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For questions about or involving complex manifolds.

4 votes
1 answer
442 views

Exotic $\mathbb{R}^4$ with a complex structure?

Is there an exotic $\mathbb{R}^4$ admitting an integrable almost complex structure?
Philip Engel's user avatar
  • 1,493
4 votes
1 answer
243 views

“Logarithmic” form of Kodaira Embedding

Suppose you have a non-compact complex manifold $X$ with a Hodge metric, whose associated Kahler form has integral cohomology class. In the compact case, one would be able to conclude that $X$ is proj …
Philip Engel's user avatar
  • 1,493
1 vote

Toroidal embedding

naf's comment is correct. This example can be seen as an instance of Mumford's construction of degenerations of abelian varieties into unions of toric varieties. Here is a "purely toric" construction …
Philip Engel's user avatar
  • 1,493
6 votes

Examples of non-Kähler compact complex manifolds which satisfy the Dolbeault isomorphism

I am slightly confused by Francesco's comment and answer, because the Frolicher spectral sequence does degenerate for compact complex surfaces. So why isn't a non-Kahler surface an example? Perhaps th …
Philip Engel's user avatar
  • 1,493