Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta User
Network Profile
363
reputation
5
20

user313212

Apparently, this user prefers to keep an air of mystery about them.

1
answer
141
questions
~21k
people reached
  • Member for 3 years, 2 months
  • 246 profile views
  • Last seen 22 hours ago

Communities (13)

Top Network Posts

Top Tags (145)

Score 0
Posts 27
Posts % 19
Score 0
Posts 25
Score 0
Posts 25
Score 0
Posts 17
Score 0
Posts 17
Score 0
Posts 14
View all tags →

Top Posts (142) All Questions Answers | Votes Newest

9 Where is the mistake in this “proof” of the inconsistency of ZFC? Oct 30 '18
7 Is every group homomorphism the induced homomorphism of a continuous function? Oct 25 '17
7 Prove or disprove that $\mathbb{R}^2 / \mathfrak{S}$ is homeomorphic to $\mathbb{R}/ \mathfrak{R} \times \mathbb{R} / \mathfrak{R}$ Aug 8 '16
7 Are there any other interesting topologies on $\mathrm{Spec} (A)$ other than Zariski's? May 2 '17
5 Why is the structure sheaf (sheaf of rings) $\mathcal{O}$ on $\mathrm{Spec}\ A$ a sheaf? May 7 '17
5 What are the values of the following integrals? Aug 20 '17
4 If every open set of a metric space $(X, \rho)$ is $\mu^*$-measurable, then $\mu^*$ is a metric outer measure. Jul 24 '17
4 How to rigorously prove that $S^1 \wedge S^1 \cong S^2$? Nov 9 '17
4 Find all parallel vector fields along a curve May 26 '18
4 Are integral curves of a vector field $X$ such that $\nabla_X X = 0$ geodesics? May 28 '18
View all questions and answers →

Badges (25)

Gold

—

Silver

5

Rarest

Bronze

20

Rarest

View all badges →