Bogachev's example: $C+C = [0,2]$ and $C-C = [-1,1]$ where $C$ is the Cantor set
95947
Cantor set + Cantor set =$[0,2]$
133206
Is the Cantor set made of interval endpoints?
272
Cantor Sets/nonempty/cardinality
117777
What are the zero divisors of $C[0,1]$?
42603
How can I prove that the cadinality of a set minus a finite number of elements of it is still the same as the original set?
132382
Showing a set is nowhere dense in $C([0,1])$
135577
Prove the existence of $c$ such that $f'(c) = 2c(f(c) - f(0))$
48727
Why is the Cantor set not defined by a limit?
123613
Double Complement of a set proof
10909
$|A \cup B| = \mathfrak{c}$, then $A$ or $B$ has cardinality $\mathfrak{c}$.
154240
Inverse of Heine–Cantor theorem
137711
Alternative proof that $[\Bbb{Q}(\zeta_n) : \Bbb{Q} ]= \varphi(n)$ uses circular reasoning?
4467
Proving Cantor's theorem
116676
Examples of uncountable sets with zero Lebesgue measure
154534
consider the following subsets of complex plane
13906
How to prove the set $S$ is closed under the binary operation $a*b=a+b+kab$?
26343
Number of certain (0,1)-matrices, Stanley's Enumerative Combinatorics