Fourier transform (algebra involving expansion)
2678
Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$
136996
Fourier transform of function composition
51392
What does it mean to Fourier transform a ladder operator (in the input-output formalism)?
93825
Fourier transform of power function $t^\alpha$
119243
Taylor Series Expansion of $\frac{1}{\sin 2x}$ and $\frac{1}{1-e^{-x}}$
97942
Given a Fourier series $f(x)$: What's the difference between the value the expansion takes for given $x$ and the value it converges to for given $x$?
12698
Orthonormal basis for $\mathcal{L}^2([0,1])$
124335
An identity for Fourier transform of measure
106531
A Fourier transform of a continuous $L^1$ function
142445
Laurent series expansion of a given function
39697
Integration of $e^{ax}\cos bx$ and $e^{ax}\sin bx$
131408
Find the expansion for $\det(I+\epsilon A)$ where $\epsilon$ is small without using eigenvalue.
74664
A question regarding power series expansion of an entire function
13671
Fourier Transform of Various Tempered Distributions
41946
Find the Fourier transform of the absolute value of a function, given its Fourier transform
33944
Describe $\mathbb{R}[x]/(x^{2}+ax+b)$ where $a,b \in \mathbb{R}$
153271
Fourier transform is uniformly continuous