user avatar
user avatar
user avatar
Mauricio Tec
  • Member for 9 years, 4 months
  • Last seen more than a week ago
16 votes
Accepted

Does every group whose order is a power of a prime p contain an element of order p?

15 votes

Why can't differentiability be generalized as nicely as continuity?

14 votes

Define second derivative ($f''$) without using first derivative ($f'$)

12 votes
Accepted

How can I prove convergence of the series $\sum_{n=1}^{\infty}\frac{\log(n)}{n^2}$ by comparison?

7 votes
Accepted

Interpretation of the Weierstrass Preparation Theorem

6 votes

Cantor Set and ternary expansions.

5 votes
Accepted

Does every continuous everywhere but differentiable nowhere curve have an infinite length?

5 votes
Accepted

Is the sum of two prime ideals a prime ideal?

5 votes

Looking for someone to help me along with integrating $\frac{e^x}{(e^x -1)(e^x + 2)}$

5 votes

Can $S^4$ be the cotangent bundle of a manifold?

4 votes
Accepted

Showing that a function is not a homeomorphism

4 votes

Inverse image of a Borel set is a Borel set under measurable function

4 votes

Cantor Set and ternary expansions.

4 votes

Cantor's Set Has No Intervals

3 votes
Accepted

How can I prove $f_M(x) = \min(f(x),M)$ is lower semi-continuous?

3 votes

How do I compute $\int_{-x^2}^{0}f(t)dt$ derivative ratio $x$?

3 votes
Accepted

Expand $(1-z)^{-m}$ in powers of $z$

3 votes

Hamel bases without (too much) axiomatic set theory

3 votes

Sequence summation GRE question

3 votes
Accepted

How do I solve this integral $\int_{e}^{4+e} (3x- \lfloor 3x \rfloor)dx$?

3 votes

Usual Topology on a union of sets

2 votes

For a shift matrix $A$, prove that $A^n=0$ but $A^{n-1} \neq 0$.

2 votes

Solving and sketching the differential equation $\cos y \,dy=\sin x\,dx$

2 votes
Accepted

$\mathbb{E}[X] = \mathbb{E}[\mathbb{E}[X \mid Y]] = \mathbb{E}[yp] = p\mathbb{E}[Y]$

2 votes

An open cover of $\{x:x>0\}$ with no finite subcover

2 votes

If $X\sim \exp(\lambda)$ and $Y\sim \exp(\mu)$ then $P(X\leq Y)=\frac{\lambda}{\lambda+\mu}$. Is there an intuitive interpretation for this fact?

2 votes

Easy topology inquiry

2 votes

Advanced Calc II question- Riemann integration

2 votes

Proving $|e^{iθ}|=1$

2 votes

How can I calculate the derivative of the derivative using the tangent line?