Abstract
In the present work, two-dimensional mixed problems with the Caputo fractional order differential operator are studied using the Fourier method of separation of variables. The equation contains a linear transformation of involution in the second derivative. The considered problem generalizes some previous problems formulated for some fourth-order parabolic-type equations. The basic properties of the eigenfunctions of the corresponding spectral problems, when they are defined as the products of two systems of eigenfunctions, are studied. The existence and uniqueness of the solution to the formulated problem is proved.
| Original language | British English |
|---|---|
| Article number | 131 |
| Journal | Fractal and Fractional |
| Volume | 7 |
| Issue number | 2 |
| DOIs | |
| State | Published - Feb 2023 |
Keywords
- biorthonormal system
- differential equation with involution
- eigenfunctions
- eigenvalues
- fractional differential operator
- Riesz basis