Mathematics
Profile Activity
Meta user
Network profile
4,497
reputation
18
20
54

YuiTo Cheng

Wir müssen wissen, wir werden wissen

70
answers
43
questions
~30k
people reached
  • Member for 3 years, 3 months
  • 2,652 profile views
  • Last seen 2 hours ago

Communities (4)

Top Meta Posts
4
4

Top network posts

Top tags (91)

Score 80
Posts 74
Posts % 65
Score 17
Posts 7
Score 15
Posts 13
Score 14
Posts 7
Score 7
Posts 8
Score 4
Posts 6
View all tags →

Top posts (113)

All Questions Answers
Votes Newest
26 Can a nowhere continuous function have a connected graph? Jun 26 '19
24 Numbers of distinct values obtained by inserting $+ - \times \div ()$ in $\underbrace{2\quad2 \quad2 \quad2\quad…\quad 2}_{n \text{ times}}$ Feb 20 '19
22 How well-studied is origami field theory? Feb 18 '19
16 Is there a group $G$ and subgroup $H$, such that there exists $g\in G$ with $gHg^{-1} \subset H$ and $|H:gHg^{-1}|$ is infinite? Feb 21 '19
16 Theorems in the form of “if and only if” such that the proof of one direction is extremely EASY to prove and the other one is extremely HARD [closed] Jan 11 '19
14 A more natural solution to finding the general terms of a recurrence relation in $2$ variables Feb 19 '19
12 Does $\triangle ABC$ exist such that $\triangle ABC \sim \triangle DEF$, with $D, E, F$ being the incentre, centroid, orthocentre of $\triangle ABC$? Feb 15 '19
10 Let $S=\{p(x) \in \mathbb Z[X] :|p(x)| \leq 2^x, \forall x\in \mathbb N\}$. Prove $|S| < \infty$ Feb 22 '19
10 A list of Rudin-style textbooks Dec 20 '18
10 Packing regular tetrahedra of edge length 1 with a vertex at the origin in a unit sphere Jan 4 '19
View all questions and answers →

Badges (92)

Gold

18

Rarest

Silver

20

Rarest

Bronze

54

Rarest

View all badges →

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.