Mathematics
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Carlos Jiménez
  • Member for 5 years, 11 months
  • Last seen this week
  • Mexico City, CDMX, México
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From the book 2666 by Roberto Bolaño:

«Un oasis de horror en medio de un desierto de aburrimiento»

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All Questions Answers
Score Newest
answer
18
A continuous bijection between two complete metric spaces that is not a homeomorphism.
Sep 11, 2018
question
11
Mistake in Kolmogorov's Elements of the theory of functions and functional analysis?
Dec 29, 2017
question
11
Prove that $\int\limits_{-\infty}^{\infty} \frac{e^{-x}}{1+e^{-2\pi x}}\,dx=\frac1{2\sin\left(\frac{1}{2}\right)}$
May 28, 2018
question
10
How many ultrafilters there are in an infinite space?
Nov 15, 2018
answer
10
Show that if $x^2>y^2$ then $x>y$ for all positive real numbers
Jan 11, 2018
answer
6
Theorems in the form of "if and only if" such that the proof of one direction is extremely EASY to prove and the other one is extremely HARD
Jan 11, 2019
answer
5
$\lim\limits_{x\to0}\sin1/x$
Feb 11, 2018
answer
5
$2\log_2 3 \cdot\log_3 2$ without using a calculator
Nov 19, 2017
answer
5
A closed set in metric space such that $A'$ is not empty and $(A')'$ is empty
Oct 16, 2017
answer
5
Solve for $x$, when $x^2-2x=0$
Nov 2, 2017
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6
Diagram with tikz
5
Acerca de la negación de un enunciado
5
¿Cuál es el mejor término para traducir la palabra "nice" en un contexto de Matemáticas?

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