On Wed, Dec 5, 2018 at 6:58 AM Philip Thrift <[email protected]> wrote:

>
> On Tuesday, December 4, 2018 at 1:53:15 PM UTC-6, Brent wrote:
>>
>>
>> On 12/4/2018 12:25 AM, Philip Thrift wrote:
>>
>>
>> 1. Histories originate at an emitter e and end at screen locations s on a
>> screen S.
>> 2. At each s there is a history bundle histories(s). A weight w(s) is
>> computed from the bundle by summing the unit complex numbers of the
>> histories and taking the modulus.
>> 3. The weight w(s) is sent back in time over a single history h*(s)
>> selected at random (uniformly) from histories(s).
>> 4. At e, the weights w(s) on backchannel of h*(s) are received (in the
>> "present" time)
>> 5. A single history h*(s*) is then selected from the distribution in 4.
>>
>>
>> How is it selected?  Above you said "at random".  But that implies there
>> is already a probability measure defined on the histories.  How is this
>> probability measure determined?  Or put another way how do you determine
>> what histories to consider to form the bundles in step 2?
>>
>> Brent
>>
>
> Selection happens via quantum Darwinism.
>


Do you have even the faintest understanding of Quantum Darwinism?

Bruce

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