A remark on bilinear pseudo-differential operators with symbols in the Sj\"ostrand class

A remark on bilinear pseudo-differential operators with symbols in the Sj\"ostrand class
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DOI:
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发表时间:
2020-01
期刊:
arXiv: Classical Analysis and ODEs
影响因子:
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通讯作者:
Tomoya Kato
Tomoya Kato
中科院分区:
其他
文献类型:
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作者:
Tomoya Kato

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在这篇短注中,我们考虑符号属于Sjostrand类的双线性伪微分算子。我们证明了这些算子是从基于$L^2$的Soblev空间$H^{S_1}\乘H^{S_2}$到$L^r$的乘积有界的,其中$S_1,S_2>0,$S_1+S_2=n/2$,和$1\leq r\leq 2$.
In this short note, we consider bilinear pseudo-differential operators with symbols belonging to the Sjostrand class. We show that those operators are bounded from the product of the $L^2$-based Sobolev spaces $H^{s_1} \times H^{s_2}$ to $L^r$ for $s_1,s_2 > 0$, $s_1+s_2=n/2$, and $1 \leq r \leq 2$.