Construction of Parseval framelets associated with GMRA on local fields of positive characteristic

O Ahmad, MY Bhat, NA Sheikh - Numerical functional analysis and …, 2021 - Taylor & Francis
In this article, we establish theory of Parseval framelets associated to generalized
multiresolution analysis (GMRA) in the setting of reducing subspace for the local field of …

Construction of nonuniform wavelet frames on non-Archimedean fields

O Ahmad, N Ahmad - Mathematical Physics, Analysis and Geometry, 2020 - Springer
A constructive algorithm based on the theory of spectral pairs for constructing nonuniform
wavelet basis in L 2 (ℝ) L^2(\mathbbR) was considered by Gabardo and Nashed (J Funct …

Some relations between continuous generalized frames

H Massit, M Rossafi, C Park - Afrika Matematika, 2024 - Springer
Generalized frames are natural generalizations of frames. The computation of distances
between frames is a crucial concept in frame theory. In this paper we give some basic …

Construction of nonuniform periodic wavelet frames on non-Archimedean fields

O Ahmad - Annales Universitatis Mariae Curie-Sklodowska, sectio …, 2020 - journals.umcs.pl
In real life applications not all signals are obtained by uniform shifts; so there is a natural
question regarding analysis and decompositions of these types of signals by a stable …

Inequalities for wavelet frames with composite dilations in

O Ahmad, NA Sheikh - 2021 - projecteuclid.org
Time-frequency analysis of signals had its origin almost 60 years ago, there have been
major developments of the time-scale and time-frequency analysis approach in the last few …

[PDF][PDF] Non homogeneous dual wavelet frames and oblique extension principles in Hs (K)

O Ahmad - Filomat, 2023 - doiserbia.nb.rs
In this paper, we introduce the notion of nonhomogeneous dual wavelet frames in Sobolev
spaces over local fields. We provide the complete characterization of nonhomogeneous …

Characterization of tight wavelet frames with composite dilations in L2 (Rn)

O Ahmad - Publications de l'Institut Mathematique, 2023 - doiserbia.nb.rs
Tight wavelet frames are different from the orthonormal wavelets because of redundancy. By
sacrificing orthonormality and allowing redundancy, the tight wavelet frames become much …

On generalized inequalities for nonuniform wavelet frames in

O Ahmad, NA Sheikh, AA Hazari - Afrika Matematika, 2022 - Springer
Wavelet frames are different from the orthonormal wavelets because of redundancy. By
sacrificing orthonormality and allowing redundancy, wavelet frames become much easier to …

Nonuniform Semi-orthogonal Wavelet Frames on Non-Archimedean Local Fields of Positive Characteristic

O Ahmad, N Ahmad - Iranian Journal of Mathematical Sciences and …, 2024 - ijmsi.ir
Nonuniform Semi-orthogonal Wavelet Frames on Non-Archimedean Local Fields of Positive
Characteristic Page 1 Iranian Journal of Mathematical Sciences and Informatics Vol. 19, No. 2 …

Generalized Multiresolution Structures in Reducing Subspaces of Local Fields

O Ahmad, NA Sheikh - Acta Mathematica Sinica, English Series, 2022 - Springer
In this article, we introduce the notion of general multiresolution structure (GMS) in the
reducing subspace over local fields. We show that the GMS is admitted by an arbitrary …