Frigg, Roman and Werndl, Charlotte (2011) Entropy - A Guide for the Perplexed. [Preprint]
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Abstract
Entropy is ubiquitous in physics, and it plays important roles in numerous other disciplines ranging from logic and statistics to biology and economics. However, a closer look reveals a complicated picture: entropy is defined differently in different contexts, and even within the same domain different notions of entropy are at work. Some of these are defined in terms of probabilities, others are not. The aim of this chapter is to arrive at an understanding of some of the most important notions of entropy and to clarify the relations between them, After setting the stage by introducing the thermodynamic entropy (Section 2), we discuss notions of entropy in information theory (Section 3), statistical mechanics (Section 4), dynamical systems theory (Section 5) and fractal geometry (Section 6).
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| Item Type: | Preprint | |||||||||
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| Additional Information: | In *Probabilities in Physics*, Oxford University Press | |||||||||
| Keywords: | entropy, probability, thermodynamics, statistical mechanics, dynamical systems theory, fractal geometry | |||||||||
| Subjects: | Specific Sciences > Complex Systems Specific Sciences > Mathematics Specific Sciences > Physics Specific Sciences > Probability/Statistics |
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| Depositing User: | Charlotte Werndl | |||||||||
| Date Deposited: | 07 May 2011 14:05 | |||||||||
| Last Modified: | 07 May 2011 14:05 | |||||||||
| Item ID: | 8592 | |||||||||
| Journal or Publication Title: | Probabilities in Physics | |||||||||
| Publisher: | Oxford University Press | |||||||||
| Subjects: | Specific Sciences > Complex Systems Specific Sciences > Mathematics Specific Sciences > Physics Specific Sciences > Probability/Statistics |
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| Date: | 2011 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/8592 |
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