NP2008
After the removal of Garrett Lisi's paper from the hep-th arxiv, Carl Brannen pointed out on Louise's blog that any publicity was good publicity, and that we should now announce a conference for the New Physics. So I hereby offer my Christchurch garden as an excellent venue for NP2008: a half hour bus ride into town, nearby walks, internet connection (I might need to borrow a computer, but people will have laptops anyway) and good weather outside the months June to September. What do you think?
Amongst those I would like to invite (as plenary speakers) are Carl Brannen, Michael Rios, Matti Pitkanen, Tony Smith, Louise Riofrio, Garrett Lisi, Laurent Freidel, Urs Schreiber, Bob Coecke and Lubos Motl. Unfortunately, you will all have to pay your own way, but a sleeping bag and a tent is a cheap option.
Amongst those I would like to invite (as plenary speakers) are Carl Brannen, Michael Rios, Matti Pitkanen, Tony Smith, Louise Riofrio, Garrett Lisi, Laurent Freidel, Urs Schreiber, Bob Coecke and Lubos Motl. Unfortunately, you will all have to pay your own way, but a sleeping bag and a tent is a cheap option.
posted by Kea | 8:59 AM
42 Comments:
Thank you very much Kea, for the first plenary speaker invitation I have ever had. I happily accept.
Although I strongly disagree with Carl that the Cornell arXiv action downgrading Garrett's paper was "a wonderful thing",
I do agree with Carl about a New Physics conference.
Also, I have not been to Christchurch since about 30 years ago, and I remember it as the nicest city I have ever seen (being near both mountains and beaches).
Tony Smith
Hi Tony. I could also arrange kayaking, tramping, mountaineering, whale watching and other side activities.
Tony, from my point of view, over the long run, what really matters is what today's crop of grad students chooses to study. Advances in physics happen because those new grad students realize that they can crank out results more efficiently with the new methods.
And there is no better way to get those grad students exposed to the new methods then for them to be widely discussed with top notch researchers coming down on both sides of the issue with a highly emotional full fledged academic food fight, the messier the better.
The primary interests of human beings are sex and violence. The only way to get better exposure for a physics idea would be to have a murder between two opponents on the issue, who are also lovers.
Actually, I'd like to suggest that your ranch would make a great place to meet. Another great place would be California, where we can all go snow boarding with Garrett.
Carl, I am afraid that I have no ranch,
and am just a mostly retired old lawyer living in a house in a small town in Georgia,
so I am not in a good place to host the meeting.
As to Garrett hosting it around Tahoe, my guess is that his career would be hurt even more than it is now if he were to do such a thing.
Consider how much damage he incurred by writing an acknowledgment that mentioned Peter Woit and me. Lubos Motl said in his blog on 7 Nov 2007:
"... Tony Smith is among the crackpots thanked to in the acknowledgements. Next time, he may also submit his own paper supported by similar endorsers. And maybe A. Garrett Lisi will become an endorser himself. Really entertaining times will start afterwards: the hep-th era of Jack Sarfatti, Tony Smith, Peter Woit, and their friends. ...
What [ you Garrett Lisi are ] doing is just a completely childish and trivial sequence of mistakes and meaningless mathematical masturbation that puts you into the same category as Tony Smith. ...".
As Peter Woit said in his blog about Lubos's attack quoted in part immediately above:
"... Lubos Motl on his blog denounced the fact that Garrett’s paper appeared in the hep-th section of the arXiv, then later wrote in to Sabine’s blog to crow that it had been removed from hep-th. As always with the arXiv, how moderation occurs there is non-transparent, so I [ Peter ] don’t know how or why this happened. My [ Peter's ] own experience with the arXiv over trackbacks to hep-th has been a highly disturbing one. The current hep-th policy seems to be to allow any sort of nonsense to be posted there if it fits into the current string-theory-based ideology ... while suppressing any criticism of this. A paranoid person might be tempted to wonder whether hep-th is being moderated by someone so ideological and petty that criticism of string theory or including string theory critics in an acknowledgment section would be cause for having ones article removed from hep-th ...".
Tony Smith
Thank you for a kind invitation. Me as a plenary speaker! Tastes good! If I manage to get private funding (there are some good hopes and the thing will be settled within a week) I might be able to pay my own travel expenses and buy even my own sleeping bag and my own tent!
Matti
Matti, don't worry too much about funding for such a visit. By the time we can organize such a thing, say next summer, I expect I will be able to contribute funds to support it.
With the new way that arXiv is organized the consignment to general physics does not change the link to the article. As Garrett says, there are other papers referring to this one in process.
Last year arXiv wanted to demote my hep-ph paper to physics. Being an amateur, I don't have a gun pointing at my head requiring me to publish or perish, so I told them to pull the paper because it was "out of date", and never sent them another.
But despite my intransigence, the non arXived paper got four references in the peer reviewed journal articles. And I didn't even make a big fuss or get much exposure. Garrett's paper is going to be talked about all the rest of the year and will have 100 citations before a year is out, I believe, whether it is on physics/general or biology/general.
But let's get off this topic, (i.e. the sociology of physics) and get back to physics itself.
Tony, do you (or anyone else) have an explanation for why a simple Lie group should be involved in the Theory of Everything?
What I'm looking for is a reason to prefer a simple Lie group rather than a non simple Lie group. In other words, is there a reason why packing the known particles (which I'm pretty sure are composite) into a simple Lie group is more convincing then packing them into some non simple group?
From my point of view, symmetries are how we solve problems, rather than objects at the foundations of physics themselves. What I'd really like is a reason that simple Lie groups might arise from, say, minimizing solutions to a differential equation.
Oh, and before I forget, I should mention that when I was thinking about "murder as a great way to popularize a method of mathematics," I was of course thinking of Galois.
In industry, sex and violence sell well, and I have no doubt that the human tastes in academia are the same.
Carl, you ask for "... a reason to prefer a simple Lie group rather than a non simple Lie group ...".
My view is that it is to reduce the number of free parameters, and so make calculated particle masses, force strengths, etc more rigid and not subject to fudge factors etc.
Within a simple object, like the simple Lie group like E8 or a single Clifford algebra like Cl(8),
everything is directly connected to everything else so that, if the object contains everything observed (all the particles, gauge fields, etc) then there are not many free parameters.
For example, in my model based on Cl(8), the only tree level mass/energy input can be the Higgs VEV, and ALL the others are FIXED ratios of it.
As to Galois, acccording to Terry Gannon's paper at math.QA/9906167:
"... after frustration over failure in love and failure to convince the Paris math establishment of the depth of his ideas ... A duel [ on 30 May 1832 ] was arranged with a friend, but only his friend's gun would be loaded. ...
At his funeral it was discovered that a famous general had also just died, and the revolutionaries decided to use the general's death rather than Galois' as a pretext for an armed uprising ...".
According to the Galois biography by Laura Toti Rigatellli:
"... Auguste Chevalier ...[ recipient of ]... Galois' .. letter ... written on 29 May 1832 ... made several copies of ... the memoire which the Academie had turned down ... was ... submitted to famous mathematicians, but only attracted the attention of Joseph Liouville ... The memoire ... was only published fourteen years later [1846]. ...".
According to a review by Roger Cooke of the Rigatellli biography:
"... none of the French mathematical establishment comes out of this biography looking good. ... Cauchy ... ignor[ed] the brilliant work of a young mathematician who really needed his support ... Poisson and Lacroix delayed judging Galois' memoir on solvability of equations by radicals. When forced to render a judgment, they got it wrong, thereby depriving Galois of the credit he deserved and, as he later wrote, relegating him to the ranks of circle-squarers ...
It isn't pleasant to read that the cranks are sometimes right, even in mathematics, but at least it isn't boring. ...".
So, my view is that Galois' death did not accelerate the acceptance of his ideas, but may have retarded it because he was not around between 1832 and 1846 to propound his ideas.
In other words, I don't see any silver lining in the clouds of blacklisting and downgrading.
Tony Smith
Hi Kea,
Elliptical functions are planar helical functions.
EE appears to have two publications that may link to David Hestenes 'zitterbewegung'.
1a-look on Google books for:
Hamish Meikle
A New Twist to Fourier Transforms
1b-Maple Product Description:
A New Twist to Fourier Transforms
http://www.adeptscience.co.uk/
products/mathsim/mapleconnect/
fourier.html
2-A. Mahalov1, 2, 3, E. S. Titi1, 2, 3 and S. Leibovich1, 2, 3
(1) Center for Applied Mathematics, Cornell University, Ithaca, New York
(2) Department of Mathematics, University of California, California, Irvine
(3) Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York Received: 21 December 1989
Invariant helical subspaces for the Navier-Stokes equations
http://www.springerlink.com/
content/u233538u255206u3/
Hi Kea, I am not a physicist and would not want to pretend to be one, but I would be interested in whether your potential conference participants have discovered anything new about the mathematics of exceptional structures or Jordan algebras.
Also, Kea, I hope that you have somehow personally benefitted from the great strength in the kiwi versus our poor sickly U.S. dollar.
Great idea about a conference! We must work on the details.
A comment about Jordan algebras. Wikipedia contains very clear summary of Jordan algebras, which have remained somewhat unclear stuff for me. Also gamma matrix algebra with real coefficients is Jordan algebra.
I was also surprised to find that Jordan algebra emerges naturally in TGD framework. Hermitian elements n of sub-factor N define symmetries of M-matrix M identified as Connes tensor product (nM=Mm, n Hermitian: for complex combinations of Hermitian elements one has n^*M=Mn). Hermitian elements of N with product defined as the symmetrized product indeed form a Jordan algebra.
Usually Hermitian generators of symmetries do not form a Jordan algebra. Now they do and the physical interpretation is that M-matrix has maximal possible symmetries. Hermitian generators of N would define the Lie-algebra of maximal symmetry group.
"Amongst those I would like to invite (as plenary speakers) are Carl Brannen, Michael Rios, Matti Pitkanen, Tony Smith, Louise Riofrio, Garrett Lisi, Laurent Freidel, Urs Schreiber, Bob Coecke and Lubos Motl."
It's very sensible of you to invite Dr Lubos Motl and not boring old me, Kea! At least Lubos might stir up some loud, news-making controversy and food-fights, instead of making everyone fall asleep with irritation and boredom.
But let's get off this topic, (i.e. the sociology of physics) and get back to physics itself.
Carl,
It sounds paradoxical but I believe that sociology of physics comes before physics. Consider what Thomson wrote in 1928:
"Not so long ago atom was regarded as indivisible, impenetrable, eternal, unaffected by heat, electricity or any other physical agent."
This is culture. Professional physicists have been believing in these eternal objects that violate all known conservation laws and all known processes of nature because it is in their culture.
This social assumption of eternal particles then defines the "physical" theories they invent. If physicists base their theories on the existence of eternal particles, however elegant mathematics they may be using to model those particles their theory will still be a by-product of culture of physics.
Nigel, of course you are also welcome at the conference, but Motl would be invited particularly for his contribution of tripled Pauli statistics, as well as the humour value.
This comment has been removed by the author.
Thanks, Kea. But what's exciting about Lubos's paper http://arxiv.org/abs/gr-qc/0212096 which he had published in Adv. Theor. Math. Phys. v. 6 (2003), pp. 1135-1162.
"Recently it has been proposed that a strange logarithmic expression for the so-called Barbero-Immirzi parameter, which is one of the ingredients that are necessary for Loop Quantum Gravity (LQG) to predict the correct black hole entropy, is not another sign of the inconsistency of this approach to quantization of General Relativity, but is rather a meaningful number that can be independently justified in classical GR. The alternative justification involves the knowledge of the real part of the frequencies of black hole quasinormal states whose imaginary part blows up. In this paper we present an analytical derivation of the states with frequencies approaching a large imaginary number plus ln 3 / 8 pi M; this constant has been only known numerically so far. We discuss the structure of the quasinormal states for perturbations of various spin. Possible implications of these states for thermal physics of black holes and quantum gravity are mentioned and interpreted in a new way. A general conjecture about the asymptotic states is stated. Although our main result lends some credibility to LQG, we also review some of its claims in a critical fashion and speculate about its possible future relevance for Quantum Gravity."
Lubos' "tripled Pauli statistics" concern the Hawking radiation emission from black holes and the entropy of the black hole during this process, etc.
It would be nice if this could be applied to real world problems. The mechanism for Hawking radiation emission from a black hole is that you must have pair production near the event horizon, and one charged particle falls into the black hole (at random) while the other escapes from the event horizon. The random collection of escaping charges outside the event horizon mean that you get annihilations which create gamma rays. These gamma rays will suffer severe gravitational redshift as they escape.
What worries me about this "physics" is that for pair production to occur near the event horizon, there must be an electromagnetic field in excess of the Schwinger threshold for pair production, some 1.3*10^18 v/m, which is a very strong field.
Hence, it seems as if black holes must carry a large net electric charge if they are to emit any Hawking radiation at all.
But if you have a highly charged object, then the Hawking radiation will be modified, because you will no longer have merely random particles in every pair falling into the black hole. E.g., if the black hole is positively charged, then the particles falling into it may be mainly negative, so you get mainly positive charges escaping from the event horizon.
This actually explains the mechanism for electromagnetism by exchange radiation quite nicely: see figs. 4 and 5 of http://nige.wordpress.com/about/
You just need a SU(2) group where the 3 vector bosons are not always massive, but also exist in massless forms. This works, with the massive forms of the 3 vector bosons giving the weak interaction, while the massless forms give EM and gravity. See fig. 2 of http://nige.wordpress.com/2007/06/20/the-mathematical-errors-in-the-standard-model-of-particle-physics/ to see how charged massless radiation can propagate if it is being exchanged between charges continuously (the infinite self-inductance problem for one-way motion of massless charge doesn't exist for the same charged massless radiation going in opposite directions, because each vector cancels the B-field of the other!).
Of course, to a mathematician who doesn't care about physical mechanisms, my concern here (and particularly, my constructive demonstration of how to solve these problems) is a load of embarrassing, loony, crackpotism.
It's possible that Lubos's paper is relevant to physics. The gauge boson exchange radiation of quantum electromagnetic forces and quantum gravity need to be considered as special kinds of Hawking radiation, and all fundamental particle cores need to be considered to be special (charged) types of black hole.
In my opinion it is loony, etc., not to investigate this carefully. However, the Middle Age attitude of worshipping published long-standing experts like Aristotle over newfangled ideas based on facts, is with us. Truth isn't always quite as popular as the hyped up stringy stuff.
Nige
Marni, I've figured out what happens when you translate Garrett's theory into density matrix form and it is cool beyond belief. It's a natural preon theory.
Carl said ".. when you translate Garrett's theory into density matrix form ... It's a natural preon theory. ...".
Over on physicsforums, Carl elaborated, saying:
"... E8 is related to the isometries of OxO where O is the octonions. The octonions are not associative, but they are close. If you could adjust the signs in the multiplication table, they would be associative. ...".
When you adjust the signs to make Octonions associative, you get the 8-dimensional Clifford algebra CL(3) = Q + Q, the direct sum of two Quaternion algebras.
Carl went on to say:
"... when you translate octonionic symmetry operations on spinors into octonionic symmetry operations on density matrices, you end up with a density operator theory that IS associative ...".
In the book Division Algebras: Octonions, Quaternions, Complex Numbers and the Algebraic Design of Physics,
by Geoffrey Dixon (Kluwer 1994) whose web site is at www.7stones.com
Geoffrey Dixon says (in this quote I am changing his notation for Clifford algebras) :
"... The 8-dimensional O itself is the object, or spinor, space of the adjoint algebra ... The adjoint algebras of left and right actions ... O_L and O_R ... of O on itself ... are the same algebra ... isomorphic to R(8) [ the 8x8 real matrix algebra, and ]... are associative ...
Since ... O_L and O_R ...[are]... isomorphic to R(8), and O is 8-dimensional, we call ... O_L and O_R ... complete. ...
{As a Clifford algebra]... O_L = Cl(6) ... The spinor space of Cl(6) = R(8) [ 64-dimensional 8x8 real matrix algebra ] is the space of real 8-spinors, but ...[can be]... represented as ... just O itself, the 8-dimensional object space of O_L ...
The 2-vector subspace of the Clifford algebra ... Cl(6) ... close[s] under commutation and so become[s] Lie algebra... Spin(6) ...".
Note that Spin(6) is the Euclidean version of Spin(2,4) = SU(2,2) = Conformal Group that can be used to get Gravity by the MacDowell-Mansouri mechanism.
Carl went still further, saying:
"... E8 is related to the isometries of OxO ... the OxO translates into E8 being a model of composite particles made from two quantum objects with |O| symmetry ...".
If you regard 248-dim E8 as being made up of the 120-dim adjoint of Spin(16) and a 128-dim half-spinor of Spin(16),
you can see the 128-dim half-spinor part as the coset space
E8 / Spin(16)
which is described in the book Einstein Manifolds (Springer 1987) by Arthur L. Besse (a pseudonym a la N. Bourbaki) as Rosenfeld's elliptic projective plane (OxO)P2.
Rosenfeld's book Geometry of Lie Groups (Kluwer 1997) has a lot of detail about the geometry of E8.
Some material relating E8 to Cl(16) and Cl(8) is on my web site at
tony5m17h.net/E8fromClif8.html
Here I will just note that Spin(16) is the bivector Lie algebra of Cl(16) and that by 8-fold periodicity of real Clifford algebras Cl(16) = Cl(8) (x) Cl(8) where (x) is the tensor product. Also, on that web page I may use the word "spinor" where I should have used the word "pinor", but I hope the ideas are clear from context.
I also have a web page about the fundamental representations of E8 at
tony5m17h.net/DCLG-McKay.html#E8
Here I will only note that E8 is the end of the lE-series of exceptional Lie algebras, and is the only one for which the smallest fundamental representation has the same (not smaller) dimension ( 248 ) as the adjoint representation.
Tony Smith
Carl and Tony, that's fantastic! I'm also curious to hear what kneemo thinks of this.
Today (13 November 2007) Peter Woit's blog says, about Garrett Lisi's paper on the Cornell arXiv at 0711.0770
"... Latest news about this is that the paper has now been reclassified again, to the perfectly appropriate hep-th, cross-listed as gr-qc, although no one seems to know why this happened. ...".
As to its history after initially submitted on 6 November 2007, Peter Woit said
"... I hear from Garrett that the story of this paper at the arXiv is that it was submitted to gr-qc, not hep-th. Before it was posted, it was re-classified as hep-th, and appeared there. Later on (after the appearance of Lubos’s blog entry denouncing the arXiv for allowing the paper on hep-th I believe), it was re-classified again, this time as general physics (with cross-listing to hep-th). ...".
It seems to me that there must be a heirarchy of authority at the Cornell arXiv:
initially administrative people put stuff where it was submitted. Those people have even approved stuff I submitted after I was blacklisted, so they seem to work primarily on merit. they may be the ones who liked it and put it on hep-th since it dealt with a full TOE, not just gravity;
then, a bit later, moderators review some papers, probably mostly from people on a watch list or who list blacklisted people (like me) in their acknowledgements or references (as Garrett did) or whose papers are disliked by influential people like Lubos Motl. This is probably what put the paper in gen-ph;
and then, somewhat later, maybe some high-level establishment people (so high even Cornell might listen to them) might have some interest in the paper either because they actually like its physics, or because they have a vested interest in proving that they don't invite crackpots to present papers at their institute,
and
if those high-level people intercede with the Cornell arXiv, the paper might get reclassified back upwards to hep-th with cross-listing to gr-qc.
So, it seems to me that the inner workings of the Cornell arXiv blacklisting bureaucracy may be becoming as convoluted as the Roman Catholic bureaucracy during the Inquisition (for example, compare the Venetian Inquisitors (relatively tolerant of Galileo's ideas) with the Roman Inquisitors (to whom Galileo gave jurisdiction by going there, and who were not tolerant of his ideas).
The fact that such reclassification decisions are taken in secrecy with no attempt at rational explanation makes the Cornell arXiv bureaucracy even worse than the Roman Catholic Inquisition, which actually did conduct trials at which the accused could present his case.
Tony Smith
Tony, I wish I had understood what you were doing at a deeper level earlier. We really do need to get together. It is so much easier to learn that way.
I'm continuing to make progress at deriving E8 from a preon model. Symmetry breaking in my model comes from assigning the blades of the algebra a hierarchy of characteristic energies. So an electric monopole (i.e. electron) has less energy in its field than a magnetic monopole because the electric field is a vector (1-blade), while the magnetic field is a bivector or covector or psuedovector (2-blade).
What I want to do next is to look more carefully at the assignment of quantum numbers, particularly the ones that are hidden. In my version there are also 8 quantum numbers. They correspond to the 8 terms in a primitive idempotent defined for the Clifford algebra C(4,1).
That is, if A, B, and C are three independent quantum numbers, then the 8 quantum numbers for the preons are 1 (i.e. the scalar or mass), A, B, C, AB, AC, BC, and ABC. The quantum numbers are all +-1 and are multiplicative. And I have an extra U(1).
The first objective in doing this is to get the preon content of the gauge bosons nailed down.
I just listened to Garrett's latest talk with slides. That was very clear and helpful. Thanks, Garrett!
I'm in.
Heh Garrett! Welcome to AF. Good to see you here.
I'm re-re-reading Baez's paper on the Octonions and their connection to E8 and Jordan algebras and all that. Wow. I have too many things to write down.
It is so embarassing that I had kneemo giving me personalized lectures on this for the past year, but didn't understand it. Like a dog, I'm afraid that all I hear is "blah blah blah Carl blah blah blah density matrix blah blah blah".
Carl, I can assure you that I feel stupider than you do.
Heh, Carl, check out this new Mottle quote:
Carl Brannen from the same circles as Lisi wrote ...
Compared to the rest of the string theory contingent, Motl is almost polite. The rest are simply ignoring it. But none of this really matters because this idea has legs.
In the absence of sex and violence, the human species next loves human interest stories. A great example is "surfer dude discovers new physics", which isn't that far from "fork lift driver teams up with waitress to write astounding physics paper".
LOL!! And yes, I agree that Motl is more polite than most in the sense that he is honest.
Although I don't work actively in theoretical physics at the moment, I'm fascinating by the ideas of Tony Smith, Matti Pitkanen and others involved with this, and if there is a conference involving you all I'll be very happy to attend and listen and learn. (Although, I did recently get a paper on octonions and physics accepted to the Electronic Journal of Theoretical Physics, inspired by some discussions with Tony Smith 10 years ago.)
I wonder if it would be possible to get the Perimeter Institute to host such a conference. Not that they would be endorsing all the ideas of the attendees -- just that they would be interesting in brainstorming and hearing "fringe" points of view. They are skeptical of the string theory orthodoxy, and they are already funded ergo don't need to worry so much about the opinion of the academic mainstream.
Just a thought...
Ben Goertzel
www.goertzel.org
I guess I know enough people at the PI to be quite certain that they're not going to host NP2008.
But wheels are turning, and one way or another, we will get an NP2008 hosted. One of the primary problems is money.
Welcome to AF, Benjamin. Given that the people at PI do a good job of ignoring us, despite the fact that I have met most of them personally, is probably evidence that they have NO interest in hosting this conference. But I am very happy to hear that if we do organise a conference, that other people will consider attending.
Bummer that PI is not more open-minded. I guess that means we are outside the perimeter ;-) ... My own attitude is, I have no clear idea what the right theory of fundamental physics is, but I have strong doubts that the mainstream has got it, and I am excited about the richness and diversity of novel and intricate ideas that this group has...
(As an aside, I lived in new zealand for a year in the early 90's, and would enjoy a chance to visit again ... I was a CS prof at Waikato University...).... My own bias is to try to place mind-matter feedback at the roots of physical theory, and I've had some mathematical ideas how to do this (e.g. using a subjectively-defined probability distribution to weight Feynman-type path integrals), but haven't had time to work on that stuff for years due to being distracted by my other crazy project of trying to create strong AI ;-)
Ben
Gee, I am really impressed by your site and the look of your books! It would be great to meet you at NP2008. I've never lived in the North Island myself, but they do seem to have some top notch CS people up there.
Another possibility might be to have the conference in China. Cost of food and housing is very low there, but it's of course an expensive flight from most other places. However, I have a friend at a university there who would be happy to have his university host the conference. He is an Australian physicist/AI-guy who works, among other areas, in topological quantum computing...
However, I have a friend at a university there who would be happy to have his university host the conference.
Whoa! Seriously? That would be fantastic! Of course, it might make Carl's efforts to get funding (in the U.S.) all that more difficult, but University backing can't do us any harm.
About China: Well I probably spoke too aggressively.... But I think it's reasonably likely that my friend could get his university in China to host a NP conference. The Chinese are pretty interested in frontier science these days. The interesting question would be whether the Chinese gov't would spring for a few invited speakers' airfares... I don't have a good sense of that, but it doesn't seem out of the realm of likelihood.... If this seems interesting I could ask him about it in a couple weeks (he is currently negotiating a move to a different Chinese university than where he's currently teaching, so I'd need to wait till that negotiation is done...). As an aside, his big thing is topological quantum computing, so I'm curious if any of y'all think your NP theories have interesting implications for TQC.
TQC is a big motivation for my own point of view. I spent a few years studying it back in the mid 1990s and it was one of the main reasons I got so interested in Category Theory.
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