complexity theory - relation between ntime and dtime - Computer …
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complexity theory - $DTIME (f (n)) \subset of DSPACE (f (n ...
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Is DTIME (n) = DTIME (2n) true? (unlike Rosenberg's results)
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Why is DTIME (n) not equal to NP, and consequently, DSPACE (n) …
2018年4月19日 · Intuitively it would seem like these equalities are false since DTIME(n) and DSPACE(N) are in terms of deterministic Turing machines and NP is non-deterministic, but I'm struggling to come up with a convicing argument as to why this is. I'm assuming that both the Time and Space Hierarchy Thoerems must be used but I'm just not quite sure how.
complexity theory - Does $DTIME (2^n)$ contain $NSPACE (n ...
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complexity theory - DTIME(t(n) logt(n)) relation to DTIME(t(n ...
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complexity theory - $\textbf{NP}\neq \textbf{DTIME}(2^{\sqrt{n ...
2024年12月1日 · One way to prove that those classes are different is to prove that, like the class $\mathsf{E}$, $\mathsf{DTIME}(2^{\sqrt{n}})$ is not closed under polynomial-time many-one reductions, whereas $\mathsf{NP}$ is closed under such reductions.
complexity theory - Showing that $ASPACE(f (n)) = DTIME(2^{O(f …
I can prove the forward direction ($\mathsf{ASPACE}(f (n)) \subseteq \mathsf{DTIME}(2^{O(f (n))})$) by building a computation tree of the alternating Turing machine and rejecting after $\ge 2^{f(n)}$ time steps and then merging nodes of the same …
complexity theory - Polynomial time reductions in DTIME
Polynomial time reductions in DTIME. Ask Question Asked 4 months ago. Modified 4 months ago. Viewed 182 ...
NTIME (f) subset of DSPACE (f) - Computer Science Stack Exchange
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