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Results tagged with cc.complexity-theory
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user 758
P versus NP and other resource-bounded computation.
11
votes
Correspondence between complexity classes and logic
For those not familiar with the multitude of acronyms found in Immerman's great diagram there is a Wikipedia article on descriptive complexity. There should be a diagram with links, so you could direc …
- 1,259
50
votes
5
answers
7k
views
Is the Chomsky-hierarchy outdated?
The Chomsky(–Schützenberger) hierarchy is used in textbooks of theoretical computer science, but it obviously only covers a very small fraction of formal languages (REG, CFL, CSL, RE) compared to the …
- 1,259