Toeplitz Products on Bergman-Sobolev Spaces over the Unit Polydisk

• 作者: Li HE
• 来源期刊: 数学学报（英文版）
• 年，卷（期）: 2021,（9）
• 页码范围: 1349-1366
• 页数: 18页
• 语种: 英文

摘要

In this paper,we characterize the compactness and Fredholmness of Toeplitz operators and Toeplitz products on Bergman-Sobolev spaces over the unit polydisk.We also calculate the essential norm of finite sums of finite Toeplitz products on these spaces.