Question of $u\in L^p(U)$ does not have a trace on $\partial U$.
86284
A typical $L^p$ function does not have a well-defined trace on the boundary
62971
About smooth approximation in a Sobolev space
128975
Behavior of $\|f\|_p$ when $p$ is near the endpoint of $I$
41173
If $f\in S_\infty$ and $\int_{\mathbb{R}}x^pf(x)d\mu=0$ for all $p\in\mathbb{N}$ then $f\equiv 0$?
95074
Separability of $l^{p}$ spaces
35751
Is There a Problem with This Professor's Proof Concerning Interior and Boundary Points?
51267
Showing a generalized version of the Hölder inequality for $L^{p}$ spaces
110526
Why is $l^\infty$ not separable?
60053
Does the boundary of an open set have measure zero (in $\mathbb{R}^n$)?
20810
Boundary of Ball of radius R has zero measure
102079
If $1\leq p < \infty$ then show that $L^p([0,1])$ and $\ell_p$ are not topologically isomorphic
90284
A function that is $L^p$ for all $p$ but is not $L^\infty$?
56592
The Sobolev Space $H^{1/2}$
49759
Proving that $i\hbar\frac{\partial}{\partial \mathbf{p}}$ is the operator of $\mathbf{x}$ in momentum space
87702
Where are measurable functions not locally integrable?
133500
For an outer measure $m^*$, does $m^*(E\cup A)+m^*(E\cap A) = m^*(E)+m^*(A)$ always hold?
70825
Does convergence in $L^p$ imply convergence almost everywhere?