If a function $ f(x) $ depends only on $ |x| $ then its Fourier transform depends only on $ |w| $
100606
Fourier transform of a radial function is radial
101187
Fubini's theorem for series with dependent indices
93825
Fourier transform of power function $t^\alpha$
149634
$ 2|f^{'}(0)| = \sup_{z, w \in D} |f(z)-f(w)|$
137664
What exactly is $F$ in $W = \int_{a}^{b} F dx$?
87119
A positive "Fourier transform" is integrable
132411
Fourier series coefficients proof
16049
Fourier transform of $\int_{-\infty}^{t}f(t)\, dt$
57055
Are $|X|$ and $\operatorname{sgn}(X)$ independent?
132113
Does $f(x) = f(2x)$ for all real $x$, imply that $f(x)$ is a constant function?
17928
How to prove the following expression does not depend on x?
28221
Numerical Fourier transform of a complicated function
154612
$\int_{0}^{x} f(t) dt \ge {f(x)}$ holds or not on $[0,1]$
24126
When functions commute under composition
35982
A function and its Fourier transform cannot both be compactly supported
76074
Fourier Series Representation $e^{ax}$
48498
Fourier coefficients $\langle x,e_k\rangle$ are at countable