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Questions about Kähler manifolds and Kähler metrics.

2 votes

Extension of strictly plurisubharmonic functions on a Kähler manifold

If a complex manifold has a strictly plurisubharmonic function then it cannot contain positive dimensional compact analytic sets.This is clearly a necessary condition.So you might start considering yo …
Mohan Ramachandran's user avatar
21 votes
Accepted

Does a Kähler manifold always admit a complete Kähler metric?

Grauert proved that a relatively compact domain with real analytic boundary in C^n has a complete Kahler metric iff the boundary is pseudoconvex .For any relatively compact domain in C^n which is the …
Mohan Ramachandran's user avatar
4 votes

Does there exists a complete Kahler metric with positive scalar curvature on Poincare disk?

The answer to your question is no.In case of surfaces the scalar curvature and Ricci curvature coincide with Gauss curvature. If an n dimensional M had a complete Riemannian metric h with nonnegative …
Mohan Ramachandran's user avatar
27 votes
Accepted

Does every group arise as the fundamental group of a complete Kähler manifold?

Any Stein manifold admits a complete Kähler metric. Start with a connected real analytic manifold with the given fundamental group. A suitable tubular neighbourhood of the complexification will be St …
Mohan Ramachandran's user avatar