0
votes
1answer
155 views
Holomorphic objects associated with a compact complex manifold?
Good morning,
I'm just curious about the following. With a compact Kahler manifold, we can associate an Albanese torus. This helps us a lot study the manifold.
My question: Are …
3
votes
2answers
173 views
Automorphism group of a compact Kahler manifold
Good evening,
I would like to ask the following questions.
Let $X$ be a compact Kahler manifold. Denote by Aut(X) the group of all the biholomorphisms of $X.$
1) What can we s …
1
vote
0answers
94 views
Subadditivity of Kodaira dimension
Given an algebraic fiber space $X \to B$ where $X$ and $B$ are smooth projective varieties over $\mathbb{C}$, it is known that the Kodaira dimensions satisfy the following subaddit …
0
votes
0answers
92 views
Properties of the fibers of Albanese map?
Good afternoon,
I encounter the notion of Albanese map $alb$ from a compact Kahler manifold $X$ to its Albanese torus. I would like to know any properties of the fibers of this ma …
8
votes
3answers
609 views
Primitive Cohomology Useful?
In her book, after proving the hodge decomposition, Voisin spends time discussing primitive cohomology $H^r(X, \mathbb{C})_{prim} = \ker L^{n-r+1} \subset H^r(X, \mathbb{C})$ (wher …
11
votes
4answers
974 views
Weitzenböck Identities
I asked this question at Maths Stack Exchange, but I haven't received any replies yet (I'm not sure how long I should wait before it is acceptable to ask here, assuming there is su …
6
votes
1answer
277 views
Why the sectional curvatures assume maximum on holomorphic planes for positively curved Kaehler manifold?
Let $M$ be a Kaehler manifold with positive holomorphic sectional curvature. then the maximum of sectional curvatures at point $p$ is assumed at the holomorphic planes. I read this …
6
votes
2answers
271 views
Where do the Kähler Identities first appear?
The Kähler identities (sometimes known as the Hodge identities) are an important collection of relationships between operators on the exterior algebra of a Kähler manifold. These r …
3
votes
1answer
455 views
recognizing Kahler manifolds of complex dimension n
Is there new classification of Kahler manifolds of complex dimension n and new results for necessary and sufficient conditions for a manifold being Kahler? I know if redactivity of …
4
votes
1answer
345 views
complete or open Kähler manifold and simply connected
A complete or open Káhler manifold with positive definite Ricci
tensor is simply connected? is there any counterexample?
1
vote
1answer
491 views
the existence of compact Kahler manifolds satisfying some Hodge numbers' restrictions
Given any $n\geq 2$, is there an example of $n$-dimensional compact Kahler manifold such that its Hodge numbers satisfy $h^{1,1} = h^{2,2} < h^{3,3} = h^{4,4} < h^{5,5} = h^{ …
13
votes
2answers
451 views
Does equality of Laplacians imply Kähler?
This question follows on from this one.
Let $(X, \omega)$ be a Hermitian manifold and define the Laplacians $\Delta_{\partial} = \partial\partial^* + \partial^*\partial$ and $\De …
6
votes
2answers
325 views
Injective maps on cohomology and Kahler manifolds
Compact Kahler manifolds have the property that surjective maps induce injections on cohomology with coefficents in $\mathbb{Q}$ (That is, if $X,Y$ compact Kahler, then a surjectiv …
5
votes
2answers
397 views
Kahler manifolds with constant bisectional curvature
It is well known that the universal covering of a complete Kahler manifold with constant bisectional curvature is $\mathbb{C}^n$, $\mathbb{B}^n$ or $\mathbb{CP}^n$. I need original …
0
votes
0answers
159 views
Choosing a Kähler metric which restricts the norms of some forms
Let $X$ be a non-compact complex manifold of Kähler type (i.e. there exists a Kähler metric on $X$ but it hasn't been endowed with one). For each $i \in \mathbb{N}$, let $f_i$ be a …

