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

Sanja Atanasova,Snjezana Maksimovic,Stevan Pilipovic

AXIOMS（2021）

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摘要

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

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关键词

k-directional short-time Fourier transform,ultradistributions,wave front sets

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