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Unimodular multipliers on $$\alpha$$-modulation spaces: a revisit with new method
Annals of Functional Analysis ( IF 1.2 ) Pub Date : 2020-10-07 , DOI: 10.1007/s43034-020-00089-3
Guoping Zhao , Weichao Guo

By a new method derived from Nicola--Primo--Tabacco[24], we study the boundedness on $\alpha$-modulation spaces of unimodular multipliers with symbol $e^{i\mu(\xi)}$. Comparing with the previous results, the boundedness result is established for a larger family of unimodular multipliers under weaker assumptions.

中文翻译:

$$\alpha$$-调制空间上的单模乘数:重新审视新方法

使用源自 Nicola--Primo--Tabacco[24] 的新方法,我们研究了符号为 $e^{i\mu(\xi)}$ 的单模乘子的 $\alpha$-调制空间上的有界性。与之前的结果相比,在较弱的假设下为更大的单模乘法器族建立了有界结果。
更新日期:2020-10-07
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