کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4602859 | 1631165 | 2009 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A note on noncommutative unique ergodicity and weighted means
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
اعداد جبر و تئوری
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چکیده انگلیسی
In this paper we study unique ergodicity of C∗C∗-dynamical system (A,T)(A,T), consisting of a unital C∗C∗-algebra AA and a Markov operator T:A↦AT:A↦A, relative to its fixed point subspace, in terms of Riesz summation which is weaker than Cesaro one. Namely, it is proven that (A,T)(A,T) is uniquely ergodic relative to its fixed point subspace if and only if its Riesz means1p1+⋯+pn∑k=1npkTkxconverge to ET(x)ET(x) in AA for any x∈Ax∈A, as n→∞n→∞, here ETET is an projection of AA to the fixed point subspace of T. It is also constructed a uniquely ergodic entangled Markov operator relative to its fixed point subspace, which is not ergodic.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Linear Algebra and its Applications - Volume 430, Issues 2–3, 15 January 2009, Pages 782–790
Journal: Linear Algebra and its Applications - Volume 430, Issues 2–3, 15 January 2009, Pages 782–790
نویسندگان
Luigi Accardi, Farrukh Mukhamedov,