Mathematics
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Jhon Doe
  • Member for 5 years, 7 months
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Wanna get better at math

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All Questions Answers
Score Newest
question
10
Subset of totally bounded set is totally bounded.
Feb 26, 2018
question
8
$\mathbb{Q}(\alpha)=\mathbb{Q}(\beta)$ if $\alpha, \beta$ are algebraic over $\mathbb{Q}$ of degree $2$ and $\alpha +\beta$ is a root of a quadratic.
Oct 15, 2018
question
7
If $ U$ is maximal among non-principal ideals show that $U$ is prime. (Hints?)
Mar 3, 2018
question
6
Proof of Uncountable Basis for $\mathbb{N} \to \mathbb{R}$ over $\mathbb{R}$
Feb 12, 2017
question
5
Uncountable basis of vector space of infinite sequences in R [duplicate]
Feb 12, 2017
question
5
Prove that no ordinal is an element of itself
Nov 6, 2017
question
5
Counter-example: If $J$ is prime then $f^{-1} (J) $ is prime. $f$ need not be unital.
Feb 17, 2018
question
5
Addition of continuous functions over topological spaces is continuous.
Apr 16, 2019
question
5
Limit of sequence of Riemann integrable functions is not Riemann integrable.
Aug 30, 2020
question
5
If $(X_n)_{n\in \mathbb{N}}$ is a martingale s.t. $\sup_n E[|X_n|]\leq M < \infty$, then $\sum_{n\geq 2}(X_n-X_{n-1})^2<\infty$ almost surely.
Feb 23, 2021

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