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Jan
22
awarded  Famous Question
Jan
16
comment $A$ and $B$ homeomorphic if they are different sets in bigger topological space
No. ${}{}{}{}{}{}$
Dec
23
comment Sum of like powers equal to a power
While you´re asking a different question, this seems related.
Dec
12
revised Lagrange's identity in the complex form
added 3 characters in body
Dec
10
awarded  Revival
Dec
9
awarded  Popular Question
Nov
2
awarded  Popular Question
Oct
24
awarded  Notable Question
Oct
23
revised Prove $\ker(T^n)=\ker(T^{n+1})$ and $\operatorname{range}(T^n)=\operatorname{range}(T^{n+1}).$
deleted 1 character in body
Sep
30
comment What is the definition of a set?
Which set theory are they talking about when they say that the thing which has, say, all the rings is not set? Why is not good to consider such a thing a set?
Sep
12
revised How to show $\lim_{n \to \infty} a_n = \frac{ [x] + [2x] + [3x] + \dotsb + [nx] }{n^2} = x/2$?
added 1 character in body
Sep
8
awarded  Revival
Sep
5
comment Every subset of $\mathbb{R}$ with finite measure is the disjoint union of a finite number of measurable sets
Related
Aug
26
revised What has “$\delta$ Gromov hyperbolic space” got to do with $\mathbb{H}_n$?
Title
Aug
24
revised Can the Intermediate Value Theorem be proved by Heine-Borel Lemma?
added 58 characters in body
Aug
24
answered Can the Intermediate Value Theorem be proved by Heine-Borel Lemma?
Aug
23
answered Is this proof for the Intermediate Value Theorem correct?
Aug
23
answered Proof Verification: Converse of Intermediate Value Theorem
Aug
12
answered Radius of the spherical image of a circle
Aug
9
comment Boundary of closure of open set in $\mathbb R^2$ has measure zero
This seems related.