Questions tagged [speed-up]

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Is Gödel's speed-up theorem an instance of Blum's speedup theorem?

Blum's speedup theorem is a statement about a certain class of computable functions for which it is always possible to find a faster algorithm. Gödel's speed-up theorem is a statement about the ...
5
votes
1answer
221 views

Are there problems that can be solved in time $2^{n-q^c}$ with $q$ qubits?

This is another attempt to formalize my former question on the topic. I'm looking for a problem for which all known classical algorithms take exponential time, but given ANY number of few qubits (...
9
votes
1answer
194 views

Is a quadratic nondeterminism speed-up of deterministic computation plausible?

This is a follow up to nondeterministic speed-up of deterministic computation. Is it plausible that nondeterminism (or more generally alternation) would allow a general quadratic speed-up of ...
14
votes
3answers
490 views

Nondeterministic speed-up of deterministic computation

Can nondeterminism speed-up deterministic computation? If yes, how much? By speeding-up deterministic computation by nondeterminism I mean results of the form: $\mathsf{DTime}(f(n)) \subseteq \...