%0 Journal Article %T Equivariant smooth Deligne cohomology %A Kiyonori Gomi %J Mathematics %D 2003 %I arXiv %X On the basis of Brylinski's work, we introduce a notion of equivariant smooth Deligne cohomology group, which is a generalization of both the ordinary smooth Deligne cohomology and the ordinary equivariant cohomology. Using the cohomology group, we classify equivariant circle bundles with connection, and equivariant gerbes with connection. %U http://arxiv.org/abs/math/0307373v1