Newbetuts
.
New posts in fourier-analysis
average of maximal function is less than its infimum?
real-analysis
functional-analysis
fourier-analysis
harmonic-analysis
Fourier Transform of complicated product: $(1+x)^2 e^{-x^2/2}$
fourier-analysis
$\int_{\mathbb{R}}f(x)e^{-ixz}d\mu_x$ analytic for $f\in L_1$
complex-analysis
functional-analysis
fourier-analysis
lebesgue-integral
Mistake in proof of Lemma 2.3 in Chapter 3 of Stein and Shakarchi's Fourier Analysis
real-analysis
analysis
fourier-analysis
fourier-series
Recommended books/links for Fourier Transform beginners?
reference-request
fourier-analysis
3D Fourier transform
calculus
fourier-analysis
$W^{s,p}(\mathbb{R}^{n})$ Is Not Closed Under Multiplication when $s\leq n/p$
functional-analysis
fourier-analysis
sobolev-spaces
littlewood-paley-theory
fractional-sobolev-spaces
Computing the Fourier transform of $H_k(x)e^{-x^2/2}$, where $H_k$ is the Hermite polynomial.
fourier-analysis
power-series
hilbert-spaces
fourier-transform
hermite-polynomials
Limit of maximum of $f_{n}(x)=\frac{1}{n}(\sin{x}+\sin{(2x)}+\cdots+\sin{(nx)})$
real-analysis
sequences-and-series
limits
fourier-analysis
trigonometric-series
Integral of inverse Laplace transform
complex-analysis
fourier-analysis
laplace-transform
contour-integration
Fourier Transform of $\frac{1}{\sqrt{|x|}}$
complex-analysis
fourier-analysis
fourier-transform
For which $s\in\mathbb R$, is $H^s(\mathbb T)$ a Banach algebra?
analysis
functional-analysis
fourier-analysis
sobolev-spaces
banach-algebras
Are the Euler-Maclaurin formula and the Poisson summation formula related?
complex-analysis
complex-numbers
fourier-analysis
poisson-summation-formula
Sup norm of Fourier transform of $ \frac{\sin |x|}{|x|^\lambda} \mathbb 1_{\{2^k\le |x| <2^{k+1}\}}, \ 0<\lambda<n $
functional-analysis
fourier-analysis
fourier-transform
harmonic-analysis
bessel-functions
Cesaro summable implies that $c_{n}/n$ goes to $0$
real-analysis
analysis
fourier-analysis
fourier-series
A function is $L^2$-differentiable if and only if $\xi\widehat{f}(\xi) \in L^2$.
real-analysis
functional-analysis
fourier-analysis
What's the Fourier transform of these functions?
fourier-analysis
distribution-theory
Finding the period of a nonlinear ODE
ordinary-differential-equations
fourier-analysis
dynamical-systems
nonlinear-system
periodic-functions
How do I show that the integral of $e^{inx}$ over a set of measure $1$ is nonzero for some nonzero $n$?
fourier-analysis
lebesgue-integral
When is a Fourier series analytic?
fourier-analysis
power-series
analyticity
Prev
Next