English

Composability in a certain family of entropies

Statistical Mechanics 2007-10-16 v2

Abstract

It is shown that the Tsallis entropies are the only entropies of the form H(P)=if(pi)H(P)=-\sum_i f(p_i), with suitable assumptions on ff, satisfying the condition of composability.

Keywords

Cite

@article{arxiv.0705.0739,
  title  = {Composability in a certain family of entropies},
  author = {Henrik Densing Petersen},
  journal= {arXiv preprint arXiv:0705.0739},
  year   = {2007}
}

Comments

7 pages, updated references and introduction / discussion sections. Main text remains unchanged