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The ℓp norm of the Riesz–Titchmarsh transform for even integer p
Journal of the London Mathematical Society ( IF 1.2 ) Pub Date : 2024-03-27 , DOI: 10.1112/jlms.12888 Rodrigo Bañuelos 1 , Mateusz Kwaśnicki 2
Journal of the London Mathematical Society ( IF 1.2 ) Pub Date : 2024-03-27 , DOI: 10.1112/jlms.12888 Rodrigo Bañuelos 1 , Mateusz Kwaśnicki 2
Affiliation
The long-standing conjecture that for the norm of the Riesz–Titchmarsh discrete Hilbert transform is the same as the norm of the classical Hilbert transform, is verified when or , for . The proof, which is algebraic in nature, depends in a crucial way on the sharp estimate for the norm of a different variant of this operator for the full range of . The latter result was recently proved by the authors (Duke Math. J. 168 (2019), no. 3, 471–504).
中文翻译:
偶数 p 的 Riesz–Titchmarsh 变换的 ℓp 范数
长期以来的猜测是,对于这Riesz–Titchmarsh 离散希尔伯特变换的范数与经典希尔伯特变换的范数,在以下情况下得到验证或者, 为了。这个证明本质上是代数的,在很大程度上取决于对该运算符的不同变体的范数适用于整个范围。后一个结果最近被作者证明(Duke Math. J . 168 (2019), no. 3, 471–504)。
更新日期:2024-03-27
中文翻译:
偶数 p 的 Riesz–Titchmarsh 变换的 ℓp 范数
长期以来的猜测是,对于这Riesz–Titchmarsh 离散希尔伯特变换的范数与经典希尔伯特变换的范数,在以下情况下得到验证或者, 为了。这个证明本质上是代数的,在很大程度上取决于对该运算符的不同变体的范数适用于整个范围。后一个结果最近被作者证明(Duke Math. J . 168 (2019), no. 3, 471–504)。