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  • 2 Post By Eucler
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December 29th, 2018, 09:20 PM   #1
Joined: Dec 2018
From: Euclidean Plane

Posts: 7
Thanks: 3

Hello all!

Hi all, I'm a new member here! I'm a PhD student specializing in number theory.

Favorite identity:

$$\frac{1}{\pi^2+1} + \frac{1}{4\pi^2+1} + \frac{1}{9\pi^2+1} + \frac{1}{16\pi^2+1} + \;\ldots\; = \frac{1}{e^2-1}.$$

Favorite number is the Freiman constant
$$F = \frac{2\,221\,564\,096 + 283\,748\sqrt{462}}{491\, 993\, 569} = 4.5278295661\dots$$
because it's a very naturally defined constant despite those crazy large numbers.
Thanks from greg1313 and Maschke
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December 30th, 2018, 03:52 PM   #2
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Joined: Oct 2011
From: Ottawa Ontario, Canada

Posts: 14,597
Thanks: 1038

Joined: Dec 2018
From: Euclidean Plane

Did Euclid also invent the plane?
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December 30th, 2018, 04:05 PM   #3
Senior Member
Joined: Feb 2016
From: Australia

Posts: 1,838
Thanks: 653

Math Focus: Yet to find out.
Welcome and good luck!
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January 4th, 2019, 05:02 PM   #4
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Joined: Oct 2016
From: Arizona

Posts: 209
Thanks: 37

Math Focus: I'm still deciding, but my recent focus has been olympiad problems and math journal problems.
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