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physics.hist-ph2024★ 5 cited
GPS Observables in Newtonian Spacetime or Why We Do Not Need 'Physical' Coordinate Systems
Álvaro Mozota Frauca
Some authors have defended the claim that one needs to be able to define 'physical coordinate systems' and 'observables' in order to make sense of general relativity. Moreover, in…
physics.hist-ph2024
In Which Sense Can We Say That First-Class Constraints Generate Gauge Transformations?
Álvaro Mozota Frauca
In this paper, I consider a recent controversy about whether first-class constraints generate gauge transformations in the case of electromagnetism. I argue that there is a notion…