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林华新 《数学年刊B辑(英文版)》1989,(4)
This paper considers positive Iinear functionals f defined on a dense -subalgebra, which is an analogue of the continuous functions with compact supports, of a C_*-algebra. L~1-spaces associated with f are studied. Also introduced is an analogue of the bounded Borel functions vanishing at infinity. 相似文献
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设E为C*代数A上可数生成的Hilbert模,B(E)为E上有界模映射全体,则B(E)保距同构于K(E)的左乘子,其中K(E)为E上“紧”模映射全体。当A为无限维本原C*代数且E为自对偶模,则E为代数有限生成。 相似文献
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Lin Huaxin 《数学年刊B辑(英文版)》1992,13(4):422-429
Let A be a C~*-algebra and x an element in A. the following invariant subspace problem is considered: Does there exist an irreducible representation π of A such that π(x) has a non-trivial invarint subspace? And a positive solution of the problem for finite separable matroid C~*-algebras is given. Also the eigenvalues Of elements in C~*-algebras is considered. Some versions of Fredholm Alternatives are given. 相似文献
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