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arXiv math/0004049math.FAmath.SP
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拓扑向量空间上有界算子的谱半径

Spectral Radii of Bounded Operators on Topological Vector Spaces

Vladimir G. Troitsky

摘要:

本文发展了拓扑向量空间上有界线性算子的谱理论。我们证明了在拓扑向量空间上,Gelfand的谱半径公式和Neumann级数仍然可以自然地解释。当然,所得到的理论与巴拿赫空间上的有界算子的传统谱理论有许多相似之处,尽管有几个重要的区别。主要的区别是拓扑向量空间上的算子有几个谱和几个谱半径,它们符合一个组织良好的模式。

英文摘要:

In this paper we develop a version of spectral theory for bounded linear operators on topological vector spaces. We show that the Gelfand formula for spectral radius and Neumann series can still be naturally interpreted for operators on topological vector spaces. Of course, the resulting theory has many similarities to the conventional spectral theory of bounded operators on Banach spaces, though there are several important differences. The main difference is that an operator on a topological vector space has several spectra and several spectral radii, which fit a well-organized pattern.

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