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Questions Tagged with "harmonic analysis"

Explore solved questions tagged with "harmonic analysis" or help others by answering their unsolved questions related to "harmonic analysis".

What is the Fourier transform of the bump function $e^{-frac{1}{1-|x|^2}}$?

0 answer

Mathematics Asked 2 years ago by Medo

Limit of integral containing $e^{iomega L(frac{pi}{2}-tau)}$ as $Lto infty$

0 answer

Mathematics Asked 2 years ago

Does there exist a function which is real-valued, non-negative and bandlimited?

1 answer

Mathematics Asked 2 years ago by Muzi

Modern example of a reciprocity law and intuition behind it

0 answer

MathOverflow Asked 2 years ago

Twisted winding number

1 answer

MathOverflow Asked 3 years ago by Jack L.

Confusion on analytic continuation.

1 answer

Mathematics Asked 3 years ago

Commutator estimates regarding pseudo-differential operators

0 answer

MathOverflow Asked 3 years ago by Shaoyang Zhou

With Khinchine's inequality, prove Fourier basis is unconditional in $L^{p}[0,1]$ only for $p=2$

0 answer

MathOverflow Asked 3 years ago by Eric Yan

Distance from vectors in $mathbb{Z}^d$ to the cube $[-1/2,1/2]^d$

1 answer

Mathematics Asked 3 years ago by Oliver Diaz

Sparse perturbation

0 answer

MathOverflow Asked 3 years ago by Yiming Xu

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