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Halbort
  • Member for 9 years, 5 months
  • Last seen more than 3 years ago
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Bound of Coefficients of Fourier Series of Composition
Yes but this does not improve the bound for repeatedly composed functions.
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Bound of Coefficients of Fourier Series of Composition
Yes I know that. Is there anyhting better you can say about the Fourier coefficients of $f(f(x))$ or $f^k(x)$ in general.
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Bound of Coefficients of Fourier Series of Composition
Can you give a bound if they are 1-Holder continuous? What if they are $\alpha$-Holder Continuous for $\alpha > 0$
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Bound of Coefficients of Fourier Series of Composition
What if both functions are uniformly continuous.
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Bound of Coefficients of Fourier Series of Composition
I have added the negative terms. I had forgotten to. Is there some way to give a better bound like $O(n^{-k + \frac{1}{\log(n)}})$ I want to show that the decay of $f^p(x)$ is slower.
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