of the Article:
Vedernikova Е.М. A theory of ethno-linguistic vitality: evolution and contemporary state. Sotsiologicheskie issledovaniya [Sociological Studies]. 2014. No 10. P. 91-97
30 year long evolution and factors of ethno-linguistic vitality conception are reviewed. A respective mathematical model is offered as well as characteristic of the present day state of the theory development. Key issues for the study of the given phenomenon are suggested.
objective ethno-linguistic vitality; subjective ethno-linguistic vitality; factors of ethnolinguistic vitality; inter-group relations; group’s strength; theory of stable linguistic development of ethno-linguistic group; mathematical model of ethno-linguistic vitality