Randomness Complexity
How many random bits a protocol or circuit needs, as a resource to be minimized in its own right.
| Status | Statement | Tags |
|---|---|---|
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Sources vs Randomness Blowup Conjecture 13 of the source. Its companion question – how many parties must be able to toss coins – is settled exactly by the same paper: t sources for deterministic functionalities, t+1 for randomized ones, even though the adversary may corrupt all of them. What the count costs is not settled. Both halves of the Theta are open. 5 open |
Random SourcesRandomness Complexitytight-bound | |
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Randomness Complexity of XOR The source proves an Omega(t^2) lower bound, matching Kushilevitz and Mansour’s non-explicit O(t^2 log(n/t)) upper bound up to a logarithmic factor, and up to a constant factor when t = Omega(n). It also gives an explicit protocol at O(t^2 log^2 n). It states it leaves the remaining polylogarithmic gaps open. 4 open |
Limited IndependenceRandomness Complexitytight-bound |
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