davidlowryduda

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Member for 11 years, 1 month
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Boston, MA, USA

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abstract-algebra

390/400 score

105/80 answers

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Answers

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Score Activity Newest

160

Why is the inverse of a sum of matrices not the sum of their inverses?

Feb 17, 2015

111

What are the numbers before and after the decimal point referred to in mathematics?

Sep 13, 2011

107

Why is it hard to prove whether $\pi+e$ is an irrational number?

Jun 17, 2012

95

The expected payoff of a dice game

Aug 6, 2012

68

Is it unheard of to say that you like math but hate proofs?

Apr 9, 2012

Questions

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Score Activity Newest Views

36

Using the Brun Sieve to show very weak approximation to twin prime conjecture

Oct 2, 2013

17

closed form of $\sum \frac{1}{z^3 - n^3}$

Nov 3, 2011

15

$\frac{16}{27} \left( \frac a{b+c} + \frac b{a+c} +\frac c{a+b} \right) ^3 + \left( \frac{abc}{(a+b)(b+c)(a+c)}\right)^{\frac{1}{3}} \geq \frac52$

Jan 31, 2012

15

Is there a 'far' irrational number?

Feb 14, 2012

14

Classifying Unital Commutative Rings of Order $p^2$

Feb 15, 2012

Tags

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calculus

1,120

Score

350

posts

number-theory

952

Score

282

posts

elementary-number-theory

731

Score

202

posts

real-analysis

524

Score

185

posts

sequences-and-series

489

Score

138

posts

Reputation

+10

Finding the Maclaurin series for $x^2 \sin(x^3)$

+35

A function asymptotical equivalent with the prime counting function?

+10

Some questions in the proof of Analytic Large Sieve

+10

Are there infinite prime numbers of the form $q = p^2 -2$, with $p$ prime?

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Sheriff

Aug 7, 2013
calculus

Nov 1, 2018
Copy Editor

Apr 5, 2016

157

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number-theory

Jun 6, 2015
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Nov 13, 2015
sequences-and-series

Sep 11, 2017

296

bronze badges

riemann-zeta

Jan 17, 2017
analytic-number-theory

Jul 1, 2015
definition

Jul 11, 2018

Bookmarks

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822

How to study math to really understand it and have a healthy lifestyle with free time?

Jun 11, 2011

789

Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ (Basel problem)

Oct 30, 2010

507

Integral $\int_{-1}^1\frac1x\sqrt{\frac{1+x}{1-x}}\ln\left(\frac{2\,x^2+2\,x+1}{2\,x^2-2\,x+1}\right) \mathrm dx$

Nov 11, 2013

486

Best Sets of Lecture Notes and Articles

Feb 13, 2013

334

A challenge by R. P. Feynman: give counter-intuitive theorems that can be translated into everyday language

Jul 21, 2010

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