Boundedness of bilinear pseudo-differential operators of S 0 , 0 -type on L 2 × L 2
Boundedness of bilinear pseudo-differential operators of S 0 , 0 -type on L 2 × L 2
复制标题
S 0 , 0型双线性伪微分算子在L 2 × L 2 上的有界性
DOI:
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发表时间:
2021
期刊:
影响因子:
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通讯作者:
Naohito Tomita
中科院分区:
文献类型:
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作者:
Tomoya Kato;Akihiko Miyachi;Naohito Tomita
Weextendtheknownresultthatthebilinearpseudo-differentialoperatorswithsymbols in the bilinear Hörmander class BS − n / 2 0 , 0 ( R n ) are bounded from L 2 × L 2 to h 1 . We show that those operators are also bounded from L 2 × L 2 to L r for every 1 < r ≤ 2. Moreover we give similar results for symbol classes wider than BS − n / 2 0 , 0 ( R n ) . We also give results for symbols of limited smoothness