Quasidiagonal weighted shifts on directed trees

被引：0
|
作者：
Marcoux, Laurent W. [1 ]
Planeta, Artur [2 ]
机构：
[1] Univ Waterloo, Dept Pure Math, Waterloo, ON N2L 3G1, Canada
[2] Agr Univ Krakow, Katedra Zastosowan Matematyki, PL-31120 Krakow, Poland
来源：
STUDIA MATHEMATICA | 2023年 / 273卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
quasidiagonal operators; weighted shifts on directed trees; adja-cency operators;
D O I：
10.4064/sm220830-7-8
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We investigate quasidiagonality of weighted shifts on directed trees. We concentrate mainly on a subclass of weighted shifts operators called adjacency operators. In particular, we provide equivalent conditions for quasidiagonality of adjacency operators in terms of the structure of directed trees.
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页码：101 / 138
页数：38
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