On conditions under which the sum of self-adjoint operators with given integer spectra is a scalar operator |
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Authors: | R V Hrushevoi |
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Institution: | (1) Institute of Mathematics, Ukrainian National Academy of Sciences, Kyiv, Ukraine |
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Abstract: | We describe the set
of parameters γ for which there exists a decomposition of the operator γI
H in a sum of n self-adjoint operators with spectra from the sets M
1, …, M
n, M
i = 0, 1, …, k
i, for n ≥ 4 and, in some cases, for n = 3.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 60, No. 4, pp. 470–477, April, 2008. |
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Keywords: | |
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