1,759 reputation
1829
bio website anhhuy.ch
location Switzerland
age 21
visits member for 3 years, 5 months
seen 4 hours ago

My name is Anh Huy Truong and I am currently studying mathematics at the ETH Zürich.


Dec
9
asked Is the matrix corresponding to an equivalence relation positive semidefinite?
Dec
8
awarded  Talkative
Dec
7
comment Showing that a matrix is positive (semi-)definite
@Casteels: Was there a comment that is deleted now?
Dec
5
revised Showing that a matrix is positive (semi-)definite
added 39 characters in body
Dec
5
comment Showing that a matrix is positive (semi-)definite
@Casteels: I'm sorry I completely forgot. The diagonal entries are 1.
Dec
4
asked Showing that a matrix is positive (semi-)definite
Nov
30
awarded  Benefactor
Nov
30
accepted Understanding the intermediate field method for the $\phi^4$ interaction
Nov
29
awarded  Popular Question
Nov
22
awarded  Promoter
Nov
22
comment Planning a mockup maths class for high school related to river reactivation
(or just of river regulation, sorry, I missed the 5 minute edit time span)
Nov
22
comment Planning a mockup maths class for high school related to river reactivation
@WillieWong: It is the inversion of canalisation of a river.
Nov
22
awarded  Informed
Nov
22
revised Understanding the intermediate field method for the $\phi^4$ interaction
I resolved the first question but have different questions now, still very related to the second question, which is why I'm changing the post.
Nov
21
awarded  Yearling
Nov
21
accepted How to show $\mu(\overline{\mathbb{R}}) = \overline{\mathbb{R}}$ iff $a, b, c, d \in \mathbb{R}$ for $\mu(z) = \frac{az+b}{cz+d}$?
Nov
20
asked Understanding the intermediate field method for the $\phi^4$ interaction
Nov
20
accepted Concerning the distribution of a random variable of a random walk that doesn't make any sense to me
Aug
21
accepted Proving Sylow's first theorem
Aug
21
comment Proving Sylow's first theorem
Which implication are you talking about?