Question

How to define $A\uparrow B$ with a universal property as well as $A\oplus B$, $A\times B$, $A^B$ in category theory?

score 472 · Answer 1 · 2026-03-25 07:45:57

472

Views

How to define $A\uparrow B$ with a universal property as well as $A\oplus B$, $A\times B$, $A^B$ in category theory?

Published on 25 Mar 2026 - 7:45

score 204 · Answer 2 · 2014-11-19 13:20:21

204

Views

Is there an inverse operation of tetration for values between 0 and .3?

Published on 19 Nov 2014 - 13:20

score 255 · Answer 3 · 2014-11-30 23:21:17

255

Views

Tetrations of non-integers?

Published on 30 Nov 2014 - 23:21

score 73 · Answer 4 · 2014-12-07 21:20:54

73

Views

Which primes satisfy this modular property?

Published on 07 Dec 2014 - 21:20

score 1.9k · Answer 5 · 2014-12-22 13:06:27

1.9k

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How can I prove $\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}...}}}}=2$

Published on 22 Dec 2014 - 13:06

score 151 · Answer 6 · 2014-12-27 08:43:06

151

Views

A peculiar observation about infinity.

Published on 27 Dec 2014 - 8:43

score 176 · Answer 7 · 2026-03-24 00:24:38

176

Views

Uniquely extended fractional iterations of $\exp$

Published on 24 Mar 2026 - 0:24

score 176 · Answer 8 · 2019-10-08 03:32:21

176

Views

Is there some function $f(x)$ for which $f_{\infty}(x)$ is a continuous non-constant function that converges?

Published on 08 Oct 2019 - 3:32

score 68 · Answer 9 · 2019-10-11 20:22:41

68

Views

inverse tetrations of complex numbers

Published on 11 Oct 2019 - 20:22

score 130 · Answer 10 · 2019-10-17 14:54:39

130

Views

Prove that ${}^ni$ is complex for all $n \ge 3$

Published on 17 Oct 2019 - 14:54

score 196 · Answer 11 · 2026-03-07 10:54:31

196

Views

Simplifying a 'fractal-like' expression with tetration

Published on 07 Mar 2026 - 10:54

score 88 · Answer 12 · 2019-10-31 11:35:39

88

Views

The factors of a tetration plus an integer

Published on 31 Oct 2019 - 11:35

score 139 · Answer 13 · 2026-03-25 04:35:07

139

Views

Nested Tetration properties

Published on 25 Mar 2026 - 4:35

score 155 · Answer 14 · 2019-11-06 03:35:49

155

Views

Finding the derivative of $x$ tetrated to the $x$

Published on 06 Nov 2019 - 3:35

score 259 · Answer 15 · 2019-11-09 15:14:36

259

Views

Convergence of the sequence $x_{n+1} = a^{x_n}$

Published on 09 Nov 2019 - 15:14

List Question

How to define $A\uparrow B$ with a universal property as well as $A\oplus B$, $A\times B$, $A^B$ in category theory?

Is there an inverse operation of tetration for values between 0 and .3?

Tetrations of non-integers?

Which primes satisfy this modular property?

How can I prove $\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\sqrt{2}...}}}}=2$

A peculiar observation about infinity.

Uniquely extended fractional iterations of $\exp$

Is there some function $f(x)$ for which $f_{\infty}(x)$ is a continuous non-constant function that converges?

inverse tetrations of complex numbers

Prove that ${}^ni$ is complex for all $n \ge 3$

Simplifying a 'fractal-like' expression with tetration

The factors of a tetration plus an integer

Nested Tetration properties

Finding the derivative of $x$ tetrated to the $x$

Convergence of the sequence $x_{n+1} = a^{x_n}$

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