Mathematics
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Krampus's user avatar
Krampus's user avatar
Krampus
  • Member for 9 years
  • Last seen more than 6 years ago
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20
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All Questions Answers
Score Newest
answer
9
What's your favorite proof accessible to a general audience?
Jan 19, 2015
question
8
Non measurable function but measurable pre-image
Oct 2, 2015
question
4
$E \subset \{ x | f \text{ is differentiable at }x\}$. Then $|E|=0 \Rightarrow |f(E)|=0$.
Oct 14, 2015
question
4
Calculate $\int_0^1 f(x) dx$, where $f(x)= \begin{cases} 0 & x= x\in C \\ \frac{2}{7^n} & x= x\not \in C \end{cases} $, with $C$ the Cantor set.
Dec 17, 2015
answer
3
Covariant derivative geometric interpretation
Jan 11, 2015
question
2
Suppose that a function $f\colon[0,1]\rightarrow \mathbb{R}$ is continuous, $f\left(0\right)=0$
Nov 27, 2014
question
2
Differentiation question using the definition of a derivative
Dec 12, 2014
question
2
Prove that $\underline{\int_{a}^b} f \leq 0 \leq \overline{\int_{a}^{b} f}$
Jan 19, 2015
question
2
Show $\int_{\mathbb{R}^n}|f(x)|^3 dx =3 \int_{0}^\infty t^2 |\left\{x : f(x)>t \right\}| dt$
Oct 26, 2015
question
2
Differential Identity $\nabla\phi(t,x)\cdot f(x)=f(\phi(t,x))$
Jan 21, 2016
Top Meta posts
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7
Etiquette about posting a large number of questions about preliminary exams.

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