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Nonlinear neutral delay differential equations of fourth-order: Oscillation of solutionsThe objective of this paper is to study oscillation of fourth-order neutral differential equa

Solution of the Goursat problem for a fourth-order hyperbolic equation with singular coefficients by the method of transmutation operators of the Goursat problem for a fourth-order hyperbolic equation with a singular Bessel operator

A Problem for a Factorized Equation with a Pseudoparabolic Differential Operator© 2020, Allerton Press, Inc. We state a new problem for a fourth-order factorized differential

A navier–stokes-type problem with high-order elliptic operator and applicationsThe existence, uniqueness and uniformly Lp estimates for solutions of a high-order abstract Navier

On the index of elliptic operators associated with a diffeomorphism of a manifold and the symbol of a pseudodifferential operator of order zero is treated as a smooth function. The index formula

Inverse problem of the calculus of variations for systems of differential-difference equations of second orderThe inverse problem of the calculus of variations for second-order nonlinear and linear systems

The normality of some elliptic functional-differential operators of second orderThe normality of some elliptic functional-differential operators of second order

Transformation Operators for Fractional Order Ordinary Differential Equations and Their ApplicationsTransformation Operators for Fractional Order Ordinary Differential Equations

Necessary condition for the existence of an intertwining operator and classification of transmutations on its basisThe authors study second-order ordinary differential operators with functional coefficients for all

A Note on the Fourth-Order Differential Equations of the fourth-order nonlinear ordinary differential equation is established. © 2024 American Institute

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