Tigran N. Harutyunyan
The representation of the norming constants by 2 spectra was studied by Levitan, Gasymov (and others) for the Sturm-Liouville problem with boundary conditions , , when and . We investigate the representation by 2 spectra without these restrictions.
Submitted 14 May 2010. Published November 4, 2010.
Math Subject Classifications: 34B24, 34B05, 34B09, 34L15.
Key Words: Sturm-Liouville problem; eigenvalues; norming constants.
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| Tigran N. Harutyunyan|
Department of Mathematics and Mechanics of Yerevan State University
A. Manukian str.1, 0025, Yerevan, Armenia
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