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Complex geometry is the study of complex manifolds, complex algebraic varieties, complex analytic spaces, and, by extension, of almost complex structures. It is a part of differential geometry, algebraic geometry and analytic geometry.

1 vote
0 answers
302 views

Submanifold of Kähler manifold is projective

Good time of day. I have the following question. $X$- is a compact Kähler manifold (it may be projective or not). And $Y\subset X$ a complex submanifold. Also there is a holomorphic two-form $\phi \in …
1 vote
0 answers
187 views

About blow-up of Hopf Surface in a point

Good time of day. I have the following question. $H$ - Hopf surface i.e. quotient $\mathbb{C}^2 \setminus \{ 0 \}$ by the action of $\mathbb Z$, where the action of $k\in \mathbb Z$ is given by $z \to …
1 vote
1 answer
334 views

Milnor hypersurface

I cross-post a question that has not been answered on MSE, see here. Consider the Milnor hypersurface $H_{ij}$, i.e., the smooth hypersufrace in $\mathbb CP^i \times \mathbb CP^j$ for fix pair of inte …