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In this paper, we study various properties of algebraic extension of *-A operator.Specifically, we show that every algebraic extension of *-A operator has SVEP and is isoloid.And if T is an algebraic extension of *-A operator, then Weyl's theorem holds for f(T), where f is an analytic functions on some neighborhood of σ(T) and not constant on each of the components of its domain. 相似文献
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设K是一个代数闭域,A是域K上一个有限维代数.我们利用箭图方法给出了(*)-serial incidence代数的分类. 相似文献
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利用矩阵的Kronecker积定义了一种矩阵乘积"*积",并且对这种乘积的性质进行了研究,发现它对于任意两个矩阵都有意义而且具有通常矩阵乘积的所有性质,并且在一些特殊情况下它比通常的矩阵乘积更和谐对称,而且当在"合适维数"下它就是通常的矩阵乘积,所以可以把这种"*积"看作是对通常矩阵乘积的推广. 相似文献
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Pierre CLARE 《数学年刊B辑(英文版)》2014,35(5):691-702
The author constructs unitary intertwiners for degenerate C*-algebraic uni- versal principal series of SL(n+ 1) over a local field by explicitely normalizing standard intertwining integrals at the level of Hilbert modules. 相似文献
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In two real Banach spaces, we shall present two conditions, under one of which each nonexpansive mapping must be an isometry. 相似文献
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Given a C^*-algebra A and a comultiplication Ф on A, we show that the pair (A, Ф) is a compact quantum group if and only if the associated multiplier Hopf ^*-algebra (A, ФA) is a compact Hopf ^*-algebra. 相似文献
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在对偶w~*-可分的情况下,证明了两类Banach空间具有球覆盖性质,即:它们是1)光滑空间;2)具有MIP的空间. 相似文献