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Questions about operations on objects of some kind that result in objects of the same kind.
1
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1
answer
276
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is the class NP closed under set difference?
I know P is closed under all Boolean operations, but what about NP?
is NP closed under set difference and symmetric difference?
is this table accurate?
Edit:
updated table:
1
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1
answer
65
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P NP R RE closures
I wrote the following table for all the closures in those classes.
is anything there incorrect?
also, would appreciate help with coNP and coRE closures. couldn't find much information about it online. …
1
vote
Accepted
P NP R RE closures
updated table:
"?" means it's an open question (unkonwn)