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Results tagged with measure-theory
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user 26648
Questions about abstract measure and Lebesgue integral theory. Also concerns such properties as measurability of maps and sets.
17
votes
1
answer
1k
views
The optimal constant in Vitali covering lemma
Let me restate Vitali covering lemma.
Let $\{B_i\}_{i\in F}$ be a finite collection of balls in the $\mathbb{R}^n$. Then there is $S\subset F$ such that the balls $\{B_i\}_{i\in S}$ are disjoint and
…
2
votes
1
answer
748
views
Apollonian gasket and the degree of convergence
Let $r_1,r_2\dots$ be the radii of Apollonian gasket.
I would like to know for which values $\alpha$ we have
$$\sum_{n=1}^\infty r_n^\alpha<\infty.$$
I know that if three circles $A$, $B$ and $C$ a …
CommunityBot
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