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PhoemueX
  • Member for 10 years, 2 months
  • Last seen more than a week ago
  • Germany
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question
15
For what LCH groups is the Haar measure $\mu(U x U)$ bounded?
Aug 17, 2021
question
9
Existence of Laurent series with zeroes at $e^{2n}$ ($n \in \Bbb{N}_0$) and extremely fast coefficient decay
Feb 8, 2019
question
7
Characterizing the sum $L^1 + L^\infty + L^{1,\infty} + L^{\infty, 1}$ of iterated Lebesgue spaces "by duality"
Jun 19, 2017
question
6
Reverse Hausdorff Young for nonnegative functions
Oct 7, 2014
answer
6
Can the integration of integrable sections of a measurable function of two variables ever result in a non-measurable function?
Oct 31, 2016
question
5
Existence of $A\subset\Bbb{R}^n$ of finite measure and $\hat{1_A}\in\bigcap_{q>1}L^q$, but s.t. for some $1<p<\infty$, $1_A$ is no $L^p$-Fourier mult
Oct 28, 2017
question
5
Sufficient criteria for $X \subset \mathcal{H}$ to be a Lipschitz (or unif. cont.) retract of $\mathcal{H}$
Dec 19, 2017
question
5
Existence of Laurent series with zeroes at $𝑒^{2𝑛}$ ($𝑛∈ℕ_0$) and even faster coefficient decay
Feb 12, 2019
question
3
How linearly independent are orthonormal wavelet systems (Daubechies wavelets)?
Sep 13
question
2
Existence of unbounded $M \subset \Bbb{R}$ of finite measure s.t. $1_M$ is $L^p$-Fourier multiplier
Apr 22, 2018
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51
Is there a function whose antiderivative can be found but whose derivative cannot?
40
Measurability of an a.e. pointwise limit of measurable functions.
30
Is it possible to characterize completeness of a normed vector space by convergence of Neumann series?
29
Is every Lipschitz continuous function is holder continuous with exponent $\in (0,1)$?
27
On clarifying the relationship between distribution functions in measure theory and probability theory