ELEANOR MARCH
Published work
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A puzzle about covariance and gauge, (with James Owen Weatherall). Forthcoming in The British Journal for the Philosophy of Science. In which we argue that Yang-Mills theory is not generally covariant, and propose an explication of general covariance in terms of naturality/gauge naturality.
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Categorical equivalence and the kinematics-dynamics distinction. Forthcoming in The British Journal for the Philosophy of Science. In which I develop and motivate an extension to the categorical equivalence programme to the full space of kinematically possible models of a theory, beginning with a problem case from first-order logic discussed by Halvorson and co-authors.
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Are Maxwell gravitation and Newton-Cartan theory theoretically equivalent? Forthcoming in The British Journal for the Philosophy of Science. In which I discuss and clarify the relationship between Maxwell gravitation and Newton-Cartan theory, and argue that whether they are equivalent hinges on questions relating to the status of Newton's second law in Newton-Cartan theory and the kinematics-dynamics distinction.
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Reduction, sophistication, and equivalence in teleparallel gravity, (with Lu Chen and James Read). Forthcoming in The European Journal for the Philosophy of Science. In which we discuss the relationship between different formulations of teleparallel gravity.
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Many worlds or one: reply to Steeger. Synthese 205: 170 (2025). In which I respond to a recent argument by Steeger (2022) that Bohmians are able to help themselves to the Deutsch-Wallace derivation of Born rule chance values.
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A primer on Carroll gravity, (with James Read). Classical and Quantum Gravity 42 (5): 055004 (2025). In which we provide a philosophical introduction to the formalism of Carroll gravity and its status as a limit of general relativity, and discuss some of its conceptually-interesting features.
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Some remarks on recent approaches to torsionful non-relativistic gravity, (with William J. Wolf, James Read, and Nicholas J. Teh). Foundations of Physics 54: 75 (2024). In which we critically assess Meskhidze and Weatherall's (2023) discussion of torsion in the non-relativistic spacetime context.
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On the geometric trinity of gravity, non-relativistic limits, and Maxwell gravitation, (with William J. Wolf and James Read). Philosophy of Physics 2 (1): 15 (2024). In which we show that Maxwell gravitation is the common core of the non-relativistic geometric trinity of gravity.
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Is the Deutsch-Wallace theorem redundant? Philosophy of Physics 2 (1): 7 (2024). In which I address a recent wave of arguments that the Deutsch-Wallace theorem is redundant in Everettian quantum mechanics.
Preprints
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Natural theories (with James Owen Weatherall). In which we discuss the class of theories whose dynamics are given by natural equations, and show how naturality can be used to better understand a variety of questions related to, e.g., minimal coupling, the symmetries of theories, and well-posedness.
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"the logical sequence of his Principles": Understanding Du Châtelet on Newton's law of gravitation in the Principia. In which I reconstruct and compare the accounts of Newton's arguments for his law of gravitation given by Du Châtelet in chapter 15 of the Institutions de Physique (1740) and chapter 2 of the later commentary to her translation (1759).
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Points, curves, and hypersurfaces: Reassessing the historical geometric object concept. In which I discuss the early development of the geometric object concept, and show that geometers working on the programme in the 1920s and early 1930s had a more expansive conception of geometric objects than the modern one, which included embedded submanifolds such as points, curves, and hypersurfaces.
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Kinematical equivalence and cosmic conspiracies, (with Caspar Jacobs). In which we discuss the relationship between reduced and sophisticated theories, and show how kinematical categorical equivalence sheds light on the connections between (i) theoretical equivalence, (ii) so-called 'cosmic conspiracies', and (iii) the 'different explanatory structures' of reduced and sophisticated theories.
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What is the value in an intrinsic formalism? In which I critique a recent argument by Jacobs (2023) that only intrinsic formalisms are metaphysically perspicuous, and offer an alternative account, drawing on a distinction between which equations are physically meaningful within an extrinsic formalism and which are not.
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Non-relativistic twistor theory: Newtonian limits and gravitational collapse. In which I examine the non-relativistic twistor theory of Dunajski and Gundry (2016), and critically assess a recent proposal by Penrose and Dunajski (2023) about the role of non-relativistic twistor theory in solving the quantum measurement problem.
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On coordinate-based and coordinate-free approaches to Newtonian gravitation on Maxwellian spacetime. In which I clarify the relationship between the coordinate-free approaches to Maxwell gravitation of Dewar (2018), Chen (2023), and March (2023), and the coordinate-based approaches of Saunders (2013) and Wallace (2020).