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Path Integrals in Quantum Mechanics

Jean Zinn-Justin

Published in print:
2004
Published Online:
January 2010
ISBN:
9780198566748
eISBN:
9780191717994
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198566748.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology, Theoretical, Computational, and Statistical Physics

Path integrals are mathematical objects that can be considered as generalizations to an infinite number of variables, represented by paths, of usual integrals. They share the algebraic properties of ... More


Many Worlds

Jeffrey Alan Barrett

in The Quantum Mechanics of Minds and Worlds

Published in print:
2001
Published Online:
March 2012
ISBN:
9780199247431
eISBN:
9780191697661
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199247431.003.0006
Subject:
Philosophy, Philosophy of Science, Metaphysics/Epistemology

This chapter explains the many-worlds interpretations, particularly the DeWitt–Graham interpretation — the splitting-worlds interpretation. The splitting-worlds theory proposes that one must choose ... More


Selecting A Branch

Jeffrey Alan Barrett

in The Quantum Mechanics of Minds and Worlds

Published in print:
2001
Published Online:
March 2012
ISBN:
9780199247431
eISBN:
9780191697661
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199247431.003.0005
Subject:
Philosophy, Philosophy of Science, Metaphysics/Epistemology

This chapter discusses how one might add a physical quantity to the usual quantum-mechanical state description in order to account for the determinate measurement records. It explains that the value ... More


Measuring Output and Productivity in Private Hospitals

Brian Chansky, Corby Garner, and Ronjoy Raichoudhary

in Measuring and Modeling Health Care Costs

Published in print:
2018
Published Online:
January 2019
ISBN:
9780226530857
eISBN:
9780226530994
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226530994.003.0006
Subject:
Economics and Finance, Econometrics

This paper presents initial research on measuring productivity growth in private hospitals from 1993 to 2010. Three measures of hospital productivity are developed based on different output concepts. ... More


A Nominalistic Treatment of Quantities, and a Preview of a Nominalistic Treatment of the Laws Involving Them

Hartry Field

in Science without Numbers

Published in print:
2016
Published Online:
December 2016
ISBN:
9780198777915
eISBN:
9780191823381
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198777915.003.0007
Subject:
Philosophy, Philosophy of Science, Logic/Philosophy of Mathematics

Discusses very briefly how scalar quantities like temperature are to be dealt with nominalistically. Also outlines the strategy that is to be used in the next chapter for dealing nominalistically ... More


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