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the question on my mind is whether, if we start trying to understand
hep-th/0502106 will we occasionally get help from people who understand it better and who might look in sometimes?
this is something we cannot tell in advance and it depends to some extent on how capable we are on our own
so here is the situation. it is an important paper (as is the whole Ponzano Regge series I, II, III, by Freidel et al) and it has things I totally do not comprehend like "Non-Commutative Braided Field Theory". but there are some hopeful aspects of the situation:
1. Freidel et al are clear writers----look at the table of contents and the introduction of hep-th/0502106---it is very organized. Maybe we should call the paper P3 as short nickname for "ponzano regge model revisited III feynman diagrams and effective field theory"
2. It begins to include some matter----look at the end.
3. it makes things work out OK in 2+1 dimensions. the exciting possibility is that they might get the same program to work in 3+1 D.*
4. etera dropped in and posted a couple of very helpful clarifying posts in other threads.
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what I don't understand: I have not even begun to inventory this, there is too much. Like in section 4 there is the "star product". So instead of jumping around let's start at the the beginning: section 1 Introduction.
If anyone else wants to try reading this (and possibly getting some help from more knowledgeable folks) please post if you don't understand something about section 1.
* if they can get the same program to work in 3 + 1 D then curiously enough that seems to wrap up Quantum Gravity to a considerable extent.
something to think about.
(also remember the Freidel/Starodubtsev paper attempting a perturbative setup compatible with this)
hep-th/0502106 will we occasionally get help from people who understand it better and who might look in sometimes?
this is something we cannot tell in advance and it depends to some extent on how capable we are on our own
so here is the situation. it is an important paper (as is the whole Ponzano Regge series I, II, III, by Freidel et al) and it has things I totally do not comprehend like "Non-Commutative Braided Field Theory". but there are some hopeful aspects of the situation:
1. Freidel et al are clear writers----look at the table of contents and the introduction of hep-th/0502106---it is very organized. Maybe we should call the paper P3 as short nickname for "ponzano regge model revisited III feynman diagrams and effective field theory"
2. It begins to include some matter----look at the end.
3. it makes things work out OK in 2+1 dimensions. the exciting possibility is that they might get the same program to work in 3+1 D.*
4. etera dropped in and posted a couple of very helpful clarifying posts in other threads.
==========
what I don't understand: I have not even begun to inventory this, there is too much. Like in section 4 there is the "star product". So instead of jumping around let's start at the the beginning: section 1 Introduction.
If anyone else wants to try reading this (and possibly getting some help from more knowledgeable folks) please post if you don't understand something about section 1.
* if they can get the same program to work in 3 + 1 D then curiously enough that seems to wrap up Quantum Gravity to a considerable extent.
something to think about.
(also remember the Freidel/Starodubtsev paper attempting a perturbative setup compatible with this)
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