PeterDonis's latest activity

I'm not sure what you mean by "a coincidence". The model under discussion is a speculative model. As far as I can tell, the equivalence...

Sort of. It is a limiting case that is not actually part of the spacetime. Saying that "time was equal to zero" at that limiting case is...

You're certainly not the only one. :wink:

No. The expansion factor of 1100 is based on data, not models--all models have to account for it somehow. Yes, that's how the different...

That's correct. Not really. See below. Yes, but what that means is not that "you can think of the wave function collapsing either...

After moderator review, this thread will remain closed. After moderator review, the journal appears equally questionable. At any rate...

You use alphabet k to mean two different quantities i.e., spring constant and wave number, which cause the confusion.

The OP is unable to respond any longer, so this thread is closed. Thanks to all who posted for the good responses.

This subthread is getting off topic. Please don't speculate about another poster's motives. You are not the only one in this thread, and...

I'm not sure I see this implication, since the section that discusses this for curved spacetime (13.6) refers to Exercise 6.8 which...

No, that's not what I said. What I said is that, based on the multiple textbooks referenced in the Wikipedia article, standard usage in...

Um, what? If the jet is the source and it is moving past you, then you are moving relative to it.

Thread closed for moderation.