Gro-Tsen

Member for 10 years, 3 months
Last seen this week

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madore.org/~david
Paris, France

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Top tag

abstract-algebra

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Answers

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Score Activity Newest

68

'Obvious' theorems that are actually false

Jun 5, 2014

48

Can $x^{x^{x^x}}$ be a rational number?

Jul 10, 2013

44

Fibonacci number that ends with 2014 zeros?

Jul 20, 2014

18

Is the tensor product over $B$ of two flat $A$-modules flat over $A$?

Mar 26, 2016

16

How to formulate the P v.s. NP problem as a formal statement inside the language of set theory?

Apr 30, 2016

Questions

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Score Activity Newest Views

12

If $x_n \to 0 \pmod{a}$ for every $a>0$, does it follow that $x_n \to 0$?

Dec 2, 2022

11

Convergence of Riemann sums of a periodic function

Feb 8, 2016

10

Arithmetic-quadratic mean and other "means by limits of means"

Jan 24, 2016

9

Separable field extensions *without* using embeddings or automorphisms

Feb 26, 2016

7

Multiple differentiability from Taylor expansion

Jul 23, 2014

Tags

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number-theory

95

Score

3

posts

abstract-algebra

50

Score

14

posts

power-towers

48

Score

1

post

rationality-testing

48

Score

1

post

tetration

48

Score

1

post

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Dec 15, 2018
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Sep 2, 2022
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Mar 28, 2022

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Jan 3, 2020
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May 4, 2016

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Votes cast

330

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13

downvotes

153

question votes

190

answer votes

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