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Büro: 31-455

Tel.: +49 (0)631 205 5324

E-Mail: hasannas(at)



  • A. Benavente, O. Christensen, M. Hasannasab, H. O. Kim, R. Y. Kim, F. D. Kovac (2019)
    Approximately dual pairs of wavelet frames
  • M. Hasannasab, J. Hertrich, F. Laus and Gabriele Steidl, (2019)
    Alternatives of the EM algorithm for estimating the parameters of the Student-t distribution

  • M. Hasannasab, J. Hertrich, S. Neumayer, G. Plonka, S. Setzer, G. Steidl (2019).
    Parseval Proximal Neural Networks
  • O. Christensen, M. Hasannasab, G. Steidl (2019)
    On approximate operator representations of sequences in Banach spaces 

Journal articles

  • M. Hasannasab, O. Christensen, F. Philipp (2019)
    Frame properties of operator orbits

    Mathematische Nachrichten
  • M. Hasannasab, O. Christensen, (2019)
    Approximate frame representations via iterated operator systems

    Accepted for publication in Studia Mathematics 
  • M. Hasannasab (2019)
    Modular Riesz bases versus Riesz bases in Hilbert
    Accepted for publication in Asian-European Journal of Mathematics.
  • M. Hasannasab, O. Christensen, (2018)
    Gabor frames in l2(N) and linear dependence 
    Journal of Fourier Analysis and Applications

  • M. Hasannasab, O. Christensen, (2018)
    Frame properties of systems arising via iterative actions of operators,
    Applied and Computational Harmonic Analysis
  • M. Hasannasab, O. Christensen, E. Rashidi, (2018)
    Dynamical Sampling and operator representations of frames

    Journal of Mathematical Analysis and application
  • M. Hasannasab, O. Christensen, D. Stoeva (2018)
    Operator representations of sequences and dynamical sampling

    Sampling Theory Signal Image Processing
  • M. Hasannasab, O. Christensen, (2017)
    Operator representations of frames: boundedness, duality, and stability

    Integral Equation and Operator Theory
    arXive: 1704.08918.
  • M. Hasannasab, O. Christensen, J. Lemvig (2017)
    Explicit constructions and properties of generalized shift-invariant systems in
    Advances in Computational Mathematics

Conference paper/Book contributions

  • M. Hasannasab, O. Christensen (2019)
    Frame representations via suborbits of bounded operators
    SAMPTA conference
  • M. Hasannasab, O. Christensen, (2018)
    Frames, operator representations, and open problems

    The diversity and beauty of applied operator theory,  Operator Theory: Advances and Applications, Birkhäuser/Springer, Cham.
  • M. Hasannasab, O. Christensen (2017)
    Operator representations of frames

    SAMPTA conference

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