Questions tagged [nc]

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Why sum of two binary numbers cannot be determined in $NC^0$ but in $AC^0$?

Why sum of two binary numbers cannot be determined in $NC^0$ but it can be determined in $AC^0$?
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What is the relation between NC and P/poly?

I am unable to see a clear explanation of how the classes NC and P/poly intersect or not. (and if they do intersect then how and where? and if not then what is the proof?)
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Given a PRAM may use arbitrarily many processors, why is Hamiltonian Cycle not in NC?

In my parallel algorithms class, the PRAM model is described as having an "arbitrary number of processors, bounded by some polynomial in the input size." I think that this may be missing a constraint....