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Top Questions
7
votes
Can this expression be simplified? (double integral over a sphere in $\mathbb{R}^3$.
real-analysis
calculus
integration
asked Mar 21, 2019 at 0:08
math.stackexchange.com
7
votes
Why are we interested in operators that share a basis of eigenfunctions?
reference-request
fa.functional-analysis
operator-theory
ergodic-theory
billiards
asked Apr 25, 2020 at 1:46
mathoverflow.net
6
votes
Can this operator taking boundary conditions for the wave equation be extended to $L^p$?
real-analysis
functional-analysis
pde
asked Mar 9, 2019 at 20:32
math.stackexchange.com
6
votes
Composite of fields of the form $\sigma(K)$ is precisely $L$
abstract-algebra
galois-theory
asked Mar 25, 2018 at 20:10
math.stackexchange.com
6
votes
Using the constructive definition of a CW-complex to prove that it is Hausdorff.
algebraic-topology
cw-complexes
asked Oct 1, 2018 at 21:33
math.stackexchange.com
5
votes
What's wrong with my deformation retract?
algebraic-topology
fake-proofs
asked Nov 17, 2018 at 22:18
math.stackexchange.com
5
votes
How to show that the Billiard flow is invariant with respect to the area form $\sin(\alpha)d\alpha\wedge dt$
geometry
differential-geometry
dynamical-systems
billiards
asked Feb 11, 2020 at 5:02
math.stackexchange.com
5
votes
Prove $\lvert|x+ y|^{p-1}(x+y)-|x|^{p-1}x-|y|^{p-1}y\rvert\le C(|x|^\epsilon |y|^{p-\epsilon}+|x|^{p-\epsilon}|y|^\epsilon)$ for all $x, y$
inequality
reference-request
asked Aug 2, 2023 at 15:45
math.stackexchange.com
Top Answers
7
Example of a bounded linear functional $T:L^ \infty \to \mathbb{R}$ which cannot be expressed by an integral $\int_{[a,b]}fg$ for an integrable $f$
math.stackexchange.com
6
Which is the probability that a group of 10 people exceed the maximum load?
math.stackexchange.com
6
Proof that $0=1$?
math.stackexchange.com
5
A sequence of rationals converging to an irrational point (proving that $\mathbb Q$ is not locally compact)
math.stackexchange.com
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