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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,878 papers · 148 categories

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3876114152 · May 202619922001200920172026
48 results for Yau's theorem

New proof of Aubin-Yau theorem for complex non-Kähler manifolds.

problem Transversally Kähler foliations as a generalization of Kähler manifolds.
method Adapting classical Aubin-Yau methods to transversally Kähler case under homological orientability condition.
result New, simpler proof of Vaisman Aubin-Yau theorem.

The Wu-Yau theorem is verified for negative curvature, and new examples of Kähler-Einstein metrics are found.

problem The Wu-Yau theorem and its positive analog.
method Examples and conjectures to verify the Wu-Yau theorem and its positive analog.
result New examples of Kähler-Einstein metrics without negative holomorphic sectional curvature.

Two Calabi-Yau theorems for Kähler manifold degenerations.

problem Understanding degenerations of compact Kähler manifolds.
method Direct proof for big test configurations and broader class of degenerations in non-Archimedean Kähler geometry.
result Established a connection between big cohomology classes and their volumes.

Proves Calabi-Yau theorem for certain nonnegative curvature manifolds.

problem Proving a Calabi-Yau type theorem for specific manifolds.
method Existence result for bounded regions with weakly mean-concave boundary.
result Proves contractibility of certain manifolds with positive scalar curvature.

Holomorphic splitting theorem for Calabi-Yau manifolds with specific properties.

problem Constructing a complete Calabi-Yau metric on a manifold with a specific divisor.
method Solved Monge-Ampère equation on generalized ALG manifolds, used solution to prove holomorphic splitting theorem.
result Proved biholomorphic equivalence of a Calabi-Yau manifold to a product space.

The Wu-Yau theorem is proven for Sasakian manifolds with specific curvature conditions.

problem Proving properties of Sasakian manifolds with negative transverse holomorphic sectional curvature.
method Analyzing the curvature properties and applying the Wu-Yau theorem.
result Compact Sasakian manifolds with negative transverse holomorphic sectional curvature have negative transverse Ricci curvature.

In a recent preprint, Chi Li proved that aymptotically conical complex manifolds with regular tangent cone at infinity admit holomorphic compactifications (his result easily extends to the quasiregular case). In this short note, we show that if the open manifold is Calabi-Yau, then Chi Li's compactification is projecti…

2014-05-28abs ↗pdf ↗

The paper proves a Donaldson-Uhlenbeck-Yau theorem for normal varieties and semistable bundles.

problem Proving a Donaldson-Uhlenbeck-Yau theorem for normal varieties and semistable bundles.
method Analyzing degenerating families of projective normal varieties and studying the limiting behavior of semistable bundles.
result Improves several previously known algebro-geometric results on normalized tautological classes and proves a new version of the singular Donaldson-Uhlenbeck-Yau theorem.

Developing deformation theory for Calabi-Yau 3-folds with boundary.

problem Dealing with Calabi-Yau threefolds on manifolds with boundary.
method Deformation theory and local Torelli Theorem for compact manifolds.
result An analogue of Hitchin's local Torelli Theorem for Calabi-Yau 3-folds with boundary, modulo a finite dimensional obstruction space.

Extends positive mass theorem to arbitrary dimensions using a new inductive scheme.

problem Overcoming singularities in the Schoen-Yau proof for arbitrary dimensions.
method Inductive scheme combining shielding principle, conformal blow-up, and Cheeger-Naber bound.
result Proof of positive mass theorem in arbitrary dimensions.

In this note we give an overview of some applications of the Calabi-Yau theorem to the construction of singular positive (1,1) currents on compact complex manifolds. We show how recent developments allow us to give streamlined proofs of existing results, as well as new ones.

2015-05-08abs ↗pdf ↗

The paper classifies certain singular projective varieties with specific properties.

problem Classifying projective klt pairs with nef anti-log canonical divisors.
method Establishes a structure theorem using locally trivial rationally connected fibrations.
result Projective klt pairs can be decomposed into rationally connected and Calabi-Yau varieties.

The study confirms a conjecture about Kähler manifolds with quasi-negative curvature.

problem Confirming a long-standing conjecture about Kähler manifolds with quasi-negative curvature.
method Introducing (ε,δ)(\varepsilon,δ)--quasi-negativity and applying gap-type theorems.
result Obtained gap-type theorems for Xc1(KX)n>0\int_X c_1(K_X)^n>0 in terms of real bisectional curvature and weighted orthogonal Ricci curvature.

New proof of Donaldson-Uhlenbeck-Yau theorem using variational approach.

problem Proving Donaldson-Uhlenbeck-Yau theorem for slope stable holomorphic vector bundles.
method Variational approach, focusing on Bergman kernel asymptotics.
result Elementary proof of Donaldson-Uhlenbeck-Yau theorem with uniform coercivity.

This paper is a sequel to arXiv:1012.2940. We further investigate the Gromov-Hausdorff convergence of Ricci-flat Kähler metrics under degenerations of Calabi-Yau manifolds. We extend Theorem 1.1 in arXiv:1012.2940 by removing the condition on existence of crepant resolutions for Calabi-Yau varieties.

2012-06-16abs ↗pdf ↗

We prove that the Calabi-Yau equation can be solved on the Kodaira-Thurston manifold for all given T2T^2-invariant volume forms. This provides support for Donaldson's conjecture that Yau's theorem has an extension to symplectic four-manifolds with compatible but non-integrable almost complex structures.

2009-06-03abs ↗pdf ↗

We give an exposition of a theorem of Hirzebruch, Kodaira and Yau which proves the uniqueness of the Kahler structure of complex projective space, and of Yau's resolution of the Severi Conjecture.

2015-08-23abs ↗pdf ↗

We show that a compact Kahler manifold with nonpositive holomorphic sectional curvature has nef canonical bundle. If the holomorphic sectional curvature is negative then it follows that the canonical bundle is ample, confirming a conjecture of Yau. The key ingredient is the recent solution of this conjecture in the pro…

2015-06-03abs ↗pdf ↗

In this note, we investigate the well-known Yau rigidity theorem for minimal submanifolds in spheres. Using the parameter method of Yau and the DDVV inequality verified by Lu, Ge and Tang, we prove that if MM is an nn-dimensional oriented compact minimal submanifold in the unit sphere Sn+p(1)S^{n+p}(1), and if $K_{M}\geq\…

2011-02-28abs ↗pdf ↗

Solves Calabi-Yau equation on symplectic manifolds using measurable Kahler metrics.

problem Solving the Calabi-Yau equation on symplectic manifolds.
method Global deformation of almost complex structures compatible with symplectic form, constructing measurable Lipschitz Kahler metric.
result Existence theorem for solutions to the one-form type Calabi-Yau equation on closed symplectic manifolds.

We show existence of unique smooth solutions to the Monge-Ampere equation for (n-1)-plurisubharmonic functions on Hermitian manifolds, generalizing previous work of the authors. As a consequence we obtain Calabi-Yau theorems for Gauduchon and strongly Gauduchon metrics on a class of non-Kahler manifolds: those satisfyi…

2013-10-23abs ↗pdf ↗

Derives gradient estimate for a specific nonlinear parabolic equation on Finsler manifolds.

problem Derives gradient estimate for a nonlinear parabolic equation on Finsler manifolds.
method Leverages a new Laplacian comparison theorem to derive a Li-Yau type gradient estimate.
result Establishes a Li-Yau type gradient estimate for the Finslerian logarithmic Schrödinger equation.

We prove that a Kahler supermetric on a supermanifold with one complex fermionic dimension admits a super Ricci-flat supermetric if and only if the bosonic metric has vanishing scalar curvature. As a corollary, it follows that Yau's theorem does not hold for supermanifolds.

2004-08-25abs ↗pdf ↗

Proves existence of Kähler-Einstein metrics in big cohomology classes.

problem Existence of Kähler-Einstein metrics in big cohomology classes.
method Using a divisorial stability condition and Fujita-Odaka type delta invariants, building up from scratch the theory of pluripotential theory.
result Uniform Yau-Tian-Donaldson existence theorem for Kähler-Einstein metrics in the big cohomology class setting.

The study proves a Liouville theorem for certain asymptotically conical Calabi-Yau manifolds.

problem Characterizing complete Calabi-Yau manifolds with specific geometric properties.
method Analyzing Ricci-flat Kähler metrics on cones and their asymptotic conical structures.
result Liouville theorem holds for asymptotically conical Calabi-Yau manifolds.

The paper proves infinitely many free boundary minimal hypersurfaces in compact manifolds.

problem Existence of free boundary minimal hypersurfaces in compact Riemannian manifolds.
method Adaptations of A. Song's work and Marques-Neves' resolution to Yau's conjecture, combined with Li-Zhou's regularity theorem.
result Proves the existence of infinitely many almost properly embedded free boundary minimal hypersurfaces in compact manifolds.