Mathematics
user avatar
user avatar
user avatar
user371231
  • Member for 5 years, 9 months
  • Last seen this week
Profile Activity
Stats
2,251
reputation
29k
reached
7
answers
146
questions
Communities
Badges
View all badges
1
gold badge
8
silver badges
21
bronze badges
Top tags
View all tags
3
Score
42
Posts
27
Posts %
3
Score
21
Posts
14
Posts %
3
Score
20
Posts
13
Posts %
0
Score
71
Posts
46
Posts %
0
Score
42
Posts
27
Posts %
0
Score
42
Posts
27
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
13
Proof of a theorem on simultaneous diagonalization from Hoffman and Kunze.
Mar 13, 2017
question
8
Can the group $\mathbb Z \times \mathbb Z$ be written as union of finitely many proper subgroups of it?
Sep 26, 2019
question
6
There does not exist a onto ring homomorphism from $M_{n+1 \times n+1}(\mathbb F) \to M_{n \times n}(\mathbb F) $ for any field $\mathbb F.$
Aug 20, 2019
question
6
Example of a commutative noetherian ring with $1$ which is neither domain nor local and has a principal prime ideal of height $1.$
Feb 25, 2017
question
6
What is the dimension of $R[[X]]$ where $R$ is a Noetherian ring?
Dec 22, 2016
question
6
$A$ nilpotent and $A+c_iB$ is nilpotent then $B$ is nilpotent.
Jan 7, 2019
question
6
A linear map $T: \mathbb{R^3 \to \mathbb{R^3}}$ has a two dimensional invariant subspace.
Jan 10, 2019
question
5
Does there exist a $1-1$ ring homomorphism from $M_d(\mathbb{F})$ to $M_n(\mathbb{F})$ for $d <n$?
Dec 29, 2018
question
5
How can I show that $v_i\otimes v_j$ is non zero in $V \otimes_\mathbb {F}V$
Jan 26, 2017
question
5
Rank $1$ bilinear form is a product of two linear functionals on a finite dimensional vector space.
Apr 9, 2017

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.