Cosmology of multigravity

Abstract

We have constructed a nonlinear multi-graviton theory. An application of this theory to cosmology is discussed. We found that scale factors in a solution for this theory repeat acceleration and deceleration.

4 pages, 10 figures. Prepared for the proceedings of JGRG18 (Hiroshima, Japan, 17--21 November 2008). corrected version, references added