• Publications
  • Influence
Understanding Deutsch's probability in a deterministic multiverse
  • H. Greaves
  • Computer Science, Physics
  • 15 December 2003
TLDR
We can justify Everettian decision theory on the basis that an Everettian should *care about* all her future branches. Expand
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Justifying Conditionalization: Conditionalization Maximizes Expected Epistemic Utility
TLDR
We prove that, under independently motivated conditions, conditionalisation is the unique updating rule that maximizes expected epistemic utility. Expand
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Empirical Consequences of Symmetries
  • H. Greaves, D. Wallace
  • Physics, Mathematics
  • The British Journal for the Philosophy of Science
  • 18 November 2011
It is widely recognized that ‘global’ symmetries, such as the boost invariance of classical mechanics and special relativity, can give rise to direct empirical counterparts such as the Galileo-shipExpand
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Epistemic Decision Theory
I explore the prospects for modelling epistemic rationality (in the probabilist setting) via an epistemic decision theory, in a consequentialist spirit. Previous work has focused on cases in whichExpand
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Time Reversal in Classical Electromagnetism
Richard Feynman has claimed that anti-particles are nothing but particles ‘propagating backwards in time’; that time reversing a particle state always turns it into the corresponding anti-particleExpand
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On the Everettian Epistemic Problem
TLDR
Recent work in the Everett interpretation has suggested that the problem of probability can be solved by understanding probability in terms of rationality. Expand
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Everett and evidence
Much of the evidence for quantum mechanics is statistical in nature. Relative frequency data summarizing the results of repeated experiments is compared to probabilities calculated from the theory;Expand
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On the CPT theorem
Abstract We provide a careful development and rigorous proof of the CPT theorem within the framework of mainstream (Lagrangian) quantum field theory. This is in contrast to the usual rigorous proofsExpand
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In search of (spacetime) structuralism
Structuralism is supposed to be a dissolver of metaphysical pseudodebates. This paper is a search for the thesis behind the rhetoric. Taking ‘spacetime structuralism’ as a case study, I identify sixExpand
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Towards a Geometrical Understanding of the CPT Theorem
  • H. Greaves
  • Physics
  • The British Journal for the Philosophy of Science
  • 1 March 2010
The CPT theorem of quantum field theory states that any relativistic (Lorentz-invariant) quantum field theory must also be invariant under CPT, the composition of charge conjugation, parity reversalExpand
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