Ahmed I. Zayed

College of Science and HealthMathematical SciencesProfessorFacultyFull Time
Degrees​​​​PhD​​​​​​
Contact
azayed@depaul.edu​​ (773) 325-7808
Office
Schmitt Academic Center (SAC), Room 510

BIO

Ahmed I. Zayed was the chair of the Department of Mathematical Sciences, DePaul University, 2001-2021. Prior to his position at DePaul University, he was an Associate Chair for Graduate Studies at the University of Central Florida, Orlando.


Dr. Zayed’s research interests include Sampling Theory, Wavelets, Fractional Fourier transform, Special Functions, Integral transformations and their applications in signal and image processing. He has published 11 books, 24 book chapters and encyclopedia and  published 131 refereed research articles. In 2024 he was inducted as an Associate Member into the Sigma XI, the Scientific Research Honor Society https://www.sigmaxi.org/.


He has served on the Editorial Boards of 20 mathematics and engineering journals, such as the journal of Integral Transforms and Special Functions, Sampling Theory, Signal Processing and Data Analysis, the International journal of Fractional Calculus and Applied Analysis, and the International Journal of Mathematics and Mathematical Sciences. 


Selected publications:

  • Fractional Integral Transforms:  Theory and Applications CRC, Taylor and Francis Group. (2024)
  • Sampling, Approximation, and Signal Analysis, Springer-Birkhauser Applied and Numerical Harmonic Analysis Series, (S. Casey, M. Dodson, P. Ferreira, A. Zayed, Editor) (2023).
  • Sampling Theorem for Two-Dimensional Fractional Fourier Transform, Journal of Signal Processing, Vol. 181, April 2021., 107902
    https://www.sciencedirect.com/science/article/abs/pii/S0165168420304461
  • A New Perspective on the Two-Dimensional Fractional Fourier Transform and its Relationship with the Wigner Distribution, Journal of Fourier Analysis and Applications, Vol. 25-2 (2019), pp. 460-487.
  • “New Perspectives on Approximation and Sampling Theory” (A. Zayed and G. Schmeisser, Editors), Birkhauser, 2015
  • Shift-invariant and sampling spaces associated with the fractional Fourier transform domain, IEEE Trans. Signal Process. 60 (2012), no. 4, 1627-1637 (with A. Bhandari).
  • Wavelets and multiscale analysis. Theory and applications
    Applied and Numerical Harmonic Analysis (2011), 335 pp., Birkhauser (editor, with J. Cohen).