On Tuesday, December 4, 2018 at 3:45:32 PM UTC-6, Bruce wrote: > > On Wed, Dec 5, 2018 at 6:58 AM Philip Thrift <[email protected] > <javascript:>> 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 >
How is *sum over histories with Darwinian selection* (as defined) not quantum Darwinism? Operationally, what is different? - pt -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
