2 papers
math-ph2026
Weyl-type theorems in Galilei and Carroll geometry
Philip K. Schwartz, James Read, Quentin Vigneron
A classic theorem of Weyl (1921) states that a Weyl metric -- a natural generalisation of a pseudo-Riemannian metric -- is uniquely determined by its conformal and projective struc…
physics.hist-ph2025
Is spacetime curved? Assessing the underdetermination of general relativity and teleparallel gravity
Ruward Mulder, James Read
Realism about general relativity (GR) seems to imply realism about spacetime curvature. The existence of the teleparallel equivalent of general relativity (TEGR) calls this into qu…