Inverse problems in spectral theory address the challenge of reconstructing differential operators from observed spectral data. This field, rich in both theoretical and applied mathematics, underpins ...
Various classes of analytic, quasi-analytic and other infinitely differentiable functions of a real variable are studied. The paper gives a self-contained treatment by means of an elementary real ...
In this paper, we study existence and stability of solutions to a partial differential equation with 𝜓-fractional derivative. Existence results are established by means of the fixed point and upper ...
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