The tangent space and the metric tensor field are used in GR. I fail to see how your comments relate to the possibly ambiguous concept of the latter. The metric tensor field seems ambiguously defined. AG
On Tuesday, September 3, 2024 at 2:31:50 PM UTC-6 John Clark wrote: > On Tue, Sep 3, 2024 at 3:58 PM Alan Grayson <[email protected]> wrote: > > *> I don't think you understand the issue. Velocities greater than c in >> the underlying spacetime manifold are allowed in the construction of the >> tangent plane,* > > > I don't think you understand that the things that mathematics allows and > the things that the laws of physics allow are not necessarily the same > thing. Mathematics allows for the existence of Newtonian physics, and > Newton allows objects to travel much faster than the speed of light, but > Einstein taught us that the laws of physics forbid it. > > Nearly all new theories in physics are mathematically consistent, but > nearly all new theories in physics are also eventually proven to be wrong. > > John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > wpb > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/043045c9-3862-4591-9163-15acbf94320bn%40googlegroups.com.
