Perturbation Theory (Encyclopedia article)

Sage Publications

My encyclopedia entry Perturbation Theory (co-authored with Rob Corless) will soon appear in the Sage Encyclopedia of Theory.

Perturbation Theory
Nicolas Fillion
The Sage Encyclopedia of Theory, J. Mattingly (Ed.), Sage, forthcoming.

Additional information

Abstract: This article aims to explain essential elements of perturbation theory and their conceptual underpinnings. It is not meant as a summary of popular perturbation methods, though some illustrative examples are given to underline the main methodological insights and concerns.

Download the PDF of the paper.

Cite as (APA format):
Fillion, N. & Corless R.M. (forthcoming). Perturbation Theory, in: The Sage Encyclopedia of Theory, J. Mattingly (ed.), Sage.

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