All reports by Author Bjørn Kjos-Hanssen:

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TR10-150
| 19th September 2010
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Bjørn Kjos-Hanssen#### A strong law of computationally weak subsets

Bjørn Kjos-Hanssen

We show that in the setting of fair-coin measure on the power set of the natural numbers, each sufficiently random set has an infinite subset that computes no random set. That is, there is an almost sure event $\mathcal A$ such that if $X\in\mathcal A$ then $X$ has an infinite ... more >>>