Adjoints of slant Toeplitz operators

被引:21
作者
Ho, MC
机构
[1] Department of Applied Mathematics, National Sun Yat-Sen University, Kaohsiung
关键词
42C15; 47C35; 47C38;
D O I
10.1007/BF01320703
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper, we will use the Birkhoff's ergodic theorem to do some finer analysis on the spectral properties of slant Toeplitz operators. For example, we will show that if phi is an invertible L-infinity function on the unit circle, then almost every point in sigma(A(phi)*) is not an eigenvalue of A(phi)*. More specifically, we will show that the point spectrum of A(phi)* is contained in a circle with positive radius.
引用
收藏
页码:301 / 312
页数:12
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