The Kind Cat
Reputation
38,975
97/100 score
4 52 113
Impact
~454k people reached

38,975 Reputation

106 yesterday
 +35 00:48 3 events Let $G$ be a group of order $35$. Prove that $G \cong C_5 \times C_7$. +25 / -4 22:08 4 events When does normal maximal subgroup have prime index? +10 18:20 upvote Structural Induction vs Normal (Mathematical) Induction +10 13:32 upvote In a ring $(A,+, \cdot)$ if $aba = a$ then $bab = b$ and all non zero elements in $A$ are invertible. +10 09:44 upvote Graph Theory Proof of Website Clicks +10 02:54 upvote Show that a ring $R$ is a division ring if and only if, for each nonzero $a\in R$, there is a unique element $b\in R$ such that $aba = a$. +10 02:02 upvote Prove that even $n$ can be partitioned to $\frac n2$ edges
35 2 days ago
 +20 23:58 2 events Let $G$ be a group of order $35$. Prove that $G \cong C_5 \times C_7$. +15 21:18 accept Graph Theory Proof of Website Clicks
80 Feb 10
 +65 20:25 6 events Finding a closed formula for: $1\cdot2\cdot3+2\cdot3\cdot4+…+(n-2)\cdot(n-1)\cdot(n)$ +10 01:50 upvote Smallest $n$ such that $U(n)$ contains a subgroup isomorphic to $\mathbb Z_5 \oplus \mathbb Z_5$ +5 08:03 upvote What is category theory useful for?
30 Feb 9
25 Feb 8
110 Feb 7
90 Feb 6
80 Feb 5
160 Feb 4
10 Feb 3
30 Feb 2
228 Feb 1
220 Jan 31
25 Jan 29
75 Jan 28
80 Jan 27
15 Jan 26
0 Jan 25
25 Jan 24
10 Jan 23
57 Jan 22
40 Jan 21
100 Jan 20
200 Jan 19
75 Jan 18
260 Jan 17
125 Jan 16
75 Jan 15
30 Jan 14
30 Jan 13