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Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology.
1
vote
0
answers
407
views
Finite generation of canonical ring in Geometric PDE
We say that a projective variety $X$ is of general type if the Kodaira dimension is equal to the dimension of $X$., i.e. $\text{kod}(X)=\dim X$.
When $K_X$ is positive then by the result of S.T.Yau w …
9
votes
0
answers
291
views
Coarse moduli space of compact polarized Fano Kaehler-Einstein manifolds
Let $\mathcal X\to \mathcal S$, be a family of polarized
Kaehler manifolds with $\omega_s= Ric(\omega_s)$(i.e., fibers are Fano Kahler-Einstein manifolds). Then $dim Aut(X_s)=Const$.?
Is there any co …
11
votes
2
answers
709
views
Degeneration of Kaehler-Einstein metric of negative Ricci curvature
Let $π:X→Δ$ be a family of compact complex manifolds such that the fibre $X_t:=π^{−1}(t)$ admits a Kaehler-Einstein metric of negative Ricci curvature for all $t≠0$. Then does the special fiber $X_0:= …
11
votes
0
answers
295
views
Computing $h^1$ of dual of graph of central fibre of the degeneration of Kaehler-Einstein ma...
Consider a Kaehler degeneration $\mathcal X\to \Delta$ of smooth manifolds: Here $\Delta$ is the unit disc, $\pi$ a proper flat map, smooth over $\Delta^∗=\Delta−\{0\}$. The general fibres are $X_t=\ …
10
votes
1
answer
517
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Zariski open subset on family of Kaehler-Einstein manifolds
Let $\pi:\mathcal X\to B$ be a family of Kaehler manifolds then if we take $B'\subset B$ be the set of parameters such that $X_b$ admit Kaehler-Einstein metric(with zero, negative, or positive Ricci c …