List questions from computational-complexity

Published on 15 Apr 2026 - 7:59

34

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Set cover problem aproximate solution NP-hardness

Published on 11 Apr 2026 - 8:38

1.1k

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Is there an algorithm to check whether a subset generates a group?

Published on 09 Apr 2026 - 10:31

469

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Reducing matrix multiplication to squaring

Published on 12 Apr 2026 - 2:00

75

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Simplifying $\sum\limits^n_{i=1}\bigl(\prod\limits^n_{j=1}\bigl(a_j\bigl\lfloor\frac{x_j-x_i}{|x_j-x_i|+1} \bigr\rfloor+1\bigr)\bigr)b_i$

Published on 15 Apr 2026 - 22:14

99

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Can the remainder from an Euclidean Division be computed (faster?) without also computing the quotient?

Published on 13 Apr 2026 - 4:15

35

Views

Is $O(2^{o(n)}) = O(2^n)$?

Published on 15 Apr 2026 - 20:29

84

Views

What is the complexity of solving this specific System of Diophantine Equations?

Published on 07 Apr 2026 - 9:48

50

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Complexity theory - proving Big theta for a series

Published on 13 Apr 2026 - 13:38

53

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Construction of a prefix-free program that relative to any other program, holds a program-size complexity inequality

Published on 14 Apr 2026 - 6:55

61

Views

Showing for every prefix-free binary string set, Chaitin's Omega is less than or equal to 1

Published on 14 Apr 2026 - 15:55

135

Views

Show that $TIME(\sqrt{n})$ = $TIME(1)$

Published on 16 Apr 2026 - 10:26

39

Views

How is the lower bound calculated for permutation of numbers in the backtracking algorithm?

Published on 25 Mar 2026 - 22:10

51

Views

Is the following expression (on limit behaviours) correct?

Published on 14 Apr 2026 - 7:57

61

Views

Computational complexity of maximising a concave function over a convex set

Published on 12 Apr 2026 - 14:42

List Question

Growth rate of $|a^n+b^n|$ where $a,b=(1\pm\sqrt{-7})/2$.

Set cover problem aproximate solution NP-hardness

Is there an algorithm to check whether a subset generates a group?

Reducing matrix multiplication to squaring

Simplifying $\sum\limits^n_{i=1}\bigl(\prod\limits^n_{j=1}\bigl(a_j\bigl\lfloor\frac{x_j-x_i}{|x_j-x_i|+1} \bigr\rfloor+1\bigr)\bigr)b_i$

Can the remainder from an Euclidean Division be computed (faster?) without also computing the quotient?

Is $O(2^{o(n)}) = O(2^n)$?

What is the complexity of solving this specific System of Diophantine Equations?

Complexity theory - proving Big theta for a series

Construction of a prefix-free program that relative to any other program, holds a program-size complexity inequality

Showing for every prefix-free binary string set, Chaitin's Omega is less than or equal to 1

Show that $TIME(\sqrt{n})$ = $TIME(1)$

How is the lower bound calculated for permutation of numbers in the backtracking algorithm?

Is the following expression (on limit behaviours) correct?

Computational complexity of maximising a concave function over a convex set

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