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Gladiator
  • Member for 6 years, 4 months
  • Last seen more than 1 year ago
  • Wisconsin
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Top posts
question
4
Why can't sphere be the quotient space of $\Bbb R^2/\Bbb Z^2$?
Jan 27, 2020
question
3
Question regarding Rudin's proof that for $Y \subset X$, $E \subset Y$ is open relative to $Y$ iff $E = Y \cap G$ for some open $G \subset X$
Aug 18, 2018
question
2
Problems regarding the ratio of two definite integrals
Aug 2, 2020
question
1
Proving Neilsen-Schreier Theorem using "only free groups act freely on a tree"
Feb 3, 2020
question
1
Converse statements regarding separable metric space
Feb 29, 2020
question
1
Which graded commutative $R$-algebras occur as cup product algebras $H^\ast(X;R)$ of spaces $X$?
Jul 1, 2021
answer
1
Proving $S_3$ is not a coproduct of cyclic groups
Dec 16, 2019
question
0
Conversion of this recursive formula to a general term of a sequence
Oct 26, 2018
question
0
Change of measure defined by Radon-Nikodym derivative
Dec 9, 2021
answer
0
Proving that the free group on two generators is the coproduct $\mathbb{Z}*\mathbb{Z}$ in $\textbf{Grp}$
Nov 29, 2019