On the Convolution Inequality f ≥ f ⋆ f
On the Convolution Inequality f ≥ f ⋆ f
复制标题
关于卷积不等式 f → f → f
DOI:
10.1093/imrn/rnaa350
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发表时间:
2021
影响因子:
1
通讯作者:
Loss, Michael P
中科院分区:
文献类型:
--
作者:
Carlen, Eric A;Jauslin, Ian;Lieb, Elliott H;Loss, Michael P
We consider the inequalityfor real functions inwheredenotes the convolution ofwith itself. We show that all such functionsare nonnegative, which is not the case for the same inequality infor any, for which the convolution is defined. We also show that all solutions insatisfy. Moreover, if, thenmust decay fairly slowly:, and this is sharp since for all, there are solutions withand. However, if, the decay at infinity can be much more rapid: we show that for all, there are solutions such that for some,.
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影响因子:
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影响因子:
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