Unitary Flows with Tensor Simple Spectrum

被引:0
作者
Ryzhikov, V. V. [1 ]
机构
[1] Lomonosov Moscow State Univ, Fac Mech & Math, Moscow, Russia
关键词
unitary flow; weak closure; spectrum; tensor product of operators;
D O I
10.1134/S0016266322040116
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Unitary flows T-t of dynamical origin such that, for any countable Q subset of (0,+ infinity), the spectrum of the tensor product circle times(q is an element of Q) T-q is simple are constructed. All typical flows preserving a sigma-finite measure have this property.
引用
收藏
页码:327 / 330
页数:4
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