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Abstract: We consider an ordinary fourth-order differential equation with a spectral parameter

In this paper, we use shifted fourth-kind Chebyshev polynomials to construct the operational matrix

in the inverse spectral theory for higher-order differential operators. The example is obtained by a finite

of the fourth-order differential operator from the eigenvalues and two sequences of norming constants. We prove

of this paper can be generalized to differential operators of orders greater than 4 and used for further

fourth-order neutral nonlinear differential equation, driven by a p-Laplace differential operator. Some

order differential operators with distribution coefficients. As a corollary of our general results, we

In the paper we solve the problem on the representability of a fourth order ordinary differential

spaces using the fixed-point technique where the elliptic equation contains fourth-order differential

Страница 1 из 4934