Mathematics
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PolyaPal
  • Member for 10 years, 7 months
  • Last seen this week
  • New York State
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Retired...interested in classical analysis, number theory, linear algebra, inequalities...math journal problem column addict...New York Times Crossword every day

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All Questions Answers
Score Newest
answer
33
What is the most unusual proof you know that $\sqrt{2}$ is irrational?
Jun 10, 2015
answer
6
When to give up on a hard math problem?
Jun 11, 2014
question
5
Prove or disprove $\lim\limits_{n \to \infty} (p_{n+1} - p_{n})/\sqrt{p_n} = 0$
Jul 23, 2012
answer
4
If both $a,b>0$, then $a^ab^b \ge a^bb^a$
Dec 16, 2014
answer
4
Does $\det(A + B) = \det(A) + \det(B)$ hold?
Oct 7, 2015
answer
2
Is there a branch of Mathematics which connects Calculus and Discrete Math / Number Theory?
Jan 5, 2016
answer
2
What isn't a vector space?
Oct 3, 2017
answer
2
What is an odd prime?
Mar 11, 2015
answer
2
Prove that the $p$-mean is an increasing function of $p$
Jun 17, 2014
answer
2
Limit of sum with binomial coefficient
Jun 26, 2012

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