About the Spectral Properties of One Three-Partial Model Operator
G. P. ArzikulovTashkent State Technical University named after Islam Karimov, 2 Universitetskaya str., Tashkent, 100097, Republic of UzbekistanYu. Kh. ÈshkabilovKarshi State University, 17 Kuchabog str., Karshi, 180100, Republic of Uzbekistan
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We investigate the structure of the essential spectrum of one three particle model operator H. We prove the existence of negative eigenvalues of the operator H and obtain the estimate for a number of negative eigenvalues of the operator H.
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