On 1/10/2012 12:48 PM, meekerdb wrote:

On 1/10/2012 7:48 AM, Bruno Marchal wrote:In a way, that strong form of CT might already be false with comp,only in the 1p sense as you get a free random oracle as well asalways staying consistent(and 'alive'), but it's not false in the 3pview...## Advertising

Yes. Comp makes physics a first person plural reality, and a prioriwe might be able to exploit the first plural indeterminacy to computemore function, like we know already that we have more "processes",like that free random oracle. The empirical fact that quantumcomputer does not violate CT can make us doubt about this.I don't think that is so clear. Nielsen has written some papers oncomputations in QM that are not Turing emulable, essentially relyingon the fact that QM uses real numbers. He suggests that QM should berestricted to avoid this kind of hypercomputation by dropping theassumption that all unitary operators are allowed.Brent

Hi Brent,

`Could we achieve the same thing by restricting the vector (Hilbert)`

`space of linear functionals to a finite (but very large) field? Another`

`possibility is that there is a local preference of basis for a given set`

`of homomorphisms between the Hilbert spaces of a given pair of`

`interacting quantum systems. Here is a nice video lecture on the math of`

`this: http://www.youtube.com/watch?v=zkU1UdS4Dps&feature=related`

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