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seen Apr 29 at 5:30
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Apr
16
awarded  Popular Question
Apr
15
awarded  Popular Question
Apr
3
accepted Decidability Turing Machine Problem
Apr
3
comment Decidability Turing Machine Problem
Wow thanks I didn't think of that.
Apr
3
asked Decidability Turing Machine Problem
Mar
26
comment Proving non CFL with pumping lemma
Got it, thanks.
Mar
26
accepted Proving non CFL with pumping lemma
Mar
26
comment Proving non CFL with pumping lemma
Thanks for the answer. I understand now why this would be a contradiction if $r$ is not 0 or $n$, but lets say $vxy$ is all $a$'s, how do we know that $v^{k}xy^{k}$ $k$>0 can never be a multiple of $p+1$ and thus be in $L$ and able to be pumped?
Mar
26
asked Proving non CFL with pumping lemma
Mar
26
accepted Push down automata problem
Mar
25
comment Push down automata problem
No I do not but if its not too much trouble I can definitely try to learn to solve this.
Mar
25
asked Push down automata problem
Mar
25
accepted Context free language problem
Mar
25
comment Context free language problem
Thanks for the help!
Mar
25
comment Context free language problem
Ah ok so you can eliminate one of them because having the left side unbalanced and right side balanced is the same thing as having the right side imbalanced and left side balanced since both of them just contribute to the middle having one extra "a". Thus this eliminates the ambiguity in the language. Is this the right line of thought?
Mar
25
asked Context free language problem
Mar
13
awarded  Nice Question
Mar
1
awarded  Popular Question
Feb
23
asked stochastic dominance
Feb
22
accepted Basic regular expressions problem