A uniform hypergraph H is corresponding to an adjacency tensor
AHβ. We define an Estrada index of H by using
all the eigenvalues Ξ»1β,β¦,Ξ»kβ of AHβ as
βi=1kβeΞ»iβ. The bounds for the Estrada indices of uniform
hypergraphs are given. And we characterize the Estrada indices of m-uniform
hypergraphs whose spectra of the adjacency tensors are m-symmetric.
Specially, we characterize the Estrada indices of uniform hyperstars