Question

How can we know all possible structures attending some set of axioms?

score 34 · Answer 1 · 2026-03-28 22:27:10

34

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How can we know all possible structures attending some set of axioms?

Published on 28 Mar 2026 - 22:27

score 1k · Answer 2 · 2017-01-23 14:47:55

1k

Views

A recurrence system and Markov chain.

Published on 23 Jan 2017 - 14:47

score 262 · Answer 3 · 2026-03-28 21:06:51

262

Views

Closed form for the limit of the iterated sequence $a_{n+1}=\frac{\sqrt{(a_n+b_n)(a_n+c_n)}}{2}$

Published on 28 Mar 2026 - 21:06

score 1.8k · Answer 4 · 2017-01-23 23:51:47

1.8k

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If $a_{n+1}=a_n+1/a_n$ and $a_0 = 1$, show $a_n/H_n^4\to \infty$ but $a_n/H_n^4\to 0$

Published on 23 Jan 2017 - 23:51

score 244 · Answer 5 · 2026-03-25 12:49:50

244

Views

How to prove that this iterated mean gives $\frac{2 \cdot 2^{7/8}}{\vartheta _2\left(0,\frac{1}{\sqrt{2}}\right)}$ for $a_0=2,b_0=1$?

Published on 25 Mar 2026 - 12:49

score 144 · Answer 6 · 2026-03-29 17:23:07

144

Views

Is primitive recursion necessary for recursive functions?

Published on 29 Mar 2026 - 17:23

score 663 · Answer 7 · 2017-01-25 11:43:21

663

Views

How to solve ${T(n)=aT(n/2)+bn^c}$, ${T(1)=1}$?

Published on 25 Jan 2017 - 11:43

score 119 · Answer 8 · 2026-03-29 17:24:49

119

Views

Why μ of partial recursive functions requires values of least zero's predecessors be defined

Published on 29 Mar 2026 - 17:24

score 563 · Answer 9 · 2026-03-29 19:09:17

563

Views

Why prefer Gödel's β-function to Cantor's pairing function on coding number sequences

Published on 29 Mar 2026 - 19:09

score 367 · Answer 10 · 2026-03-26 06:29:13

367

Views

A known closed form for Borchardt mean (generalization of AGM) - why doesn't it work?

Published on 26 Mar 2026 - 6:29

score 41 · Answer 11 · 2017-01-28 06:23:07

41

Views

find a particular solution of $A_{n} = A_{(n-1)} + f(n)$where $f(n)=n^{(c)}$,c is a random negative integer

Published on 28 Jan 2017 - 6:23

score 274 · Answer 12 · 2026-03-28 02:42:08

274

Views

How to do this induction proof?

Published on 28 Mar 2026 - 2:42

score 40 · Answer 13 · 2017-01-29 16:38:21

40

Views

Recursion - series examples

Published on 29 Jan 2017 - 16:38

score 124 · Answer 14 · 2017-01-30 18:25:29

124

Views

Solution to functional equation giving $f(x)$ in terms of $f(x^{1/2})$

Published on 30 Jan 2017 - 18:25

score 921 · Answer 15 · 2017-02-03 20:35:40

921

Views

Induction on a piecewise defined function

Published on 03 Feb 2017 - 20:35

List Question

How can we know all possible structures attending some set of axioms?

A recurrence system and Markov chain.

Closed form for the limit of the iterated sequence $a_{n+1}=\frac{\sqrt{(a_n+b_n)(a_n+c_n)}}{2}$

If $a_{n+1}=a_n+1/a_n$ and $a_0 = 1$, show $a_n/H_n^4\to \infty$ but $a_n/H_n^4\to 0$

How to prove that this iterated mean gives $\frac{2 \cdot 2^{7/8}}{\vartheta _2\left(0,\frac{1}{\sqrt{2}}\right)}$ for $a_0=2,b_0=1$?

Is primitive recursion necessary for recursive functions?

How to solve ${T(n)=aT(n/2)+bn^c}$, ${T(1)=1}$?

Why μ of partial recursive functions requires values of least zero's predecessors be defined

Why prefer Gödel's β-function to Cantor's pairing function on coding number sequences

A known closed form for Borchardt mean (generalization of AGM) - why doesn't it work?

find a particular solution of $A_{n} = A_{(n-1)} + f(n)$where $f(n)=n^{(c)}$,c is a random negative integer

How to do this induction proof?

Recursion - series examples

Solution to functional equation giving $f(x)$ in terms of $f(x^{1/2})$

Induction on a piecewise defined function

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