1,854 reputation
21137
bio website anhhuy.ch
location Switzerland
age 22
visits member for 4 years
seen 19 hours ago

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


Jun
24
accepted For $G$ group and $H$ subgroup of finite index, prove that $N \subset H$ normal subgroup of $G$ of finite index exists
Jun
24
asked What is the orbit of a permutation?
Jun
24
accepted Proving that every finite group has a composition series
Jun
24
comment For $G$ group and $H$ subgroup of finite index, prove that $N \subset H$ normal subgroup of $G$ of finite index exists
For the third statement of the first isomorphism theorem, am I correct that this just follows from the universal property of factor groups?
Jun
24
asked Proving that every finite group has a composition series
Jun
24
asked For $G$ group and $H$ subgroup of finite index, prove that $N \subset H$ normal subgroup of $G$ of finite index exists
Apr
29
awarded  Popular Question
Apr
25
accepted How to show $\dim_\mathcal{H} f(F) \leq \dim_\mathcal{H} F$ for any set $F \subset \mathbb{R}$ and $f$ continuously differentiable?
Apr
17
asked How to show $\dim_\mathcal{H} f(F) \leq \dim_\mathcal{H} F$ for any set $F \subset \mathbb{R}$ and $f$ continuously differentiable?
Apr
17
awarded  Nice Question
Apr
13
awarded  Notable Question
Mar
23
awarded  Good Question
Mar
20
asked What is an evaluation operator and what is its use?
Jan
29
accepted Questions regarding the complex logarithm and complex integration
Jan
28
comment Questions regarding the complex logarithm and complex integration
@rlgordonma: Yes, I do. I fixed the typo.
Jan
28
revised Questions regarding the complex logarithm and complex integration
edited body
Jan
28
asked Questions regarding the complex logarithm and complex integration
Jan
24
accepted For linear $A: V \to V$ strictly positive definite, does there exist linear $B: V \to V$ strictly positive definite such that $e^B = A$?
Jan
24
asked For linear $A: V \to V$ strictly positive definite, does there exist linear $B: V \to V$ strictly positive definite such that $e^B = A$?
Jan
16
awarded  Citizen Patrol