At the Institute seminar leading researcher of the Department “Non-harmonic analysis” Telman Benser oglu Gasymov gave a talk on « SOME PROBLEMS OF SPECTRAL THEORY OF DISCONTINUOUS DIFFERENTIAL OPERATORS ».
The report was devoted to the spectral problems for ordinary differential and quasi-differential operators with discontinuous multipoint and integral boundary conditions. Abstract theorems are proved on the basicity of some systems in type X = X₁ ⊕ … ⊕ X_m Banach spaces which have applications in the spectral theory of discontinuous differential operators, as well as in spectral problems containing the spectral parameter in the boundary conditions.

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