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 475 · Answer 1 · 2026-05-10 15:47:53

475

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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 10 May 2026 - 15:47

score 207 · Answer 2 · 2026-04-13 23:25:56

207

Views

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

Published on 13 Apr 2026 - 23:25

score 260 · Answer 3 · 2026-05-10 19:01:33

260

Views

Tetrations of non-integers?

Published on 10 May 2026 - 19:01

score 78 · Answer 4 · 2026-04-16 19:25:41

78

Views

Which primes satisfy this modular property?

Published on 16 Apr 2026 - 19:25

score 1.9k · Answer 5 · 2026-04-15 15:20:16

1.9k

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

Published on 15 Apr 2026 - 15:20

score 154 · Answer 6 · 2026-04-10 16:13:15

154

Views

A peculiar observation about infinity.

Published on 10 Apr 2026 - 16:13

score 183 · Answer 7 · 2026-05-04 17:27:34

183

Views

Uniquely extended fractional iterations of $\exp$

Published on 04 May 2026 - 17:27

score 177 · Answer 8 · 2026-03-25 14:39:18

177

Views

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

Published on 25 Mar 2026 - 14:39

score 69 · Answer 9 · 2026-03-25 14:39:21

69

Views

inverse tetrations of complex numbers

Published on 25 Mar 2026 - 14:39

score 131 · Answer 10 · 2026-03-25 14:39:16

131

Views

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

Published on 25 Mar 2026 - 14:39

score 204 · Answer 11 · 2026-05-10 15:43:21

204

Views

Simplifying a 'fractal-like' expression with tetration

Published on 10 May 2026 - 15:43

score 89 · Answer 12 · 2026-03-25 14:39:19

89

Views

The factors of a tetration plus an integer

Published on 25 Mar 2026 - 14:39

score 142 · Answer 13 · 2026-05-10 18:17:24

142

Views

Nested Tetration properties

Published on 10 May 2026 - 18:17

score 158 · Answer 14 · 2026-04-15 08:33:16

158

Views

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

Published on 15 Apr 2026 - 8:33

score 262 · Answer 15 · 2026-04-16 07:52:52

262

Views

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

Published on 16 Apr 2026 - 7:52

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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