# Time and Structure in Canonical Gravity

Rickles, Dean (2004) Time and Structure in Canonical Gravity. [Preprint]

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## Abstract

In this paper I wish to make some headway on understanding what \emph{kind} of problem the problem of time'' is, and offer a possible resolution---or, rather, a new way of understanding an old resolution. The response I give is a variation on a theme of Rovelli's \emph{evolving constants of motion} strategy (more generally: correlation strategies). I argue that by giving correlation strategies a \emph{structuralist} basis, a number of objections to the standard account can be blunted. Moreover, I show that the account I offer provides a suitable ontology for time (and space) in both classical and quantum canonical general relativity.

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Item Type: Preprint Expanded version of a paper to appear in S. French, D. Rickles, and J. Saatsi (eds.), The Structural Foundations of Quantum Gravity'' (forthcoming: Oxford University Press). Quantum gravity, structural realism, spacetime, general relativity Specific Sciences > Physics > CosmologySpecific Sciences > Physics > Relativity TheoryGeneral Issues > Realism/Anti-realismSpecific Sciences > Physics > Quantum Field Theory Dean Rickles 22 Jul 2004 07 Oct 2010 11:12 1845 http://philsci-archive.pitt.edu/id/eprint/1845