Li Chun Min's user avatar
Li Chun Min's user avatar
Li Chun Min's user avatar
Li Chun Min
  • Member for 7 years, 6 months
  • Last seen more than a month ago
7 votes
2 answers
1k views

Proof of fundamental theorem of algebra in Baby Rudin

5 votes
2 answers
351 views

Using the quotient manifold theorem to show real projective spaces are smooth manifolds

3 votes
0 answers
43 views

Patterns in defining total orders

2 votes
1 answer
172 views

A connection between integral and sums [Trapezoidal rule perhaps?]

2 votes
3 answers
414 views

Definition of order isomorphism in Munkres

1 vote
0 answers
23 views

Express a (1,1)-tensor field in another set of coordinates

1 vote
1 answer
203 views

Coordinate change formula for the inverse metric components - debug

1 vote
0 answers
2k views

From Stone-Weierstrass theorem to trigonometric polynomial approximation

1 vote
0 answers
54 views

Direct proof of $\exists\ C > 0$ s.t. $\forall\ v \in V$, $\lVert v\rVert_1 \leq C\lVert v\rVert$

1 vote
0 answers
228 views

Baby Rudin Chap. 6, Prob. 7(a) Definition of $\int_0^1 f(x) \, dx$

1 vote
1 answer
87 views

Proving an inequality using calculus (with FTC and Talyor's Theorem?)

1 vote
1 answer
47 views

Does Munkres Sec. 10 Prob. 4(a) require DC?

1 vote
1 answer
58 views

How do I derive a formula for eigenvalues for this matrix?

1 vote
1 answer
133 views

An irreducible polynomial of degree $m$ over $\Bbb{F}_p$ remains irreducible over $\Bbb{F}_{p^n}$ iff $\gcd(m,n) = 1$.

0 votes
0 answers
50 views

If $T$ is a symmetric matrix, how do I maximize $|Tx - (Tx \cdot x) x|$, where $x \in S^2$?

0 votes
1 answer
72 views

About the uniform continuity of $\frac{\rho_F(x)}{\rho_F(x)+\rho_K(x)}$