Marco Bruni
GGI Florence, October 2006

Flat model, UDM with Affine EoS
§Simplest model: k=0, P=Po+ar;
2
parameters, like LCDM with k
§Reach dynamics: 4 cases, 2 standard and 2 phantom, independently
of field eqs. (gravity theory).
§Falsifiable, tight constraints
§Admits scalar field version