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Information × Registration Number 0206U002408, 0104U002122 , R & D reports Title 3. Harmonic analysis methods in function theory and spectral theory of linear operators popup.stage_title Head 3. Kondratyuk Andriy Andriyovych, Registration Date 07-02-2006 Organization Ivan Franko National University of Lviv. Journalism Department popup.description2 The objects of the investigation are the meromorphic functions, Rimann's dzeta-function, the Shturm-Liouville operators, perturbation of the proper extension of semicontinuous restrictions of PDO. The aim of the investigation is to develop the Fourier series methods and Nevanlinna value distribution theory for half-strip and annuli; to describe the spectral properties of the S.-L. operators; to get the conditions of maximal dissipativness, accumulativeness and selfadjointness. Product Description popup.authors popup.nrat_date 2020-04-02 Close