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Antonio Frighetto

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3 Questions

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How to prove prove $L(G) = \{~w\in\{a,b\}^*~|~\#_aw= \#_bw\}$ for my CFG $G$?

context-free formal-grammars

Oct 26 '18 at 15:18 Kai 368

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1

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84

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Space and time complexity of $L = \{a^nb^{n^2} \mid n≥1\}$

complexity-theory turing-machines

Jan 15 at 16:28 Yuval Filmus 214k

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Trying to prove semidecidability of an undecidable language

turing-machines computability rice-theorem

Dec 1 '18 at 2:53 Yuval Filmus 214k

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