A note on the foundation of relativistic mechanics. II: Covariant hamiltonian general relativity · HackerPapers discussions

A note on the foundation of relativistic mechanics. II: Covariant hamiltonian general relativity — mentioned by raattgift

Thu, 22 Nov 2018 04:39:39 GMT

As an aside to my earlier direct reply, these are foundations-of-physics issues. Most working physicists don't really care what are in the foundations, to the great annoyance of many philosophers. (Tim Maudlin comes instantly to mind.) But annoyed philosophers don't change the results from numerical relativity. In https://arxiv.org/abs/gr-qc/0202079v1 Rovelli wrote something striking that I'm glad this discussion took me to: "The very foundation of general covariant physics is the idea that the notion of a simultaneity surface all over the universe is devoid of physical meaning. Seems to me…

Paper and discussion history. A mention is not an endorsement.

A note on the foundation of relativistic mechanics. II: Covariant hamiltonian general relativity — mentioned by raattgift

Thu, 22 Nov 2018 03:50:57 GMT

I haven't read Rovelli's pop-sci book. Could you glance through the table of contents and/or the index and look for, among other things, "thermal time" and "time emerges in a world without time"? I would be astonished if he did not discuss these ideas at length in his book. > Rovelli's words from a book 23 years newer than your referenced article, seem to directly contradict what you're arguing Ok, let's deal with that. It's not like he stopped writing on the topic or substantially changed his position (rather than elucidating it). You can click on arXiv:1505.01125, arXiv:1407.3384, and…

Paper and discussion history. A mention is not an endorsement.