|Title||On the unconditional bases of cores generated by differential equations of the second order|
|Publication Type||Journal Article|
|Year of Publication||2017|
|Abbreviated Key Title||Dopov. Nac. akad. nauk Ukr.|
We obtain the necessary and sufficient conditions of unconditional basicity of functions that are solutions of second-order equations (Bessel-type), and the spectral parameter belongs to a discrete set coinciding with the zeros of an entire function of the exponential type.
|Keywords||basicity, Bernstein class, Bessel equation, Hilbert space, operator, real function, unconditional basis|
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