On a certain class of commuting systems of linear operators |
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Authors: | V A Zolotarev |
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Institution: | 1. Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, Kharkov, Russia 2. V. N. Karazin Kharkiv National University, Kharkiv, Ukraine
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Abstract: | In this paper we describe the class of commuting pairs of bounded linear operators {A 1,A 2} acting on a Hilbert space H which are unitarily equivalent to the system of integrations over independent variables $$ (\tilde A_1 f)(x,y) = i\int_x^a {f(t,y)} dt, (\tilde A_2 f)(x,y) = i\int_y^b {f(x,s)} ds $$ in $ L_{\Omega _L }^2 $ , where ?? L is the compact set in ? + 2 bounded by the lines x = a and y = b and by a decreasing smooth curve L = {((x, p(x)): p(x) ?? C 0,a] 1 , p(0) = b, p(a) = 0}. |
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