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Mathematics
3j iwiojr3's user avatar
3j iwiojr3's user avatar
3j iwiojr3's user avatar
3j iwiojr3
  • Member for 2 years, 9 months
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question
4
Having trouble on proving this topological continuous question in Hatcher's Notes.
Sep 2, 2022
question
3
Monotone converge recursive question
Jul 15, 2022
question
3
A clarification regarding maximal linearly ordered subsets and the Hausdorff maximal principle
Aug 13, 2022
question
3
axiomatic set theory basic question
May 9
answer
3
find closure set of a topology
Nov 9, 2022
question
3
Given a representation of $C_0(Y)$ on $C_0(X)$, trying to find a continuous function that satisfies a certain condition.
Dec 1, 2023
question
2
Proving an equivalent form of the essential spectrum for a self adjoint densely operator.
yesterday
question
2
Proof verification: If $\frac{1}{n}a_n\to0$, then $\frac{1}{n}\max\{a_1,\ldots,a_n\}\to0$.
Jul 5, 2022
question
2
question about $l^\infty(\mathbb{N})$ i.e. the complex bounded sequences.
Oct 16
question
2
Suppose $R$ is a commutative ring and $RR= R$(ideal multiplication). Then, $R$ has an identity.
Oct 27, 2022