TY - JOUR AU - Jensen, Henrik Jeldtoft AU - Tempesta, Piergiulio PY - 2018 DO - 10.3390/e20100804 SN - 1099-4300 UR - https://hdl.handle.net/20.500.14352/12966 T2 - Entropy AB - The entropy of Boltzmann-Gibbs, as proved by Shannon and Khinchin, is based on four axioms, where the fourth one concerns additivity. The group theoretic entropies make use of formal group theory to replace this axiom with a more general composability... LA - eng PB - MDPI KW - Statistical-mechanics KW - Zeta-functions KW - Formal group KW - Generalised entropies KW - Formal groups KW - Phase space growth rate TI - Group entropies: from phase space geometry to entropy functionals via Group Theory TY - journal article VL - 20 ER -