Group Structure as a Foundation for Entropies

Autor: Henrik Jeldtoft Jensen, Piergiulio Tempesta
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Entropy, Vol 26, Iss 3, p 266 (2024)
Druh dokumentu: article
ISSN: 1099-4300
DOI: 10.3390/e26030266
Popis: Entropy can signify different things. For instance, heat transfer in thermodynamics or a measure of information in data analysis. Many entropies have been introduced, and it can be difficult to ascertain their respective importance and merits. Here, we consider entropy in an abstract sense, as a functional on a probability space, and we review how being able to handle the trivial case of non-interacting systems, together with the subtle requirement of extensivity, allows for a systematic classification of the functional form.
Databáze: Directory of Open Access Journals
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