Question

How can I determine the form of a geometric series in a recurrence relation by using iterative substitution?

score 268 · Answer 1 · 2026-03-25 19:05:08

268

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How can I determine the form of a geometric series in a recurrence relation by using iterative substitution?

Published on 25 Mar 2026 - 19:05

score 889 · Answer 2 · 2019-04-29 18:58:35

889

Views

Summing the totient function $\sum_{k=1}^n \varphi(k)$

Published on 29 Apr 2019 - 18:58

score 27 · Answer 3 · 2026-03-26 11:01:04

27

Views

How to distribute n questions to n students with all students having the same questions but in different orders.

Published on 26 Mar 2026 - 11:01

score 165 · Answer 4 · 2019-04-30 00:18:06

165

Views

Using the master theorem to find an expression for T(n) in Big Oh

Published on 30 Apr 2019 - 0:18

score 174 · Answer 5 · 2019-04-30 01:25:56

174

Views

The one bit computer scientist thought experiment

Published on 30 Apr 2019 - 1:25

score 30 · Answer 6 · 2019-04-30 16:23:10

30

Views

An interesting list ordering result based on skipping indexes by value entered

Published on 30 Apr 2019 - 16:23

score 737 · Answer 7 · 2026-02-23 01:04:23

737

Views

Is there an Efficient Way to Divide by a Mersenne Prime?

Published on 23 Feb 2026 - 1:04

score 529 · Answer 8 · 2026-03-26 14:34:42

529

Views

Number of one to one functions from the set {1, 2, . . . , n} to {1, 2, . . . , n} so that f(x) = x for some x and f(x) $\neq$ x for all the other x?

Published on 26 Mar 2026 - 14:34

score 76 · Answer 9 · 2019-05-04 14:58:19

76

Views

How to present numbers in a large base (e.g. Sexagesimal)

Published on 04 May 2019 - 14:58

score 72 · Answer 10 · 2026-03-25 22:09:39

72

Views

What would be the explicit formula of a "dictionary" function / relation?

Published on 25 Mar 2026 - 22:09

score 62 · Answer 11 · 2019-05-06 12:25:48

62

Views

Optimization as theorem proving?

Published on 06 May 2019 - 12:25

score 216 · Answer 12 · 2026-03-25 06:12:54

216

Views

PDA for this CFL $L=\{a^i b^j c^k, k=i*j, i,j=0,1,2...\}$

Published on 25 Mar 2026 - 6:12

score 370 · Answer 13 · 2026-03-26 11:02:19

370

Views

is it possible to convert assignment of a set of boolean variables into a 3cnf propositions in polynomial time?

Published on 26 Mar 2026 - 11:02

score 32 · Answer 14 · 2026-03-25 06:10:00

32

Views

Describing indefinitely nested language generated by Context-Free Grammar

Published on 25 Mar 2026 - 6:10

score 68 · Answer 15 · 2019-05-07 10:42:24

68

Views

Proof by resolution - showing there is no contradiction

Published on 07 May 2019 - 10:42

List Question

How can I determine the form of a geometric series in a recurrence relation by using iterative substitution?

Summing the totient function $\sum_{k=1}^n \varphi(k)$

How to distribute n questions to n students with all students having the same questions but in different orders.

Using the master theorem to find an expression for T(n) in Big Oh

The one bit computer scientist thought experiment

An interesting list ordering result based on skipping indexes by value entered

Is there an Efficient Way to Divide by a Mersenne Prime?

Number of one to one functions from the set {1, 2, . . . , n} to {1, 2, . . . , n} so that f(x) = x for some x and f(x) $\neq$ x for all the other x?

How to present numbers in a large base (e.g. Sexagesimal)

What would be the explicit formula of a "dictionary" function / relation?

Optimization as theorem proving?

PDA for this CFL $L=\{a^i b^j c^k, k=i*j, i,j=0,1,2...\}$

is it possible to convert assignment of a set of boolean variables into a 3cnf propositions in polynomial time?

Describing indefinitely nested language generated by Context-Free Grammar

Proof by resolution - showing there is no contradiction

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