Abstract
Harmonic functions are studied on complete Riemannian manifolds. A decay estimate is given for bounded harmonic functions of variable sign. For unbounded harmonic functions of variable sign, relations are derived between growth properties and nodal domains. On Riemannian manifolds of nonnegative Ricci curvature, it has been conjectured that harmonic functions, having at most a given order of polynomial growth, must form a finite dimensional vector space. This conjecture is established in certain special cases.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 79-93 |
| Number of pages | 15 |
| Journal | The Journal of Geometric Analysis |
| Volume | 2 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1992 |
All Science Journal Classification (ASJC) codes
- Geometry and Topology
Keywords
- Harmonic functions
- Math Subject Classification: 58G99
- Riemannian manifolds
- nodal domains
- nonnegative Ricci curvature
- polynomial growth