Mathematics
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Julián Aguirre
  • Member for 11 years, 5 months
  • Last seen more than 3 years ago
  • Bilbao, Spain
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About

I am a professor in the Math Department of the University of the Basque Country. I got my PhD at Washington University in St. Louis. My research interests are PDE's and Number Theory. My hobbies are sailing and traveling around the world. Retired July 2017.

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All Questions Answers
Score Newest
answer
75
Help with a prime number spiral which turns 90 degrees at each prime
Dec 26, 2016
answer
65
What is the difference between outer measure and Lebesgue measure?
Mar 13, 2011
answer
47
$\int_{0}^{\infty} \frac{e^{-x} \sin(x)}{x} dx$ Evaluate Integral
Jun 18, 2012
answer
29
Find the sign of $\int_{0}^{2 \pi}\frac{\sin x}{x} dx$
Feb 8, 2012
answer
28
Discontinuous functions with closed graphs
Jan 12, 2012
answer
28
Can you determine a differential equation from its solutions?
Nov 26, 2015
answer
27
Is the measure of the sum equal to the sum of the measures?
Oct 17, 2016
answer
23
Inverse of a bijection f is equal to its derivative
Jan 15, 2013
question
22
Analyticity of the convolution of two functions
Aug 24, 2018
answer
22
Show rigorously that the sum of integrals of $f$ and of its inverse is $bf(b)-af(a)$
Jan 22, 2015
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80
Which math paper maximizes the ratio (importance)/(length)?
24
Are there any good computer programs for drawing (algebraic) curves?
14
A G-delta-sigma that is not F-sigma?
13
Is the Fourier transform of 1/(1-log(1-x^2)) (supported in [-1,1]) integrable?
12
When is the sum of two quadratic residues modulo a prime again a quadratic residue?

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