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[en] We study the effects of a viscous fluid coupled with dark matter in our universe. We consider bulk viscosity in the cosmic fluid and we assume the existence of a coupling between fluid and dark matter, in order to reproduce a stable de Sitter universe protected against future-time singularities. More general inhomogeneous fluids are studied related to future singularities. (orig.)
Journal
European Physical Journal. C; ISSN 1434-6044; 
; v. 69(3-4); p. 547-553
; v. 69(3-4); p. 547-553