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Laws, Symmetry, and Symmetry Breaking; Invariance, Conservation Principles, and Objectivity
symmetry invariance symmetry breaking
2008/4/22
Given its importance in modern physics, philosophers of science have paid surprisingly little attention to the subject of symmetries and invariances, and they have largely neglected the subtopic of sy...
We propose a conceptual framework for understanding the
relationship between observables and operators in mechanics. To do so, we introduce a postulate that establishes a correspondence between the o...
This paper examines some common measures of complexity, structure, and information, with an eye toward understanding the extent to which complexity or information-content may be regarded as objective ...
General Covariance and the Objectivity of Space-Time Point-Events
Hole Argument Space-time Objectivity Physical Individuation
2008/4/14
"The last remnant of physical objectivity of space-time"is disclosed, beyond the Leibniz equivalence, in the case of a continuous family of spatially non-compact models of general relativity. The "phy...
Ephemeral Point-Events: Is There a Last Remnant of Physical Objectivity ?
Hole Argument Indeterminism Leibniz equivalence
2008/4/11
For the past two decades, Einstein's Hole Argument (which deals with the apparent indeterminateness of general relativity due to the general covariance of the field equations) and its resolution in t...
The purpose of the paper is to explore different aspects of the covariance of (mostly) non-relativistic quantum mechanics. First, doubts are expressed concerning the claim that gauge fields can be 'ge...