List questions from computational-complexity

Published on 14 Apr 2026 - 14:15

231

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Solving Recurrence Tree Relationship for T(n) = T(n/2) + T(n/sqrt(2)) + n^2

Published on 16 Apr 2026 - 3:26

20k

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Solutions of recurrence relations $T(n) = 2T(n-1)$ and $T(n) = 2T(n-1) - 1$

Published on 16 Apr 2026 - 3:21

162

Views

Complexity of the first phase method

Published on 10 May 2026 - 13:57

994

Views

Rules for Reductions in NP-Completeness Proofs (many-one vs one-many)

Published on 10 May 2026 - 13:49

38

Views

Is relational model isomorphism problem GI-complete?

Published on 10 May 2026 - 19:00

2.1k

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Proof that $\textit{INFINITE}_{\text{DFA}}$ is decidable.(Sipser Q.4.10)

Published on 10 May 2026 - 13:49

134

Views

Assigning drivers to buses and routes

Published on 14 Apr 2026 - 21:27

45

Views

Complexity of deciding if two matrices are permutatively equivalent

Published on 13 Apr 2026 - 12:03

133

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The relation of $O$- and $\Omega$-symbols and an unexpected absolute sign in the definiton of $O$.

Published on 16 Apr 2026 - 2:40

31

Views

how to solve this recursive function T(n) = T(n/2) + O(n)

Published on 14 Apr 2026 - 19:07

45

Views

Proving $\sum_{i=1}^n 3^i\log_2(i) \in \theta( 3^n\log_2(n))$

Published on 15 Apr 2026 - 21:18

441

Views

Is the set of primitive recursive functions (on $\mathbb{N}$) effectively enumerable?

Published on 10 May 2026 - 12:53

40

Views

Supplementing $L_A$ with new function symbols

Published on 10 May 2026 - 12:51

600

Views

Can a recurrence satisfy 2 cases of master theorem?

Published on 10 Apr 2026 - 16:34

List Question

$O(n)$ of $n/2^n$

Solving Recurrence Tree Relationship for T(n) = T(n/2) + T(n/sqrt(2)) + n^2

Solutions of recurrence relations $T(n) = 2T(n-1)$ and $T(n) = 2T(n-1) - 1$

Complexity of the first phase method

Rules for Reductions in NP-Completeness Proofs (many-one vs one-many)

Is relational model isomorphism problem GI-complete?

Proof that $\textit{INFINITE}_{\text{DFA}}$ is decidable.(Sipser Q.4.10)

Assigning drivers to buses and routes

Complexity of deciding if two matrices are permutatively equivalent

The relation of $O$- and $\Omega$-symbols and an unexpected absolute sign in the definiton of $O$.

how to solve this recursive function T(n) = T(n/2) + O(n)

Proving $\sum_{i=1}^n 3^i\log_2(i) \in \theta( 3^n\log_2(n))$

Is the set of primitive recursive functions (on $\mathbb{N}$) effectively enumerable?

Supplementing $L_A$ with new function symbols

Can a recurrence satisfy 2 cases of master theorem?

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