I'm reading about bundes and connections but I cannot get past a little problem involving path-ordered exponentials. I hope someone can help me out. I'll try to state the problem as well as possible with plain text LaTeX. My question is just this: How does the the integral (of a general...
I wonder why this topic got bumped into "Strings, Branes, & LQG"? I guess the geometrical background-free aspect of Heim theory bears a vague relation to LQG?
For my 2cw, I agree with Hdeasy's earlier posts: that the fundamental physics of Heim theory is far more important than the hyperdrive...
Short question: Can anyone provide me with a nice synopsis of how to go about proving the "existence" of some object as often requested in math questions such as, "prove that X really exists and is unique"? In other owrds, in general, when presented with an "existence" question, is there a nice...
I wanted to reply to this message from Carl but I haven't come up with much of interest to say, other than that this work looks really cool, but I'm not sure how it could be used for 4D gravity and 4-geons.
My main question after cursorily browsing the paper would be "how can this type of...