Sunni

1,627
Reputation
1353 views
Is this your account?

Registered User 

Name Sunni
Member for 3 years
Seen Dec 17 2011 at 15:24
Website
Location Xianyang
Age 26
To learn and to share. Email: miwalin.math@gmail.com
28

Questions
votes newest views recent
12
20
votes
8
answers
4k
views

Is there a good reason why a^{2b} + b^{2a} <= 1 when a+b=1?

may 12 at 18:55 Rhett Butler 1●1●6●12

6
17
votes
3
answers
1k
views

What is the combinatorial intepretation to this identity?

apr 18 10 at 10:57 Sune Jakobsen 1,009●1●8●23

7
13
votes
15
answers
2k
views

Particular problem solved by solving a more general problem.

dec 14 10 at 11:12 Aravind 61●4

3
11
votes
4
answers
1k
views

How to prove a known inequality from a book

jul 3 11 at 23:25 Sunni 1,627●7●22

3
8
votes
8
answers
2k
views

Examples of inequality implied by equality.

jun 22 10 at 14:39 Andrey Rekalo 13.9k●1●32●68

 
6
votes
1
answer
424
views

On a positivity of a matrix with trace entries.

may 9 10 at 3:05 Sunni 1,627●7●22

2
6
votes
2
answers
311
views

The odd power of copositive matrix

jun 24 11 at 2:38 S. Sra 10k●1●16●44

4
6
votes
1
answer
253
views

Eigenspace of Euclidean distance matrix.

aug 8 11 at 14:55 Tom Leinster 13.5k●1●40●82

3
5
votes
3
answers
1k
views

A question on a trace inequality

apr 11 10 at 4:40 Jon 149●1●5

2
5
votes
2
answers
208
views

How to find a solution to a particular Bottcher equation

mar 25 10 at 14:22 MathOverflow♦ 1●2●3

1 2 3 next

 

7

Answers
votes newest views recent
9
What is your favorite “strange” function?
5
Most helpful math resources on the web
5
Proofs without words
3
Linear Algebra Problems?
2
monotonicity from 4 term-recursion.
2
What’s your favorite equation, formula, identity or inequality?
1
Is there a relation between $P^*|D|P$ and $|P^*DP|$?

 

120

Votes
80
40

 

19

Tags
× 9
× 9
× 8
× 6
× 5
× 4
× 3








 

29

Badges
● Necromancer× 2
● Yearling× 3
● Popular Question× 8
● Notable Question
 ● Nice Question× 4
● Organizer
● Peer Pressure
● Disciplined
 ● Enthusiast
● Teacher
● Scholar
● Critic
 ● Commentator
● Editor
● Supporter
● Student