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Chat
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Coupled 2<i>D</i>-Fractional Wavelet Transform
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2024
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R. Roopkumar
Ramanathan Kamalakkannan
Ahmed I. Zayed
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Characterization of Pseudo-Differential Operators Associated with the Coupled Fractional Fourier Transform
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2024
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Shraban Das
Kanailal Mahato
Ahmed I. Zayed
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Shift-Invariant and Sampling Spaces of the Fractional Fourier Transform
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2024
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Ahmed I. Zayed
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Fractional Integral Transforms
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2024
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Ahmed I. Zayed
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The Two-Dimensional Fractional Fourier Transform and The Wigner Distribution
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2024
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Ahmed I. Zayed
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Short-Time Coupled Fractional Fourier Transform and Uncertainty Relations
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2024
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Ahmed I. Zayed
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Fractional Integral Transforms
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2024
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Ahmed I. Zayed
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Integral Transformations
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2024
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Ahmed I. Zayed
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On the Extension and Sampling Theorem for the Coupled Fractional Fourier Transform
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2023
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Ahmed I. Zayed
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Papoulis' sampling theorem: Revisited
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2023
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Azhar Y. Tantary
Firdous A. Shah
Ahmed I. Zayed
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Quaternionic Coupled Fractional Fourier Transform on Boehmians
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2023
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Ramanathan Kamalakkannan
R. Roopkumar
Ahmed I. Zayed
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Two-dimensional fractional shearlet transforms in $$L^2({\mathbb {R}}^2)$$
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2022
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Waseem Z. Lone
Firdous A. Shah
Ahmed I. Zayed
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PDF
Chat
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Discrete Quadratic-Phase Fourier Transform: Theory and Convolution Structures
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2022
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H. M. Srivastava
Waseem Z. Lone
Firdous A. Shah
Ahmed I. Zayed
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PDF
Chat
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An Interplay of Ridgelet and Linear Canonical Transforms
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2022
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H. M. Srivastava
Azhar Y. Tantary
Firdous A. Shah
Ahmed I. Zayed
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Short time coupled fractional fourier transform and the uncertainty principle
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2021
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Ramanathan Kamalakkannan
R. Roopkumar
Ahmed I. Zayed
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On the extension of the coupled fractional Fourier transform and its properties
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2021
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Ramanathan Kamalakkannan
R. Roopkumar
Ahmed I. Zayed
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Sampling theorem for two dimensional fractional Fourier transform
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2020
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Ahmed I. Zayed
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A convolution-based special affine wavelet transform
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2020
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Firdous A. Shah
Azhar Y. Tantary
Ahmed I. Zayed
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One-Bit Sampling in Fractional Fourier Domain
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2020
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Ayush Bhandari
Olga Graf
Felix Krahmer
Ahmed I. Zayed
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On the Reconstruction of a Class of Signals Bandlimited to a Disc
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2019
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Ahmed I. Zayed
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A new perspective on the role of mathematics in medicine
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2019
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Ahmed I. Zayed
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On Multivariate Sampling of a Class of Integral Transforms
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2019
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Ahmed I. Zayed
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Sampling of Signals Bandlimited to a Disc in the Linear Canonical Transform Domain
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2018
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Ahmed I. Zayed
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Two-dimensional fractional Fourier transform and some of its properties
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2018
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Ahmed I. Zayed
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Advances in Shannon’s Sampling Theory
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2018
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Ahmed I. Zayed
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Sampling Theorems Associated With Self-Adjoint Boundary-Value Problems
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2018
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Ahmed I. Zayed
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Kramer’s Sampling Theorem and Lagrange-Type Interpolation in N-Dimensions
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2018
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Ahmed I. Zayed
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Frames and Wavelets: A New Perspective on Sampling Theorems
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2018
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Ahmed I. Zayed
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Sampling Theorems Associated With Sturm-Liouville Boundary-Value Problems
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2018
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Ahmed I. Zayed
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Sampling Theorems for Multidimensional Signals—The Feichtinger-GrÖchenig Sampling Theory
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2018
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Ahmed I. Zayed
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Convolution and Product Theorems for the Special Affine Fourier Transform
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2018
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Ayush Bhandari
Ahmed I. Zayed
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A New Perspective on the Two-Dimensional Fractional Fourier Transform and Its Relationship with the Wigner Distribution
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2017
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Ahmed I. Zayed
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Shift-invariant and sampling spaces associated with the special affine Fourier transform
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2017
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Ayush Bhandari
Ahmed I. Zayed
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On sampling theorems for fractional Fourier transforms and series
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2017
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Ahmed I. Zayed
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Numerical Solution to an Energy Concentration Problem Associated with the Special Affine Fourier Transformation
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2017
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Ammari Amara
Tahar Moumni
Ahmed I. Zayed
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Shift-Invariant and Sampling Spaces Associated with the Special Affine Fourier Transform
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2016
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Ayush Bhandari
Ahmed I. Zayed
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Shift-Invariant and Sampling Spaces Associated with the Special Affine Fourier Transform
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2016
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Ayush Bhandari
Ahmed I. Zayed
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PDF
Chat
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On the Invalidity of Fourier Series Expansions of Fractional Order
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2015
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Peter Massopust
Ahmed I. Zayed
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Wavelets: Continuous Transform and Series
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2015
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Ahmed I. Zayed
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On the Invalidity of Fourier Series Expansions of Fractional Order
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2015
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Peter Massopust
Ahmed I. Zayed
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Maximally concentrated signals in the special affine fourier transformation domain
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2015
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Ahmed I. Zayed
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Linear Transformations in Signal and Optical Systems
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2015
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Ahmed I. Zayed
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Solution of the Energy Concentration Problem in Reproducing-Kernel Hilbert Space
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2015
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Ahmed I. Zayed
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ON LAGUERRE SERIES EXPANSIONS OF ENTIRE FUNCTIONS
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2015
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Ahmed I. Zayed
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On the Invalidity of Fourier Series Expansions of Fractional Order
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2015
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Peter Massopust
Ahmed I. Zayed
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Convolution and Product Theorem for the Special Affine Fourier Transform
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2015
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Ayush Bhandari
Ahmed I. Zayed
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PDF
Chat
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Chromatic expansions in function spaces
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2014
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Ahmed I. Zayed
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A generalization of the prolate spheroidal wave functions with applications to sampling
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2014
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Tahar Moumni
Ahmed I. Zayed
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Linear Transformations in Signal and Optical Systems
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2014
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Ahmed I. Zayed
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New perspectives on approximation and sampling theory : festschrift in honor of Paul Butzer's 85th birthday/ Ahmed I. Zayed, Gerhard, Schmeisser, editors
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2014
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Ahmed I. Zayed
Gerhard Schmeißer
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Chromatic Expansions and the Bargmann Transform
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2012
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Ahmed I. Zayed
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Shift-Invariant and Sampling Spaces Associated With the Fractional Fourier Transform Domain
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2011
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Ayush Bhandari
Ahmed I. Zayed
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On the Theta Semigroup
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2011
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Wilfredo Urbina
Ahmed I. Zayed
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On the Theta semigroup
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2011
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Ahmed I. Zayed
Wilfredo Urbina
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+
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Chromatic expansions of generalized functions
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2011
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Ahmed I. Zayed
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PDF
Chat
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Multidimensional chromatic derivatives and series expansions
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2011
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Aleksandar Ignjatović
Ahmed I. Zayed
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On the Theta semigroup
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2011
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Ahmed I. Zayed
Wilfredo Urbina
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Sampling theorem for bandlimited Hardy space functions generated by Regge problem
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2010
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Ahmed I. Zayed
Marianna A. Shubov
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Generalizations of Chromatic Derivatives and Series Expansions
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2009
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Ahmed I. Zayed
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Paley–Wiener subspace of vectors in a Hilbert space with applications to integral transforms
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2008
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Isaac Z. Pesenson
Ahmed I. Zayed
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On the Notion of Bandlimitedness and its Generalizations
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2008
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Ahmed I. Zayed
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A generalization of the prolate spheroidal wave functions
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2007
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Ahmed I. Zayed
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Topics in Harmonic Analysis and Ergodic Theory
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2007
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Joseph Rosenblatt
Alexander M. Stokolos
Ahmed I. Zayed
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Topics in harmonic analysis and ergodic theory : December 2-4, 2005, DePaul University, Chicago, Illinois
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2007
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Joseph Rosenblatt
Alexander M. Stokolos
Ahmed I. Zayed
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PDF
Chat
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Lagrange Interpolation and Boundary-Value Problems
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2006
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Ahmed I. Zayed
Chang Eon Shin
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[Equivalence of Kramer and Shannon sampling Theorems]The Equivalence of Kramer and Shannon sampling Theorems Revisited
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2005
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Amin Boumenir
Ahmed I. Zayed
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Comparison of a Wavelet-Galerkin Procedure with a Crank-Nicolson-Galerkin Procedure for the Diffusion Equation Subject to the Specification of Mass
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2005
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Hagar Hashish
John R. Cannon
S.H. Behiry
Ahmed I. Zayed
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Sampling expansions for functions having values in a Banach space
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2005
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Deguang Han
Ahmed I. Zayed
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+
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Sinc-Galerkin method for solving nonlinear boundary-value problems
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2004
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Mohamed El‐Gamel
Ahmed I. Zayed
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PDF
Chat
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Discontinuous Boundary-Value Problems: Expansion and Sampling Theorems
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2004
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M. H. Annaby
Gerhard Freiling
Ahmed I. Zayed
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+
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Polynomial growth solutions of Sturm-Liouville equations on a half-line and their zero distribution
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2003
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Chang Eon Shin
Alexander Tovbis
Ahmed I. Zayed
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PDF
Chat
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Sinc-Galerkin method for solving linear sixth-order boundary-value problems
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2003
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Mohamed El‐Gamel
John R. Cannon
Ahmed I. Zayed
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A 𝑞-analogue of the Whittaker-Shannon-Kotel’nikov sampling theorem
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2003
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Mourad E. H. Ismail
Ahmed I. Zayed
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ON THE LAMÉ SERIES REPRESENTATION OF ANALYTIC HYPERFUNCTIONS ON A TWO-DIMENSIONAL COMPLEX MANIFOLD
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2002
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Ahmed I. Zayed
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Special Functions
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2002
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Nico Μ. Τemme
Ahmed I. Zayed
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+
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Construction of orthonormal wavelets using Kampé de Fériet functions
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2002
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Ahmed I. Zayed
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Sampling with a String
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2002
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Amin Boumenirr
Ahmed I. Zayed
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A class of fractional integral transforms: a generalization of the fractional Fourier transform
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2002
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Ahmed I. Zayed
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Paley–Wiener-Type Theorems for a Class of Integral Transforms
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2002
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Vu Kim Tuan
Ahmed I. Zayed
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None
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2002
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Chang Eon Shin
Ahmed I. Zayed
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A comparison between the wavelet-Galerkin and the sinc-Galerkin methods in solving nonhomogeneous heat equations
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2002
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Mohamed El‐Gamel
Ahmed I. Zayed
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+
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Wavelets in Closed Forms
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2001
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Ahmed I. Zayed
Gilbert G. Walter
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Shannon-Type Wavelets and the Convergence of Their Associated Wavelet Series
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2001
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Ahmed I. Zayed
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Lagrange Interpolation and Sampling Theorems
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2001
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Ahmed I. Zayed
P. L. Butzer
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+
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Generalization of a Theorem of Boas to a Class of Integral Transforms
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2000
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Vu Kim Tuan
Ahmed I. Zayed
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PDF
Chat
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Paley-Wiener-Type Theorem for a Class of Integral Transforms Arising from a Singular Dirac System
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2000
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Ahmed I. Zayed
Vu Kim Tuan
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Pointwise convergence of a class of non-orthogonal wavelet expansions
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2000
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Ahmed I. Zayed
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New sampling formulae for the fractional Fourier transform
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1999
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Ahmed I. Zayed
Antonio G. Garcı́a
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Convolution and product theorem for the fractional fourier transform
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1999
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Ahmed I. Zayed
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Fast communication New sampling formulae for the fractional Fourier transform
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1999
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Ahmed I. Zayed
Antonio G. GarcmH
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+
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B-Splines and orthonormal sets in Paley- Wiener space
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1999
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Ahmed I. Zayed
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+
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Fractional fourier transform of generalized functions
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1998
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Ahmed I. Zayed
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+
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Kramer’s Sampling Theorem With Discontinuous Kernels
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1998
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Ahmed I. Zayed
Antonio G. Garcı́a
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+
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Hilbert transform associated with the fractional Fourier transform
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1998
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Ahmed I. Zayed
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PDF
Chat
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On the Use of Green's Function in Sampling Theory
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1998
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M. H. Annaby
Ahmed I. Zayed
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A convolution and product theorem for the fractional Fourier transform
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1998
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Ahmed I. Zayed
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Sampling Theorem Associated with a Dirac Operator and the Hartley Transform
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1997
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Ahmed I. Zayed
Antonio G. Garcı́a
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+
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Nonuniform sampling of bandlimited signals with polynomial growth on the real axis
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1997
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Ahmed I. Zayed
Antonio G. Garcı́a
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+
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On the relationship between the Fourier and fractional Fourier transforms
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1996
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Ahmed I. Zayed
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+
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Characterization of analytic functions in terms of their wavelet coefficients
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1996
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Ahmed I. Zayed
Gilbert G. Walter
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PDF
Chat
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Sampling in a Hilbert space
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1996
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Ahmed I. Zayed
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+
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Special Functions
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1995
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Ahmed I. Zayed
Nicco Temme
P. W. Jameson
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+
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Wavelet expansions of analytic hyperfunctions
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1995
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Ahmed I. Zayed
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+
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A Generalized Sampling Theorem with the Inverse of an Arbitrary Square Summable Sequence as Sampling Points
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1995
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Ahmed I. Zayed
|
+
PDF
Chat
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On the extension of the Żak transform
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1995
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Ahmed I. Zayed
Piotr Mikusiński
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+
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Sampling Theorems Associated with Boundary-Value Problems
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1994
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Ahmed I. Zayed
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+
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Sampling theorem for functions bandlimited to a disc
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1994
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Ahmed I. Zayed
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A Sampling Theorem for Signals Bandlimited to a General Domain in Several Dimensions
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1994
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Ahmed I. Zayed
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+
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New summation formulas for multivariate infinite series by using sampling theorems
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1994
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P. L. Butzer
Ahmed I. Zayed
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+
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Wavelet Transform of Periodic Generalized Functions
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1994
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Ahmed I. Zayed
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+
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A New Role of Green′s Function in Interpolation and Sampling Theory
|
1993
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Ahmed I. Zayed
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PDF
Chat
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A Proof of New Summation Formulae by Using Sampling Theorems
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1993
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Ahmed I. Zayed
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+
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Generalized Jacobi transform
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1993
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Ahmed I. Zayed
Elias Deeba
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+
PDF
Chat
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The Radon transform of Boehmians
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1993
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Piotr Mikusiński
Ahmed I. Zayed
|
+
PDF
Chat
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A proof of new summation formulae by using sampling theorems
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1993
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Ahmed I. Zayed
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+
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Kramer's sampling theorem for multidimensional signals and its relationship with Lagrange-type interpolations
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1992
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Ahmed I. Zayed
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+
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Existence of a Boundary-Value Problem with Prescribed Eigenvalues
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1992
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Ahmed I. Zayed
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+
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On the inversion of integral transforms associated with Sturm-Liouville problems
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1992
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Ahmed I. Zayed
Gilbert G. Walter
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+
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Inversion of integral transforms associated with a class of perturbed heat equations
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1992
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Ahmed I. Zayed
Deborah Tepper Haimo
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+
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On Lagrange interpolations and Kramer's sampling theorem associated with self-adjoint boundary value problems
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1991
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Ahmed I. Zayed
Mohamed Elsayed
M. H. Annaby
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+
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On Kramer’s Sampling Theorem Associated with General Sturm-Liouville Problems and Lagrange Interpolation
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1991
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Ahmed I. Zayed
|
+
PDF
Chat
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Jacobi Polynomials as Generalized Faber Polynomials
|
1990
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Ahmed I. Zayed
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+
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On Lagrange Interpolation and Kramer-Type Sampling Theorems Associated with Sturm–Liouville Problems
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1990
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Ahmed I. Zayed
Guido Hinsen
P. L. Butzer
|
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PDF
Chat
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Jacobi polynomials as generalized Faber polynomials
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1990
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Ahmed I. Zayed
|
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PDF
Chat
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Generalized Faber expansions of hyperfunctions on analytic curves
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1990
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Ahmed I. Zayed
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+
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A theorem of nehari revisited
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1988
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Ahmed I. Zayed
M. Freund
E. Görlich
|
+
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Inversion of an integral transform related to a general form of heat equation
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1988
|
Ahmed I. Zayed
Deborah Tepper Haimo
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+
PDF
Chat
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The continuous $(\alpha, \beta)$-Jacobi transform and its inverse when $\alpha+\beta+1$ is a positive integer
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1988
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G.G. Walter
Ahmed I. Zayed
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+
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The Continuous (α, β)-Jacobi Transform and its Inverse when α+ β+ 1 is a Positive Integer
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1988
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G. G. Walter
Ahmed I. Zayed
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+
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Sampling expansion for the continuous bessel transform
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1988
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Ahmed I. Zayed
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+
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On integral transforms whose kernels are solutions of singular Sturm–Liouville problems
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1988
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Ahmed I. Zayed
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+
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On the Singularities of the Continuous Jacobi Transform When α+ β = 0
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1987
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Ahmed I. Zayed
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PDF
Chat
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On the singularities of the continuous Jacobi transform when 𝛼+𝛽=0
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1987
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Ahmed I. Zayed
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+
PDF
Chat
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A generalized inversion formula for the continuous Jacobi transform
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1986
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Ahmed I. Zayed
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+
PDF
Chat
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On the Singularities of Continuous Legendre Transforms
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1986
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Gilbert G. Walter
Ahmed I. Zayed
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+
PDF
Chat
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On the singularities of continuous Legendre transforms
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1986
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Gilbert G. Walter
Ahmed I. Zayed
|
+
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Complex and real singularities of eigenfunction expansions
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1986
|
Ahmed I. Zayed
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+
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On the Singularities of Singular Sturm–Liouville Expansions and an Associated Class of Elliptic P.D.E’s
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1985
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Ahmed I. Zayed
Gilbert G. Walter
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+
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On the singularities and asymptotic expansions of singular sturm-liouville expansions
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1985
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Ahmed I. Zayed
|
+
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Topological vector spaces of analytic functions
|
1983
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Ahmed I. Zayed
|
+
PDF
Chat
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Generalized Functions and Orthogonal Polynomials on the Unit Circle
|
1983
|
Ahmed I. Zayed
|
+
PDF
Chat
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Recoverability of Some Classes of Analytic Functions from Their Boundary Values
|
1983
|
Ahmed I. Zayed
|
+
PDF
Chat
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Generalized functions and orthogonal polynomials on the unit circle
|
1983
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Ahmed I. Zayed
|
+
PDF
Chat
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Recoverability of some classes of analytic functions from their boundary values
|
1983
|
Ahmed I. Zayed
|
+
PDF
Chat
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Recoverability of Some Classes of Analytic Functions from their Boundary Values
|
1982
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Ahmed I. Zayed
|
+
PDF
Chat
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Asymptotic Expansions of Some Integral Transforms by Using Generalized Functions
|
1982
|
Ahmed I. Zayed
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+
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Series of Orthogonal Polynomials as Hyperfunctions
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1982
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Ahmed I. Zayed
Gilbert G. Walter
|
+
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Laguerre Series as Boundary Values
|
1982
|
Ahmed I. Zayed
|
+
PDF
Chat
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Asymptotic expansions of some integral transforms by using generalized functions
|
1982
|
Ahmed I. Zayed
|
+
PDF
Chat
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Recoverability of some classes of analytic functions from their boundary values
|
1982
|
Ahmed I. Zayed
|
+
PDF
Chat
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Hyperfunctions as boundary values of generalized axially symmetric potentials
|
1981
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Ahmed I. Zayed
|
+
PDF
Chat
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On the Singularities of Gegenbauer (Ultraspherical) Expansions
|
1980
|
Ahmed I. Zayed
|
+
PDF
Chat
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On the singularities of Gegenbauer (ultraspherical) expansions
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1980
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Ahmed I. Zayed
|