faultfinder
发表于 2025-3-27 00:04:46
https://doi.org/10.1007/b101825ur of the spectrum when the algebra is embedded isometrically into a larger Banach algebra. Also in this chapter we introduce a number of examples which will be used throughout this part to illustrate the general theory. Factorization of elements close to the identity is treated in the last section.
时代
发表于 2025-3-27 01:50:31
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PARA
发表于 2025-3-27 06:05:49
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Exclaim
发表于 2025-3-27 12:37:10
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painkillers
发表于 2025-3-27 14:37:34
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NICE
发表于 2025-3-27 21:10:04
Birkhäuser Advances in Infectious Diseaseslogues of matrices in upper triangular form. Volt erra operators with a one dimensional imaginary part provide the simplest examples and they are identified up to unitary equivalence. In this chapter all operators act on a separable Hilbert space ., and the elements of a chain are assumed to be orth
控诉
发表于 2025-3-28 00:46:33
https://doi.org/10.1007/978-3-0346-0277-8nging problem of .-decomposition of certain operators. The theorems which are presented encompass classical results from Linear Algebra which show that, under certain conditions, a matrix can be represented as a product of a lower with an upper triangular matrix. Also, the possibility of factoring c
heterodox
发表于 2025-3-28 05:51:28
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Pastry
发表于 2025-3-28 09:11:33
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符合你规定
发表于 2025-3-28 10:29:33
https://doi.org/10.1007/b101825mplest infinite dimensional operators, and they may serve as building blocks for more complicated operators. In the first section block forward shifts are identified as pure isometries. In the second section it is shown that block backward shifts provide universal models for arbitrary operators. The