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Results tagged with harmonic-analysis
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user 14278
Harmonic analysis is a generalisation of Fourier analysis that studies the properties of functions. Check out this tag for abstract harmonic analysis (on abelian locally compact groups), or Euclidean harmonic analysis (eg, Littlewood-Paley theory, singular integrals). It also covers harmonic analysis on tube domains, as well as the study of eigenvalues and eigenvectors of the Laplacian on domains, manifolds and graphs.
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Is there any result about the uniform convergence rate of multi-dimensional Fourier series
For example in the 1-dimensional case, it is known that if f satisfies the α-Hölder condition, then
$|f(x)-(S_Nf)(x)|\le K \frac{\ln N}{N^\alpha}$
where $S_N f$ is the n-term partial sum of the Fourie …
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