TY - JOUR Y1 - 2013/// PB - Institute of Information Theory and Automation of the ASCR UR - http://www.kybernetika.cz/content/2013/1/96 KW - Keywords: copulas KW - semi-copulas KW - evolution of ageing and dependence KW - action of a semigroup. Classification: 62N05 KW - 60E15 KW - 37L05 SN - 0023-5954 JF - Kybernetika ID - eprints1431 A1 - Foschi, Rachele TI - Hyper-dependence, hyper-ageing properties and analogies between them: a semigroup-based approach N2 - In previous papers, evolution of dependence and ageing, for vectors of non-negative random variables, have been separately considered. Some analogies between the two evolutions emerge however in those studies. In the present paper, we propose a unified approach, based on semigroup arguments, explaining the origin of such analogies and relations among properties of stochastic dependence and ageing. IS - 1 VL - 49 EP - 113 AV - public SP - 96 ER -