How can one compute the Neumann spectral fractional Laplacian of power function, $(-\Delta)^s x^{\alpha}$, with $\alpha >0$, in an interval $(0,1)$. I'm only aware of the formula in the whole space.
Explicit formula for spectral fractional Laplacian in interval
fa.functional-analysisap.analysis-of-pdesca.classical-analysis-and-odessemigroups-of-operatorsfractional-calculus
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