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We establish a version of a statement attributed to Kazhdan by Yau. As a corollary, we obtain a more transparent form of our uniformization theorem in complex algebraic geometry.

Algebraic Geometry · Mathematics 2011-10-04 Robert Treger

We prove a priori estimates for a class of transverse fully nonlinear equations on Sasakian manifolds and give some geometric applications such as the transversion Calabi-Yau theorem for transverse balanced and (strongly) Gauduchon metrics.…

Differential Geometry · Mathematics 2019-10-04 Ke Feng , Tao Zheng

This paper is a survey of some recent progress on the study of Calabi's extremal K\"ahler metrics. We first discuss the Yau-Tian-Donaldson conjecture relating the existence of extremal metrics to an algebro-geometric stability notion and we…

Differential Geometry · Mathematics 2014-05-20 Gábor Székelyhidi

In this paper, we prove the Yau-Tian-Donaldson conjecture of the filtration version for toric manifolds and homogeneous toric bundles.

Algebraic Geometry · Mathematics 2021-10-19 An-Min Li , Zhao Lian , Li Sheng

We give a Hodge-theoretic criterion for a Calabi--Yau variety to have finite Weil--Petersson distance on higher dimensional bases up to a set of codimension $\geq 2$. The main tool is variation of Hodge structures and variation of mixed…

Algebraic Geometry · Mathematics 2016-04-26 Tsung-Ju Lee

The canonical equations of the optical cloaking proposed by Shurig, Pendry and Smith has been proved to be equivalent to the geodesic in a 3-dimensional curved space. Carrying out the argument we extend to the 4-dimensional Riemannian space…

Optics · Physics 2015-05-13 Kai Niu , Ci Song , Mo-Lin Ge

This is a double exposure of the probabilistic construction of Kahler-Einstein metrics on a complex projective algebraic variety X - where the Kahler-Einstein metric emerges from a canonical random point process on X - and the variational…

Differential Geometry · Mathematics 2021-09-02 Robert J. Berman

We prove an analogue of the Donaldson-Uhlenbeck-Yau theorem for asymptotically cylindrical K\"ahler manifolds: If $\mathscr{E}$ is a reflexive sheaf over an ACyl K\"ahler manifold, which is asymptotic to a $\mu$-stable holomorphic vector…

Differential Geometry · Mathematics 2021-03-16 Adam Jacob , Thomas Walpuski

In this article, the ray tracing method is studied beyond the classical geometrical theory. The trajectories are here regarded as geodesics in a Riemannian manifold, whose metric and topological properties are those induced by the…

Mathematical Physics · Physics 2013-07-24 Enrico De Micheli , Giovanni Alberto Viano

We introduce new p-adic convergent functions, which we call the p-adic hypergeometric functions of logarithmic type. The first main result is to prove the congruence relations that are similar to Dwork's. The second main result is that the…

Algebraic Geometry · Mathematics 2023-07-19 Masanori Asakura

We survey the theory of K\"ahler-Einstein metrics, with particular focus on the circle of ideas surrounding the Yau-Tian-Donaldson conjecture for Fano manifolds.

Differential Geometry · Mathematics 2017-10-18 Gábor Székelyhidi

Inspired Yau's work (Comm. Anal. Geom., 1994), in this short note we provide a new version of Li-Yau gradient estimate for the linear heat equation, which generalizes some known results and gives new gradient estimates. Also we explain the…

Differential Geometry · Mathematics 2021-05-11 Bin Qian

We conjecture an equivalence between the Gromov-Witten theory of 3-folds and the holomorphic Chern-Simons theory of Donaldson-Thomas. For Calabi-Yau 3-folds, the equivalence is defined by the change of variables, exp(iu)=-q, where u is the…

Algebraic Geometry · Mathematics 2007-05-23 D. Maulik , N. Nekrasov , A. Okounkov , R. Pandharipande

Using quantization techniques, we show that the $\delta$-invariant of Fujita-Odaka coincides with the optimal exponent in certain Moser-Trudinger type inequality. Consequently we obtain a uniform Yau-Tian-Donaldson theorem for the existence…

Differential Geometry · Mathematics 2023-12-04 Kewei Zhang

Let $(M,g)$ be a simple Riemannian manifold with boundary and consider the geodesic ray transform of symmetric 2-tensor fields. Let the integral of $f$ along maximal geodesics vanish on an appropriate open subset of the space of geodesics…

Differential Geometry · Mathematics 2008-03-21 Venky Krishnan , Plamen Stefanov

We consider the dimensional reduction of supersymmetric Yang-Mills on a Calabi-Yau 3-fold. We show by construction how the resulting cohomological theory is related to the balanced field theory of the Kaehler Yang-Mills equations introduced…

High Energy Physics - Theory · Physics 2009-09-11 J. M. Figueroa-O'Farrill , A. Imaanpur , J. McCarthy

In this paper we study the relationship between three compactifications of the moduli space of Hermitian-Yang-Mills connections on a fixed Hermitian vector bundle over a projective algebraic manifold of arbitrary dimension. Via the…

Differential Geometry · Mathematics 2021-07-21 Daniel Greb , Benjamin Sibley , Matei Toma , Richard Wentworth

We formulate an effective variant of the Yau-Tian-Donaldson conjecture, then review effective results on K-stability of spherical varieties, that is, K-stability criterions which can be effectively computed given the combinatorial data…

Algebraic Geometry · Mathematics 2025-09-11 Thibaut Delcroix

We establish the essentially optimal form of Donaldson's geodesic stability conjecture regarding existence of constant scalar curvature K\"ahler metrics. We carry this out by exploring in detail the metric geometry of Mabuchi geodesic rays,…

Differential Geometry · Mathematics 2020-11-18 Tamás Darvas , Chinh H. Lu

For smooth test configurations, there always exist C^{1,1} geodesic rays in Kahler metric space parallel to the algebraic ray. The $\yen$ invariant agrees with Futaki invariant, at least under nice assumptions. Explicit examples in Toric…

Differential Geometry · Mathematics 2007-07-30 Xiuxiong Chen , Yudong Tang