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Theory Reduction in Physics:A Model-Based,Dynamical Systems Approach
reduction theory reduction physics dynamical system emergence intertheory relations inter-theory relations Nagel limit
2016/6/15
In 1973, Nickles identified two senses in which the term `reduction' is used to describe the relationship between physical theories: namely, the sense based on Nagel's seminal account of reduction in ...
Spontaneous Symmetry Breaking in Quantum Systems:Emergence or Reduction?
Emergence More is Different Symmetry Breaking Earman's Principle
2016/6/14
Beginning with Anderson (1972), spontaneous symmetry breaking (SSB) in infinite quantum systems is often put forward as an example of (asymptotic) emergence in physics, since in theory no finite syste...
Reduction,Emergence and Renormalization
Ernest Nagel reduction emergence quantum field theory renormalization Dyson’s criterion renormalization group
2016/6/12
In previous work, I described several examples combining reduction and emergence: where reduction is understood a la Ernest Nagel, and emergence is understood as behaviour or properties that are novel...
Psycho-neural reduction through functional sub-types
causal properties functional reduction new wave reductionism
2009/6/18
The paper argues that a functional reduction of ordinary psychology to neuropsychology is possible by means of constructing fine-grained functional, mental sub-types that are coextensive with neuropsy...
This paper expounds the modern theory of symplectic reduction in finite-dimensional Hamiltonian mechanics. This theory generalizes the well-known connection between continuous symmetries and conserved...
Explanations are like salted peanuts. Why you can't cut the route toward further reduction.
explanation ideal text Batterman reduction
2008/4/22
This paper is a defense of an elaborated ideal explanatory text conception against criticism as put forward by Bob Batterman. It is argued that Batterman's critique of "philosophical" accounts of scie...
Two articles on the reduction of chemistry are examined. The first, by McLaughlin, claims that chemistry is reduced to physics and that there is no evidence for emergence or for downward causation bet...
This paper discusses the alleged reduction of Thermodynamics to Statistical Mechanics. It includes an historical discussion of J. Willard Gibbs' famous caution concerning the connections between therm...
I describe in this paper a solution to the Sleeping Beauty problem. I begin with the consensual emerald case and discuss then Bostrom's Incubator gedanken. I address then the Sleeping Beauty problem. ...
Testing Quantum State Reduction via Cosmogenic Neutrinos
Wavefunction Collapse Quantum State Reduction
2008/4/21
It is pointed out that the Diosi-Penrose ansatz for gravity-induced quantum state reduction
can be tested by observing oscillations in the flavor ratios of neutrinos originated at
cosmological dista...
Theory reduction by means of functional sub-types
reductionism theory reduction multiple realization
2008/4/21
The paper sets out a new strategy for theory reduction by means of functional sub-types. This strategy is intended to get around the multiple realization objection. We use Kim’s argument for token ide...
Two electrodynamics between plurality and reduction
electrodynamics reduction action at a distance
2008/4/21
Comparing action-at-a-distance electrodynamics in the tradition of Coulomb and Ampère with electromagnetic field theory of Faraday and Maxwell provides an example for a relation between theories, that...
Observations on Hyperplanes: I State Reduction and Unitary Evolution
state reduction unitary evolution hyperplane dependence
2008/4/15
This is the first of two papers responding (somewhat belatedly) to ‘recent’ commentary on various aspects of hyperplane dependence (HD) by several authors. In this paper I focus on the issues of the r...
Contracting Batterman's Asymptotic 'No-Man's Land:' Reduction Rejoins Explanation
Asymptotics Explanation and reduction
2008/4/11
The notion of emergence has received much renewed attention recently. Most of the authors I review (§ II), including most notably Robert Batterman (2002, 2003, 2004) share the common aim of providing ...
Emulation, Reduction, and Emergence in Dynamical Systems
Reduction emergence models structure of theories
2008/4/11
The received view about emergence and reduction is that they are incompatible categories. I argue in this paper that, contrary to the received view, emergence and reduction can hold together. To suppo...