It assumes the mathematical multiverse hypothesis as was defined by Max Tegmark, where any mathematical structure defines an universe.
2014/1/22, Edgar L. Owen <[email protected]>: > Alberto, > > This is total nonsense. It assumes the universe did not evolve for 13.4 > billion years until life came along. > > It's even crazier than block time and MWI.... > > Edgar > > > > > On Wednesday, January 22, 2014 9:19:58 AM UTC-5, Alberto G.Corona wrote: >> >> in the mathematical multiverse hypothesis, there hasn't to be time at >> all. A mathematical equation has not something called "time". Time is >> the line followed by the Self Aware Structures and their evolution in >> them, if there are any life. >> >> No life, no time. If there is life, the lines of life-time follow the >> gradient of entropy, that in mathematical terms is also well defined. >> See for example "metric entropy". >> >> I explain that here: >> >> http://www.slideshare.net/agcorona1/arrow-of-time-determined-by-lthe-easier-direction-of-computation-for-life >> >> >> 2014/1/21, Pierz <[email protected] <javascript:>>: >> > I am putting this out in order to clarify my understanding - hopefully >> the >> > MWI experts out there can help me out here. A while back I asked whether >> > >> > the past can be undefined at a quantum level the way the future is. I >> asked >> > >> > this because I recall (somewhat vaguely unfortunately) reading or >> hearing >> > something from Stephen Hawking in which he appeared to argue that at a >> > certain very early point in the universe, there is no longer a single >> > history, but quantum uncertainty comes into play, with important >> > implications. Anyway, the response to my question indicated that most >> > people still assume that history represents a single, well-defined line >> > >> > through the multiverse (I'm assuming MWI here, even though I know it's >> not >> > the dominant theory/interpretation). >> > >> > I have been thinking about this and it occurs to me that firstly, the >> > single history is only partially true. Since quantum interference >> patterns >> > occur in MWI due to interference between universes, which can only occur >> > >> if >> > >> > universes can merge again after splitting, then at least at this level, >> > >> the >> > >> > past is not well defined. If a universe merges back with another from >> which >> > >> > it had temporarily diverged, then an observer within that universe >> cannot >> > say which path he followed to get there. She followed all possible >> paths. >> > Of course those divergent universes were only trivially different, or >> else >> > decoherence would have made the merging impossible. But of course in any >> > >> > real universe, there will be a vast number of such "nanohistories", >> because >> > >> > of the immense number of quantum interactions where merging occurs. So >> at >> > this very short time/space scale level at least, it is impossible to >> define >> > >> > a single history. Correct? >> > >> > However at a macroscopic scale, it appears difficult for history to be >> > intrinsically ambiguous. In other words the network of "nodes" of the >> > multiverse is like a tree not a net. There may be tiny branches that >> rejoin >> > >> > one another at the smallest scale, but the limbs of the tree cannot >> merge >> > back together. I can always define a single route back to the trunk, >> though >> > >> > if I go further up the tree, I will be forced to decide repeatedly which >> > >> > way to go. This branching is defined by time, so doesn't this >> effectively >> > give an "arrow of time"? Yet the laws of physics are not supposed to be >> > >> > directional in time except through aggregation of effects as entropy. >> Are >> > these two "arrows" related? How? >> > >> > -- >> > 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] <javascript:>. >> > To post to this group, send email to >> > [email protected]<javascript:>. >> >> > Visit this group at http://groups.google.com/group/everything-list. >> > For more options, visit https://groups.google.com/groups/opt_out. >> > >> >> >> -- >> Alberto. >> > > -- > 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 http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/groups/opt_out. > -- Alberto. -- 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 http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
