On Monday, March 26, 2018 at 11:01:27 AM UTC-6, Bruno Marchal wrote: > > > On 25 Mar 2018, at 17:34, Lawrence Crowell <[email protected] > <javascript:>> wrote: > > > > On Sunday, March 25, 2018 at 5:01:59 AM UTC-6, Bruno Marchal wrote: >> >> >> Yes, and if someone argue that consciousness is not maintained whatever >> the substitution level is, it is up to them to explain what in the >> brain+local-evirnoment is not Turing emulable. I see only the “wave packet >> reduction”, but I don’t see any evidence for that reduction, and it would >> make Quantum mechanics inconsistent (I think) and not usable in cosmology, >> nor in quantum information science. To believe that the brain is not a >> “natural” machine is a bit like believing in some magic. Why not, but where >> are the evidences? >> >> >> Bruno >> > > There are a couple of things running around here. One involves brains and > minds and the other wave function reduction. > > The issue of up loading brains or mapping them come into the problem with > the NP-complete problem of partitioning graphs. I like to think of this > according to tensor spaces of states, such as with MERA (multi-scale > entanglement renormalization ansatz) tensor networks. The AdS_3 example > with H^2 spatial surface is seen in the diagram below. > > > <https://lh3.googleusercontent.com/-KTQRkq19A5k/Wre62NN61yI/AAAAAAAADTI/tYG0j0LYGBsd1SKZ38rnFaAFxj5PaOhrwCLcBGAs/s1600/MERA-AdS%2Btensor%2Bnetwork.jpg> > > This network has the highest complexity for the pentagonal tessellation > for these are honeycombs of the groups H3, H4, H5 corresponding to the > pentagon, dodecahedron, and the 4-dim icosadedron or 120/600 cells. These > groups will tessellate a 2, 3 and 4 dimensional spatial hyperbolic surface > embedded in AdS_3, AdS_4 and AdS_5. These define half the weights of the E8 > groups with the Zamolodchikov eigenvalues or masses. 5-fold structures have > connections to the golden mean, and the Zamolodchikov quaternions are > representations of the golden mean quaternions. A quantum error correction > code (QECC) defines a projector onto each of these partitioned elements, > but (without going into some deep mathematics) this is not computable in a > root system because there is no Galois field extension, which gives that > the QECC is not NP-complete. > > This of course is work I am doing with respect to the problem of unitarity > in quantum black holes and holography. It may have some connection with > more ordinary quantum mechanics and measurement. The action of a > measurement is a process whereby a set of quantum states code some other > set of quantum states, where usually the number of the measuring states is > far larger than the measured states. The quantum measurement problem may > have some connection to the above, and further it has some qualitative > similarity to self-reference. This may then mean the proposition P = NP or > P =/= NP is not provable, but where maybe specific examples of > NP/NP-complete algorithms as not-P can be proven. > > This further might connect with the whole idea of up-loading minds into > computers. Brains and their states are not just localized states but > networks, and it could well be that this is not tractable. I paste in below > a review paper on graph partitioning. This is just one possible theoretical > obstruction, and if you plan on actually "bending metal" on this the > problems will doubtless multiply like bunnies in spring. > > As a general rule once these threads gets past 100 I tend not to post any > more. It becomes to annoying to find my way around them. > > > > > That is interesting, and might even help later to recover notions like > space, but to keep the distinction between the communicable and the non > communicable part of the machines modes, which is needed for the mind-body > problème, we have to extracted such structure in some special way, using > the mathematics of self-reference. I am unfortunately not that far! It > might take some generations of mathematicians. > > Bruno >
The non-communicating regions can be in a quantum entanglement. LC -- 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.

