Oscillatory properties of selfadjoint boundary problems of the fourth order

Vladimirov, A.; Shkalikov, A.

doi:10.1090/spmj/1794

Oscillatory properties of selfadjoint boundary problems of the fourth order
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by A. A. Vladimirov and A. A. Shkalikov
Translated by: S. V. Kislyakov

St. Petersburg Math. J. 35 (2024), 83-100

DOI: https://doi.org/10.1090/spmj/1794

Published electronically: April 12, 2024

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Abstract:

A series of results and methods is presented, which make it possible to trace the relationship between the number of inner zeros of nontrivial solutions of fourth order selfadjoint boundary problems with separated boundary conditions and the negative inertia index.

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