Characterization of Wave Fronts of Ultradistributions Using Directional Short-Time Fourier Transform

Sanja Atanasova; Snježana Maksimović; Stevan Pilipović

doi:10.3390/axioms10040240

Axioms (Sep 2021)

Characterization of Wave Fronts of Ultradistributions Using Directional Short-Time Fourier Transform

Sanja Atanasova,
Snježana Maksimović,
Stevan Pilipović

Affiliations

Sanja Atanasova: Faculty of Electrical Engineering and Information Technologies, Ss. Cyril and Methodius University, Rugjer Boshkovik 18, 1000 Skopje, North Macedonia
Snježana Maksimović: Faculty of Architecture, Civil Engineering and Geodesy, University of Banja Luka, Stepe Stepanovića 77/3, 78000 Banja Luka, Bosnia and Herzegovina
Stevan Pilipović: Faculty of Sciences and Mathematics, University of Novi Sad, Trg Obradovića 4, 21000 Novi Sad, Serbia

DOI: https://doi.org/10.3390/axioms10040240
Journal volume & issue: Vol. 10, no. 4
p. 240

Abstract

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In this paper we give a characterization of Sobolev k-directional wave front of order p∈[1,∞) of tempered ultradistributions via the directional short-time Fourier transform.

Published in Axioms

ISSN: 2075-1680 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Mathematics
Website: http://www.mdpi.com/journal/axioms

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