J. Korean Math. Soc. 2002; 39(5): 731-743
Printed September 1, 2002
Copyright © The Korean Mathematical Society.
Dong Pyo Chi, Gundon Choi, and Jeongwook Chang
Seoul National University, Seoul National University, Korea Advanced Institute of Science and Technology
Let $M$ be a Riemannian manifold with asymptotically non-negative curvature. We study the asymptotic behavior of the energy densities of a harmonic map and an exponentially harmonic function on $M$. We prove that the energy density of a bounded harmonic map vanishes at infinity when the target is a Cartan-Hadamard manifold. Also we prove that the energy density of a bounded exponentially harmonic function vanishes at infinity.
Keywords: harmonic maps, Bochner type formula, Liouville theorem, Hessian comparison theorem
MSC numbers: 53C43, 58E20
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