Mathematics
David Diaz's user avatar
David Diaz's user avatar
David Diaz's user avatar
David Diaz
  • Member for 6 years, 6 months
  • Last seen this week
  • USA
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About

Number theorist and combinatorial design theorist by aspiration.

Number multiplier and sudoku enthusiast by practice.

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Top posts
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All Questions Answers
Score Newest
answer
12
Proving a Lipschitz function is continuous
Oct 23, 2019
answer
12
Why use A|BC and not ABC?
Jun 13, 2018
question
10
What are the factors of this quotient given by Fermat's Little Theorem?
Jun 21, 2018
answer
7
If I don't have a computer at hand (or an app), how can I know that $1637$ is prime?
Jun 6, 2018
answer
5
I don't understand the explanation of Proof by Contradiction
Sep 18, 2019
answer
5
Proving $n^2(n^2-1)(n^2+1)=60\lambda$ such that $\lambda\in\mathbb{Z}^{+}$
Sep 14, 2019
answer
4
Can you give me a walk through of proof for Fermat's last theorem?
Oct 1, 2019
answer
4
How to solve an empty sudoku?
Jun 7, 2018
answer
3
Why does this "trick" for taking the modulus of a number work?
Nov 7, 2021
answer
3
PRMO Model Question : "The least LCM of 20 natural numbers, not necessarily different, whose sum is 413, is _________"
Aug 9, 2021
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5
What was Littlewood's quip about Hardy and plagiarism?

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