic lectureLuef, Franz. (2023) Local structures in time-series. 4th International Conference and Summer School NUMTA 2023 "Numerical Computations: Theory and Algorithms" 14.06.2023 - 20.06.2023
-
Academic lectureLuef, Franz. (2023) Wigner tau-distribution and Cohen classes for operators. IWOTA 2023 , Helsinki 31.07.2023 - 04.08.2023
-
Academic lectureLuef, Franz. (2023) Metaplectic transformations for Heisenberg modules. IWOTA 2023 , Helsinki 31.07.2023 - 04.08.2023
2022
-
Academic lectureLuef, Franz. (2022) Sampling and periodization of generators of Heisenberg modules. Analysis seminar 14.10.2022 -
-
Academic lectureLuef, Franz. (2022) Tauberian theorems for operators and functions. Harmonic analysis and friends - Strobl22 25.06.2022 -
-
Academic lectureLuef, Franz. (2022) Quantum Harmonic Analysis and Time-Frequency Analysis. North British Functional Analysis Seminar 01.04.2022 -
-
Academic lectureLuef, Franz. (2022) Approximation of Heisenberg modules over irrational noncommutative tori. Noncommutativity in the North 14.03.2022 - 18.03.2022
2021
-
Academic lectureLuef, Franz. (2021) Localization Operators. Quantum Harmonic Analysis and Applications to Operator Theory - August 2021 03.08.2021 - 05.08.2021
-
Academic lectureLuef, Franz. (2021) Tauberian theorems for operators. Quantum Harmonic Analysis and Applications to Operator Theory - August 2021 03.08.2021 - 05.08.2021
-
Academic lectureLuef, Franz. (2021) Quadratische Zeit-Frequenz Darstellungen. DAGA - 47. Jahrestagung für Akustik , Wien 15.08.2021 - 20.08.2021
-
Academic lectureLuef, Franz. (2021) Affine Quantum Harmonic Analysis. Department of Mathematics , digital 22.06.2021 - 23.06.2021
-
Academic lecture
-
Academic lectureLuef, Franz. (2021) Quantum Harmonic Analysis — Recent Developments. UNR Department of Mathematics and Statistics Colloquium , Reno 25.03.2021 -
-
Academic lectureLuef, Franz. (2021) Gabor duality for Morita equivalent C*-algebras. Danish-Norwegian Operator Algebras 2021 25.11.2021 - 28.11.2021
-
Academic lectureLuef, Franz. (2021) Gaussian Gabor frames and interpolation in Bargmann-Fock spaces. Analyse Seminar , Trondheim 17.09.2021 -
2020
-
Academic lectureLuef, Franz. (2020) Gaussian Gabor frames and Kaehler geometry. Noncommutative conference 18.08.2020 - 20.08.2020
-
LectureLuef, Franz. (2020) Gabor duality theory for Morita equivalent C*-algebras. Hilbert C*-Modules Online Weekend 05.06.2020 - 06.06.2020
-
Academic lectureLuef, Franz. (2020) Tauberian theorems for operators and functions. 5th Operator Theory Workshop 21.10.2020 - 23.08.2021