Tsujikawa, Phys. Rev. D 77, 023507 (2008)

C. Relations between the model parameters and the propertyof the finite-time future singularities・・・・ñ cø cf s and û characterize the theory ofnon-local gravity.h sq, t s and specify the property ofthe finite-time future singularity.and determine a leading-order solution in terms offor the gravitational field equations in the flat FLRW space-time.When ,for ,for , ,for and ,No. 59,H ú effú sfor , asymptotically becomes finite and alsoasymptotically approaches a finite constant value .for , →∞,