List questions from computational-complexity

Published on 09 Apr 2017 - 14:26

54

Views

Find $a$ such that $T(n)=T(\frac{n}2)+aT(\frac{n}4)+n^2$ is solved by $T(n)=\omega(n^2)$

Published on 05 Apr 2026 - 23:28

1.2k

Views

Counting all Perfect Matchings in arbitrary graph

Published on 26 Mar 2026 - 14:18

2.6k

Views

If in a turing machine, whenever the head tries to move left, it gets rewinded all the way to the leftmost cell.

Published on 28 Mar 2026 - 16:58

11.2k

Views

Complexity/Operation count for the forward and backward substitution in the LU decomposition?

Published on 25 Mar 2026 - 14:04

2.3k

Views

The determinant and perfect matching.

Published on 26 Mar 2026 - 14:18

90

Views

Explicit description of the unit group of $\Bbb Z/2^k\Bbb Z$

Published on 11 Apr 2017 - 22:19

90

Views

Can we make do with a poor man's analytic continuation of the RZ function?

Published on 12 Apr 2017 - 2:59

27

Views

Lower and upper asymptotic bounds

Published on 05 Apr 2026 - 23:18

55

Views

Using the inverse error function to show a probability is especially small.

Published on 28 Mar 2026 - 20:40

155

Views

Show NP is closed under "relabelling"

Published on 19 Apr 2017 - 20:29

351

Views

Complexity of solving a system of linear equations over a number field

Published on 20 Apr 2017 - 11:00

70

Views

Polynomials: Computing p(α+β) from p(α) and p(β)

Published on 20 Apr 2017 - 11:18

215

Views

Equivalence for Turing machine and circuit

Published on 24 Apr 2017 - 19:56

88

Views

Activating "AND" Nodes and "OR" nodes

Published on 26 Mar 2026 - 17:30

List Question

Time Complexity Recursion

Find $a$ such that $T(n)=T(\frac{n}2)+aT(\frac{n}4)+n^2$ is solved by $T(n)=\omega(n^2)$

Counting all Perfect Matchings in arbitrary graph

If in a turing machine, whenever the head tries to move left, it gets rewinded all the way to the leftmost cell.

Complexity/Operation count for the forward and backward substitution in the LU decomposition?

The determinant and perfect matching.

Explicit description of the unit group of $\Bbb Z/2^k\Bbb Z$

Can we make do with a poor man's analytic continuation of the RZ function?

Lower and upper asymptotic bounds

Using the inverse error function to show a probability is especially small.

Show NP is closed under "relabelling"

Complexity of solving a system of linear equations over a number field

Polynomials: Computing p(α+β) from p(α) and p(β)

Equivalence for Turing machine and circuit

Activating "AND" Nodes and "OR" nodes

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