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相关论文: Extremal metrics and K-stability (PhD thesis)

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We consider the moduli space of log smooth pairs formed by a cubic surface and an anticanonical divisor. We describe all compactifications of this moduli space which are constructed using Geometric Invariant Theory and the anticanonical…

代数几何 · 数学 2020-10-02 Patricio Gallardo , Jesus Martinez-Garcia

In this follow up work to [45, 33, 32, 46] we introduce and study a notion of geodesic stability restricted to rays with prescribed singularity types. A number of notions of interest fit into this framework, in particular algebraic- and…

微分几何 · 数学 2018-12-31 Zakarias Sjöström Dyrefelt

Let $X$ be a smooth polarized algebraic surface over the compex number field. We discuss the invariants obtained from the moduli stacks of semistable sheaves of arbitrary ranks on $X$. For that purpose, we construct the virtual fundamental…

代数几何 · 数学 2007-05-23 Takuro Mochizuki

In previous work, Darvas-George-Smith obtained inequalities between the large scale asymptotic of the $J$ functional with respect to the $d_1$ metric on the space of toric K\"ahler metrics/rays. In this work we prove sharpness of these…

微分几何 · 数学 2023-04-14 Sam Bachhuber , Aaron Benda , Benjamin Christophel , Tamás Darvas

Analytical tools to $K$-theory; namely, self-stabilization of rapidly decreasing matrices, linearization of cyclic loops, and the contractibility of the pointed stable Toeplitz algebra are discussed in terms of concrete formulas. Adaptation…

K理论与同调 · 数学 2013-05-31 Gyula Lakos

In this paper we investigate the existence of metrics with weighted constant scalar curvature (wcscK for short) on a compact K\"ahler manifold $X$: this notion include constant scalar curvature K\"ahler metrics, weighted solitons, Calabi's…

微分几何 · 数学 2026-01-14 Eleonora Di Nezza , Simon Jubert , Abdellah Lahdili

We establish the existence of complete K\"ahler metrics of semi-positive holomorphic sectional curvature with many zeroes in an interesting and natural geometric setting. Specifically, we use Calabi's Ansatz in the form due to Koiso-Sakane…

微分几何 · 数学 2023-08-25 Minzi Chen , Gordon Heier

We introduce a notion of Gieseker stability for a filtered holomorphic vector bundle $F$ over a projective manifold. We relate it to an analytic condition in terms of hermitian metrics on $F$ coming from a construction of the Geometric…

微分几何 · 数学 2007-05-23 Julien Keller

The asymptotic stability of several homological invariants of the graded pieces of a graded module has attracted quite a lot of attention over the last decades. We provide in this text several stability results together with estimates of…

交换代数 · 数学 2012-03-21 Marc Chardin , Jean-Pierre Jouanolou , Ahad Rahimi

We develop a variational calculus for a certain free energy functional on the space of all probability measures on a Kahler manifold X. This functional can be seen as a generalization of Mabuchi's K-energy functional and its twisted…

微分几何 · 数学 2012-11-14 Robert J. Berman

We show that a compact weighted extremal Kahler manifold (as defined by the third named author) has coercive weighted Mabuchi energy with respect to a maximal complex torus in the reduced group of complex automorphisms. This provides a vast…

微分几何 · 数学 2023-11-22 Vestislav Apostolov , Simon Jubert , Abdellah Lahdili

We established a Yau--Tian--Donaldson type correspondence, expressed in terms of a single Delzant polytope, concerning the existence of extremal K\"ahler metrics on a large class of toric fibrations, introduced by…

微分几何 · 数学 2022-05-27 Simon Jubert

This is a survey article with focus on the following problem. Given $f:X \to X$ a meromorphic endomorphism of some compact K\"ahler manifold $X$, construct and study - under natural numerical conditions - a canonical invariant probability…

复变函数 · 数学 2007-05-23 Vincent Guedj

Assume that a projective variety together with a polarization is uniformly K-stable. If the polarization is canonical or anti-canonical, then the projective variety is uniformly K-stable with respects to any polarization sufficiently close…

代数几何 · 数学 2017-09-26 Kento Fujita

We discuss about the denseness of the strong stable and unstable manifolds of partially hyperbolic diffeomorphisms. In this sense, we introduce a concept of m-minimality. More precisely, we say that a partially hyperbolic diffeomorphisms is…

动力系统 · 数学 2015-12-02 Alexander Arbieto , Thiago Catalan , Felipe Nobili

We prove a stability version of Harper's cube vertex isoperimetric inequality, showing that subsets of the cube with vertex boundary close to the minimum possible are close to (generalised) Hamming balls. Furthermore, we obtain a local…

组合数学 · 数学 2018-07-26 Peter Keevash , Eoin Long

In this paper, we prove that any polarized K-stable manifold is CM-stable. This extends what I did for Fano manifolds in my 2012 paper.

微分几何 · 数学 2014-09-30 Gang Tian

It is shown that any, possibly singular, Fano variety X admitting a Kahler-Einstein metric is K-polystable, thus confirming one direction of the Yau-Tian-Donaldson conjecture in the setting of Q-Fano varieties equipped with their…

微分几何 · 数学 2015-06-10 Robert J. Berman

Let (X,L) be a polarised manifold. We show that K-stability and asymptotic Chow stability of the blowup of X along a 0-dimensional cycle are closely related to Chow stability of the cycle itself, for polarizations making the exceptional…

代数几何 · 数学 2007-11-12 Jacopo Stoppa

Let X be a smooth projective Berkovich space over a complete discrete valuation field K of residue characteristic zero, endowed with an ample line bundle L. We introduce a general notion of (possibly singular) semipositive (or…

代数几何 · 数学 2014-01-22 S. Boucksom , C. Favre , M. Jonsson