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有界线性算子超幂的极小模
THE MINIMUM MODULUS OF ULTRAPOWERS OF BOUNDED LINEAR OPERATORS
【摘要】 本文证明了Banach空间中有界线性算子T和它的超幂T有相等的极小模。
【Abstract】 In this paper,we have proved that ultrapower of.a bounded linear operator T in a Banach space has equal minimum modulus to that of the T.
【关键词】 有界性;
线性算子;
极小模;
超幂;
正规能解算子;
超积;
【Key words】 boundedness; linear operator; minimal model; ultrapower; normally solvable operator; ultraproduct;
【Key words】 boundedness; linear operator; minimal model; ultrapower; normally solvable operator; ultraproduct;
- 【文献出处】 华南理工大学学报(自然科学版) ,Journal of South China University of Technology(Natural Science Edition) , 编辑部邮箱 ,1990年02期
- 【分类号】0177.2
- 【下载频次】7