On 5/20/2012 7:13 PM, Stephen P. King wrote:

On 5/20/2012 4:39 PM, meekerdb wrote:On 5/20/2012 1:31 PM, Stephen P. King wrote:My point is that for there to exist an a priori given string ofnumbers that is equivalent our universe there must exist acomputation of the homomorphies between all possible 4-manifolds.Why?Hi Brent,Because otherwise the amazing precision of the mathematical modelsbased on the assumption of, among other things, that physical systemsexist in space-time that is equivalent to a 4-manifold. Themathematical reasoning involved is much like a hugeJenga tower<http://en.wikipedia.org/wiki/Jenga#Tallest_tower>; pull the wrongpiece out and it collapses.

`I need to add a remark here. We cannot just assume one particular`

`4-manifold as the one we exist on/in. We have to consider the entire`

`ensemble of them to even ask coherent questions about the one we are in.`

`Why do you think cosmologists are so busy looking at such things as the`

`spectral distribution of the CMB and so forth? It is because those are`

`clues as to the specific type of 4-manifold that we are on/in.`

`Additionally, when we try to model the cosmology setting of many`

`observers and their observations we have to consider that each observer`

`has a ensemble of possible of 4-manifolds that represent the universe`

`that they observe.`

-- Onward! Stephen "Nature, to be commanded, must be obeyed." ~ Francis Bacon -- You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to everything-list@googlegroups.com. To unsubscribe from this group, send email to everything-list+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/everything-list?hl=en.