[PhilPhys] Warsaw Spacetime Colloquium: Elise Crull (7 January on Zoom)

[Antonio Vassallo]

(With apologies for cross-posting)

On Friday, 7 January, Elise Crull (City University of New York) will give a
talk titled "You're a Good Man, Harvey Brown: Quantum Rods & Clocks from
Decoherence" (abstract below).

The meeting will be online on Zoom (17:00-19:00 CET). If you have not
registered yet, you can do so here <https://forms.gle/qpb8vVjtrF4y2nZ76>.

The Colloquium is organized by the Philosophy of Physics Group
<https://ans.pw.edu.pl/Nauka/Zespoly-badawcze/Philosophy-of-Physics-Group>
at the Faculty of Administration and Social Sciences, Warsaw University of
Technology. The program for the winter semester can be found here
<https://ans.pw.edu.pl/Nauka/Zespoly-badawcze/Philosophy-of-Physics-Group/Events/Warsaw-Spacetime-Colloquium-2021-2022-online>.
The videos of the previous meetings are available on YouTube
<https://www.youtube.com/playlist?list=PLM-1yNCyvJJC0KUgEqXTsFA38luoSiqXo>.

You can address any inquiry to antonio.vassallo at pw.edu.pl.

ABSTRACT
Harvey Brown's 2005 book *Physical Relativity* calls for the development of
a constructive-theoretic (as opposed to principle-theoretic) interpretation
of relativity: in short, for a quantum-dynamical description of rods and
clocks. Significant issues, however, stand in the way of this project. For
one, such an interpretation of GR will require carrying over the Strong
Equivalence Principle from SR, and this is not trivial. For another, a
quantum-dynamical GR is clearly in tension with the fact that the fields in
Einstein's field equations are classical.
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