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arXiv 2201.12350math.FA
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Heisenberg群上带乘子的里斯变换的分解子的端点弱Schatten类估计和迹公式

Endpoint weak Schatten class estimates and trace formula for commutators of Riesz transforms with multipliers on Heisenberg groups

Zhijie Fan, Ji Li, Edward McDonald, Fedor Sukochev, Dmitriy Zanin

摘要:

沿着Rochberg-Semmes,Lord-McDonald-Sukochev-Zanin和Fan-Lacey-Li关于算子的奇异值估计的思路,利用符号$f$的齐次Sobolev范数,建立了Heisenberg群上带乘算子$M_f$的里斯变换的算子的端点弱Schatten类估计.我们利用的新工具是海森堡群上的奇异迹公式的构造,它与双算子积分的使用一起,使我们能够绕过使用傅里叶分析,并为研究一般分层李群中类似算子的奇异值估计提供了坚实的基础。

英文摘要:

Along the line of singular value estimates for commutators by Rochberg-Semmes, Lord-McDonald-Sukochev-Zanin and Fan-Lacey-Li, we establish the endpoint weak Schatten class estimate for commutators of Riesz transforms with multiplication operator $M_f$ on Heisenberg groups via homogeneous Sobolev norm of the symbol $f$. The new tool we exploit is the construction of a singular trace formula on Heisenberg groups, which, together with the use of double operator integrals, allows us to bypass the use of Fourier analysis and provides a solid foundation to investigate the singular values estimates for similar commutators in general stratified Lie groups.

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