When is a quantity additive, and when is it extensive?

The difference between the terms additivity and extensivity, as well as their respective negations, is critically analyzed and illustrated with a few examples. The concepts of subadditivity, pseudo-additivity, and pseudo-extensivity are also defined.

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Year of publication:	2002
Authors:	Touchette, Hugo
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 305.2002, 1, p. 84-88
Publisher:	Elsevier
Subject:	Additivity \| Extensivity \| Tsallis’ entropy

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

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