Department of Mathematics, College of Natural Sciences, Chonnam National University, Kwangju, 500-757, Korea ; Department of Mathematics, College of Natural Sciences, Kyungpook National University, Taegu, 702-701, Korea
Abstract:
We study Einstein warped product spaces. As a result, we prove the following: if is an Einstein warped product space with nonpositive scalar curvature and compact base, then is simply a Riemannian product space.