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Randomness is a key component of probabilistic algorithms, many combinatorial aarguments, the analysis of hashing functions, and in cryptography, among other applications.
-1
votes
1
answer
249
views
Does two-sided error have more capability than one-sided error?
From $P=RP$ extrapolation we might think $EXP=REXP$.
What evidence do we have $BPP\subseteq REXP$?
What consequence $REXP\subseteq BPP$ gives other than what $EXP\subseteq BPP$ gives?
8
votes
2
answers
915
views
Proof Strategies on P versus BPP
Typically to show $P=NP$, one has to show an NP complete problem has a polynomial time solution and to show $P\neq NP$, has to show an NP complete problem has superpolynomial lower bound. These are br …
4
votes
1
answer
203
views
Arithmetic Analogues of P versus BPP
Particularly is there a notion of randomness there?
If there is no such analogy, why is randomness in the resource bounded case special? Any references will be great. …
-2
votes
1
answer
337
views
What is the status of intermediate problems if P is not NP in worst way imaginable?
Where does complexity of intermediate problems stand in this case and utility of randomness stand in this case?
What is scenario if $P= BPP\neq NP$ or $P\neq BPP=NP$ holds? …
0
votes
1
answer
138
views
Derandomizing arbitrary width *read-many* and *ordered* branching programs?
Modifying following TedP
We know that derandomizing width $5\leq k\in O(1)$ read many branching programs is equivalent to $BPNC^1=NC^1$ and derandomizing width $k\in\Omega(n)$ read once ordered branch …
6
votes
0
answers
234
views
Physical Proof for P versus BPP
Is there anything in physics that lets us avoid randomness?
Statistical mechanics and hence entropy is founded on randomness. … Entropy, information and randomness are all related and in this case can physical principles show $P=BPP$ or $P\neq BPP$ let alone the harder $P$ versus $NP$? …
4
votes
1
answer
350
views
UnambiguousSAT reductions
Let $\Pi$ be an $\mathsf{NP}$-complete problem. It is standard that $3SAT$ and $\Pi$ are reducible from each other.
Let UnambiguousSAT, or USAT for short, denote the promise problem which is 3SAT but …
4
votes
0
answers
190
views
On earlier references for $P=BPP$ and Kolmogorov's possible view on modern breakthroughs inv...
Kolmogorov and Uspenskii in this paper 'http://epubs.siam.org/doi/pdf/10.1137/1132060' speculate P=BPP in 1986. They do this without getting into circuit lower bounds and from a different view which f …
2
votes
1
answer
632
views
Is there a problem currently known to be outside class $\mathsf{NP}\cup\mathsf{coNP}$ but in...
May be this is trivial but I do not know the answer.
As far as we know $$\mathsf{BPP}\subseteq\mathsf{\Sigma}_2\cap\mathsf{\Pi}_2$$ holds.
As far as we know $$\mathsf{NP}\cup\mathsf{coNP}\subseteq\m …
0
votes
0
answers
57
views
Does randomness help depth?
Is there any evidence for whether randomness helps or not helps depth akin to evidence for $P=BPP$? …